Csharp/C Sharp by API/System.Windows.Forms/Button
Содержание
Button.Anchor
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms;
class TwoButtonsAnchor: Form {
public static void Main() { Application.Run(new TwoButtonsAnchor()); } public TwoButtonsAnchor() { ResizeRedraw = true; int cxBtn = 5 * Font.Height; int cyBtn = 2 * Font.Height; int dxBtn = Font.Height; Button btn = new Button(); btn.Parent = this; btn.Text = "&Larger"; btn.Location = new Point(dxBtn, dxBtn); btn.Size = new Size(cxBtn, cyBtn); btn.Click += new EventHandler(ButtonLargerOnClick); btn = new Button(); btn.Parent = this; btn.Text = "&Smaller"; btn.Location = new Point(ClientSize.Width - cxBtn - dxBtn, ClientSize.Height - cyBtn - dxBtn); btn.Size = new Size(cxBtn, cyBtn); btn.Anchor = AnchorStyles.Right | AnchorStyles.Bottom; btn.Click += new EventHandler(ButtonSmallerOnClick); } void ButtonLargerOnClick(object obj, EventArgs ea) { Console.WriteLine("large"); } void ButtonSmallerOnClick(object obj, EventArgs ea) { Console.WriteLine("small"); }
}
</source>
Button.Click
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class BaseForm : System.Windows.Forms.Form {
private Button btnClose; private Button btnApp; protected Label lbl; public BaseForm() { btnClose = new Button(); btnClose.Location = new Point(25,100); btnClose.Size = new Size(100,25); btnClose.Text = "&Close"; btnClose.Click += new System.EventHandler(btnClose_Click); btnApp = new Button(); btnApp.Location = new Point(200,100); btnApp.Size = new Size(150,25); btnApp.Text = "&Base Application"; btnApp.Click += new System.EventHandler(btnApp_Click); lbl = new Label(); lbl.Location = new Point(25,25); lbl.Size = new Size(100,25); lbl.Text = "This label on BaseForm"; Controls.AddRange(new Control[]{lbl, btnClose, btnApp}); } static void Main() { Application.Run(new BaseForm()); } private void btnClose_Click(object sender, EventArgs e) { Application.Exit(); } private void btnApp_Click(object sender, EventArgs e) { MessageBox.Show("This is the Base application."); SomeMethod(); } protected virtual void SomeMethod() { MessageBox.Show("This is SomeMethod called from BaseForm."); }
} public class InheritedForm : BaseForm {
private Button btn; public InheritedForm() { btn = new Button(); btn.Location = new Point(25,150); btn.Size = new Size(125,25); btn.Text = "C&lose on Inherited"; btn.Click += new System.EventHandler(btn_Click); Controls.Add(btn); lbl.Text = "Now from InheritedForm"; BackColor = Color.LightBlue; } static void Main() { Application.Run(new InheritedForm()); } private void btn_Click(object sender, EventArgs e) { Application.Exit(); } protected override void SomeMethod() { MessageBox.Show("This is the overridden SomeMethod called " + "from InheritedForm."); }
}
</source>
Button.DialogResult
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class SimplerDialog: Form {
public static void Main() { Application.Run(new SimplerDialog()); } public SimplerDialog() { Text = "Simpler Dialog"; Menu = new MainMenu(); Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick)); } void MenuOnClick(object obj, EventArgs ea) { SimplerDialogBox dlg = new SimplerDialogBox(); DialogResult dr = dlg.ShowDialog(); Console.WriteLine(dr); }
} class SimplerDialogBox: Form {
public SimplerDialogBox() { Text = "Simpler Dialog Box"; FormBorderStyle = FormBorderStyle.FixedDialog; ControlBox = false; MaximizeBox = false; MinimizeBox = false; ShowInTaskbar = false; Button btn = new Button(); btn.Parent = this; btn.Text = "OK"; btn.Location = new Point(50, 50); btn.Size = new Size (10 * Font.Height, 2 * Font.Height); btn.DialogResult = DialogResult.OK; btn = new Button(); btn.Parent = this; btn.Text = "Cancel"; btn.Location = new Point(50, 100); btn.Size = new Size (10 * Font.Height, 2 * Font.Height); btn.DialogResult = DialogResult.Cancel; }
}
</source>
Button.Dock
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class TwoButtonsDock: Form {
public static void Main() { Application.Run(new TwoButtonsDock()); } public TwoButtonsDock() { ResizeRedraw = true; Button btn = new Button(); btn.Parent = this; btn.Text = "&Larger"; btn.Height = 2 * Font.Height; btn.Dock = DockStyle.Top; btn.Click += new EventHandler(ButtonLargerOnClick); btn = new Button(); btn.Parent = this; btn.Text = "&Smaller"; btn.Height = 2 * Font.Height; btn.Dock = DockStyle.Bottom; btn.Click += new EventHandler(ButtonSmallerOnClick); } void ButtonLargerOnClick(object obj, EventArgs ea) { Console.WriteLine("large"); } void ButtonSmallerOnClick(object obj, EventArgs ea) { Console.WriteLine("small"); }
}
</source>
Button.FlatStyle
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class ButtonStyles: Form {
public static void Main() { Application.Run(new ButtonStyles()); } public ButtonStyles() { int y = 0; foreach (FlatStyle fs in Enum.GetValues(typeof(FlatStyle))) { Button btn = new Button(); btn.Parent = this; btn.FlatStyle = fs; btn.Text = fs.ToString(); btn.Location = new Point(50, y += 50); } }
}
</source>
Button.Font
<source lang="csharp">
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class ButtonForm : System.Windows.Forms.Form { private System.Windows.Forms.Button btnImage; private System.Windows.Forms.Button btnStandard; private System.Windows.Forms.Button btnPopup; private System.Windows.Forms.Button btnFlat; // Hold the current text alignment ContentAlignment currAlignment = ContentAlignment.MiddleCenter; int currEnumPos = 0; public ButtonForm() { InitializeComponent(); // Set btnStandard as default accept. this.AcceptButton = btnStandard; CenterToScreen(); } private void InitializeComponent() { this.btnStandard = new System.Windows.Forms.Button(); this.btnFlat = new System.Windows.Forms.Button(); this.btnImage = new System.Windows.Forms.Button(); this.btnPopup = new System.Windows.Forms.Button(); this.SuspendLayout(); // // btnStandard // this.btnStandard.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F); this.btnStandard.ForeColor = System.Drawing.SystemColors.ControlText; this.btnStandard.Location = new System.Drawing.Point(16, 80); this.btnStandard.Name = "btnStandard"; this.btnStandard.Size = new System.Drawing.Size(312, 88); this.btnStandard.TabIndex = 2; this.btnStandard.Text = "I am a standard button"; this.btnStandard.Click += new System.EventHandler(this.btnStandard_Click); // // btnFlat // this.btnFlat.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.btnFlat.ForeColor = System.Drawing.Color.Blue; this.btnFlat.Location = new System.Drawing.Point(16, 24); this.btnFlat.Name = "btnFlat"; this.btnFlat.Size = new System.Drawing.Size(152, 32); this.btnFlat.TabIndex = 0; this.btnFlat.Text = "I am flat..."; // // btnImage // this.btnImage.Font = new System.Drawing.Font("Microsoft Sans Serif", 20F, System.Drawing.FontStyle.Bold); this.btnImage.Image = new Bitmap("winter.jpg"); this.btnImage.Location = new System.Drawing.Point(16, 192); this.btnImage.Name = "btnImage"; this.btnImage.Size = new System.Drawing.Size(312, 72); this.btnImage.TabIndex = 3; this.btnImage.Text = "Image Button"; this.btnImage.TextAlign = System.Drawing.ContentAlignment.TopCenter; // // btnPopup // this.btnPopup.FlatStyle = System.Windows.Forms.FlatStyle.Popup; this.btnPopup.ForeColor = System.Drawing.SystemColors.ControlText; this.btnPopup.Location = new System.Drawing.Point(176, 24); this.btnPopup.Name = "btnPopup"; this.btnPopup.Size = new System.Drawing.Size(152, 32); this.btnPopup.TabIndex = 1; this.btnPopup.Text = "I am a Popup!"; // // ButtonForm // this.AcceptButton = this.btnStandard; this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(340, 269); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.btnImage, this.btnStandard, this.btnPopup, this.btnFlat}); this.ForeColor = System.Drawing.SystemColors.ActiveCaptionText; this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D; this.Name = "ButtonForm"; this.Text = "Buttons"; this.ResumeLayout(false); } protected void btnStandard_Click (object sender, System.EventArgs e) { Array values = Enum.GetValues(currAlignment.GetType()); currEnumPos++; if(currEnumPos >= values.Length) currEnumPos = 0; currAlignment = (ContentAlignment)ContentAlignment.Parse(currAlignment.GetType(), values.GetValue(currEnumPos).ToString()); btnStandard.TextAlign = currAlignment; btnStandard.Text = currAlignment.ToString(); } public static void Main(string[] args) { Application.Run(new ButtonForm()); } } </source>
Button.Image
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class BitmapButtons: Form {
int cxBtn, cyBtn, dxBtn; Button btnLarger, btnSmaller; public static void Main() { Application.Run(new BitmapButtons()); } public BitmapButtons() { ResizeRedraw = true; dxBtn = Font.Height; btnLarger = new Button(); btnLarger.Parent = this; btnLarger.Image = new Bitmap(GetType(), "LargerButton.bmp") ; cxBtn = btnLarger.Image.Width + 8; cyBtn = btnLarger.Image.Height + 8; btnLarger.Size = new Size(cxBtn, cyBtn); btnLarger.Click += new EventHandler(ButtonLargerOnClick); btnSmaller = new Button(); btnSmaller.Parent = this; btnSmaller.Image = new Bitmap(GetType(), "SmallerButton.bmp"); btnSmaller.Size = new Size(cxBtn, cyBtn); btnSmaller.Click += new EventHandler(ButtonSmallerOnClick); OnResize(EventArgs.Empty); } protected override void OnResize(EventArgs ea) { base.OnResize(ea); btnLarger.Location = new Point(ClientSize.Width / 2 - cxBtn - dxBtn / 2, (ClientSize.Height - cyBtn) / 2); btnSmaller.Location = new Point(ClientSize.Width / 2 + dxBtn / 2, (ClientSize.Height - cyBtn) / 2); } void ButtonLargerOnClick(object obj, EventArgs ea) { Left = 50; Top = 50; Width = 50; Height = 50; } void ButtonSmallerOnClick(object obj, EventArgs ea) { Left = 200; Top = 200; Width = 20; Height = 20; }
}
</source>
Button.Location
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class ControlDynamicSizeLocation : Form {
private Button btnShow = new Button(); private Label lbl = new Label(); int xButtonSize, yButtonSize; public ControlDynamicSizeLocation() { btnShow.Parent = this; btnShow.Text = "Show Button Properties"; Size = new Size(400,400); xButtonSize = (int)(Font.Height * .75) * btnShow.Text.Length; yButtonSize = Font.Height * 2; btnShow.Size = new Size(xButtonSize, yButtonSize); btnShow.Click += new System.EventHandler(btnShow_Click); lbl.Text = "Control Size and Location - Dynamic"; lbl.AutoSize = true; lbl.Parent = this; OnResize(EventArgs.Empty); } protected override void OnResize(EventArgs e) { base.OnResize(e); int xPosition = (int)(this.ClientSize.Width / 2) - (int)(xButtonSize / 2); int yPosition = (int)(this.ClientSize.Height / 2) - (int)(yButtonSize / 2); btnShow.Location = new Point(xPosition, yPosition); } static void Main() { Application.Run(new ControlDynamicSizeLocation()); } private void btnShow_Click(object sender, EventArgs e) { Console.WriteLine("Button Bottom:" + btnShow.Bottom.ToString()); Console.WriteLine("Button Top:" + btnShow.Top.ToString() ); Console.WriteLine("Button Left:" + btnShow.Left.ToString() ); Console.WriteLine("Button Right:" + btnShow.Right.ToString() ); Console.WriteLine("Button Location:" + btnShow.Location.ToString() ); Console.WriteLine("Button Width:" + btnShow.Width.ToString() ); Console.WriteLine("Button Height:" + btnShow.Height.ToString() ); Console.WriteLine("Button Size:" + btnShow.Size.ToString() ); Console.WriteLine("Button ClientSize:" + btnShow.ClientSize.ToString() ); Console.WriteLine("Font:" + btnShow.Font.ToString()); }
}
</source>
Button.MouseDown
<source lang="csharp">
using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {
private System.Windows.Forms.GroupBox GroupBox1; private System.Windows.Forms.Label Label4; private System.Windows.Forms.Label Label1; private System.Windows.Forms.PictureBox pic; private System.Windows.Forms.TextBox txt; private System.Windows.Forms.Button cmd; private System.Windows.Forms.Label Label2; private System.Windows.Forms.Label Label3; private System.Windows.Forms.ListBox eventLogList; public Form1() { InitializeComponent(); } private void Log(String data) { eventLogList.Items.Add(data); int itemsPerPage = (int)(eventLogList.Height / eventLogList.ItemHeight); eventLogList.TopIndex = eventLogList.Items.Count - itemsPerPage; } private void txt_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { Log("Key Down: " + e.KeyCode.ToString() + e.KeyValue.ToString()); } private void txt_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) { Log("Key Press: " + e.KeyChar.ToString()); } private void txt_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e) { Log("Key Up: " + e.KeyCode.ToString() + e.KeyValue.ToString() + " Text is: " + txt.Text); } private void txt_TextChanged(object sender, System.EventArgs e) { Log("Changed: " + " Text is: " + txt.Text); } private void pic_MouseEnter(object sender, System.EventArgs e) { Log("Mouse Enter"); } private void pic_MouseHover(object sender, System.EventArgs e) { Log("Mouse Hover"); } private void pic_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Log("Mouse Down: X=" + e.X.ToString() + " Y=" + e.Y.ToString() + " Button=" + e.Button.ToString()); } private void pic_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { Log("Mouse Up: X=" + e.X.ToString() + " Y=" + e.Y.ToString() + " Button=" + e.Button.ToString()); } private void pic_Click(object sender, System.EventArgs e) { Log("Click"); } private void pic_DoubleClick(object sender, System.EventArgs e) { Log("Double Click"); } private void pic_MouseLeave(object sender, System.EventArgs e) { Log("Mouse Leave"); } private void InitializeComponent() { this.GroupBox1 = new System.Windows.Forms.GroupBox(); this.Label4 = new System.Windows.Forms.Label(); this.Label1 = new System.Windows.Forms.Label(); this.pic = new System.Windows.Forms.PictureBox(); this.txt = new System.Windows.Forms.TextBox(); this.cmd = new System.Windows.Forms.Button(); this.Label2 = new System.Windows.Forms.Label(); this.Label3 = new System.Windows.Forms.Label(); this.eventLogList = new System.Windows.Forms.ListBox(); this.GroupBox1.SuspendLayout(); ((System.ruponentModel.ISupportInitialize)(this.pic)).BeginInit(); this.SuspendLayout(); // // GroupBox1 // this.GroupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.GroupBox1.Controls.Add(this.Label4); this.GroupBox1.Controls.Add(this.Label1); this.GroupBox1.Controls.Add(this.pic); this.GroupBox1.Controls.Add(this.txt); this.GroupBox1.Controls.Add(this.cmd); this.GroupBox1.Controls.Add(this.Label2); this.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System; this.GroupBox1.Location = new System.Drawing.Point(7, 0); this.GroupBox1.Name = "GroupBox1"; this.GroupBox1.Size = new System.Drawing.Size(384, 148); this.GroupBox1.TabIndex = 12; this.GroupBox1.TabStop = false; // // Label4 // this.Label4.Location = new System.Drawing.Point(92, 108); this.Label4.Name = "Label4"; this.Label4.Size = new System.Drawing.Size(56, 16); this.Label4.TabIndex = 5; this.Label4.Text = "And here:"; // // Label1 // this.Label1.Location = new System.Drawing.Point(6, 24); this.Label1.Name = "Label1"; this.Label1.Size = new System.Drawing.Size(144, 16); this.Label1.TabIndex = 2; this.Label1.Text = "Test keyboard events here:"; // // pic // this.pic.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.pic.Location = new System.Drawing.Point(156, 48); this.pic.Name = "pic"; this.pic.Size = new System.Drawing.Size(192, 48); this.pic.TabIndex = 3; this.pic.TabStop = false; this.pic.DoubleClick += new System.EventHandler(this.pic_DoubleClick); this.pic.Click += new System.EventHandler(this.pic_Click); this.pic.MouseHover += new System.EventHandler(this.pic_MouseHover); this.pic.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pic_MouseUp); this.pic.MouseEnter += new System.EventHandler(this.pic_MouseEnter); this.pic.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pic_MouseDown); // // txt // this.txt.Location = new System.Drawing.Point(156, 20); this.txt.Name = "txt"; this.txt.Size = new System.Drawing.Size(192, 21); this.txt.TabIndex = 1; this.txt.KeyUp += new System.Windows.Forms.KeyEventHandler(this.txt_KeyUp); this.txt.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txt_KeyPress); this.txt.TextChanged += new System.EventHandler(this.txt_TextChanged); this.txt.KeyDown += new System.Windows.Forms.KeyEventHandler(this.txt_KeyDown); // // cmd // this.cmd.FlatStyle = System.Windows.Forms.FlatStyle.System; this.cmd.Location = new System.Drawing.Point(156, 100); this.cmd.Name = "cmd"; this.cmd.Size = new System.Drawing.Size(88, 28); this.cmd.TabIndex = 4; this.cmd.Text = "Button1"; this.cmd.MouseLeave += new System.EventHandler(this.pic_MouseLeave); this.cmd.Click += new System.EventHandler(this.pic_Click); this.cmd.MouseEnter += new System.EventHandler(this.pic_MouseEnter); this.cmd.MouseHover += new System.EventHandler(this.pic_MouseHover); this.cmd.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pic_MouseUp); this.cmd.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pic_MouseDown); // // Label2 // this.Label2.Location = new System.Drawing.Point(20, 52); this.Label2.Name = "Label2"; this.Label2.Size = new System.Drawing.Size(128, 16); this.Label2.TabIndex = 2; this.Label2.Text = "Test mouse events here:"; // // Label3 // this.Label3.Location = new System.Drawing.Point(23, 100); this.Label3.Name = "Label3"; this.Label3.Size = new System.Drawing.Size(64, 24); this.Label3.TabIndex = 11; this.Label3.Text = "Label3"; // // eventLogList // this.eventLogList.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.eventLogList.FormattingEnabled = true; this.eventLogList.IntegralHeight = false; this.eventLogList.Location = new System.Drawing.Point(7, 156); this.eventLogList.Name = "eventLogList"; this.eventLogList.Size = new System.Drawing.Size(384, 212); this.eventLogList.TabIndex = 10; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(399, 374); this.Controls.Add(this.GroupBox1); this.Controls.Add(this.Label3); this.Controls.Add(this.eventLogList); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "Form1"; this.Text = "Event Tracker"; this.GroupBox1.ResumeLayout(false); this.GroupBox1.PerformLayout(); ((System.ruponentModel.ISupportInitialize)(this.pic)).EndInit(); this.ResumeLayout(false); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Button.MouseEnter
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {
private System.Windows.Forms.GroupBox GroupBox1; private System.Windows.Forms.Label Label4; private System.Windows.Forms.Label Label1; private System.Windows.Forms.PictureBox pic; private System.Windows.Forms.TextBox txt; private System.Windows.Forms.Button cmd; private System.Windows.Forms.Label Label2; private System.Windows.Forms.Label Label3; private System.Windows.Forms.ListBox eventLogList; public Form1() { InitializeComponent(); } private void Log(String data) { eventLogList.Items.Add(data); int itemsPerPage = (int)(eventLogList.Height / eventLogList.ItemHeight); eventLogList.TopIndex = eventLogList.Items.Count - itemsPerPage; } private void txt_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { Log("Key Down: " + e.KeyCode.ToString() + e.KeyValue.ToString()); } private void txt_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) { Log("Key Press: " + e.KeyChar.ToString()); } private void txt_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e) { Log("Key Up: " + e.KeyCode.ToString() + e.KeyValue.ToString() + " Text is: " + txt.Text); } private void txt_TextChanged(object sender, System.EventArgs e) { Log("Changed: " + " Text is: " + txt.Text); } private void pic_MouseEnter(object sender, System.EventArgs e) { Log("Mouse Enter"); } private void pic_MouseHover(object sender, System.EventArgs e) { Log("Mouse Hover"); } private void pic_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Log("Mouse Down: X=" + e.X.ToString() + " Y=" + e.Y.ToString() + " Button=" + e.Button.ToString()); } private void pic_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { Log("Mouse Up: X=" + e.X.ToString() + " Y=" + e.Y.ToString() + " Button=" + e.Button.ToString()); } private void pic_Click(object sender, System.EventArgs e) { Log("Click"); } private void pic_DoubleClick(object sender, System.EventArgs e) { Log("Double Click"); } private void pic_MouseLeave(object sender, System.EventArgs e) { Log("Mouse Leave"); } private void InitializeComponent() { this.GroupBox1 = new System.Windows.Forms.GroupBox(); this.Label4 = new System.Windows.Forms.Label(); this.Label1 = new System.Windows.Forms.Label(); this.pic = new System.Windows.Forms.PictureBox(); this.txt = new System.Windows.Forms.TextBox(); this.cmd = new System.Windows.Forms.Button(); this.Label2 = new System.Windows.Forms.Label(); this.Label3 = new System.Windows.Forms.Label(); this.eventLogList = new System.Windows.Forms.ListBox(); this.GroupBox1.SuspendLayout(); ((System.ruponentModel.ISupportInitialize)(this.pic)).BeginInit(); this.SuspendLayout(); // // GroupBox1 // this.GroupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.GroupBox1.Controls.Add(this.Label4); this.GroupBox1.Controls.Add(this.Label1); this.GroupBox1.Controls.Add(this.pic); this.GroupBox1.Controls.Add(this.txt); this.GroupBox1.Controls.Add(this.cmd); this.GroupBox1.Controls.Add(this.Label2); this.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System; this.GroupBox1.Location = new System.Drawing.Point(7, 0); this.GroupBox1.Name = "GroupBox1"; this.GroupBox1.Size = new System.Drawing.Size(384, 148); this.GroupBox1.TabIndex = 12; this.GroupBox1.TabStop = false; // // Label4 // this.Label4.Location = new System.Drawing.Point(92, 108); this.Label4.Name = "Label4"; this.Label4.Size = new System.Drawing.Size(56, 16); this.Label4.TabIndex = 5; this.Label4.Text = "And here:"; // // Label1 // this.Label1.Location = new System.Drawing.Point(6, 24); this.Label1.Name = "Label1"; this.Label1.Size = new System.Drawing.Size(144, 16); this.Label1.TabIndex = 2; this.Label1.Text = "Test keyboard events here:"; // // pic // this.pic.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.pic.Location = new System.Drawing.Point(156, 48); this.pic.Name = "pic"; this.pic.Size = new System.Drawing.Size(192, 48); this.pic.TabIndex = 3; this.pic.TabStop = false; this.pic.DoubleClick += new System.EventHandler(this.pic_DoubleClick); this.pic.Click += new System.EventHandler(this.pic_Click); this.pic.MouseHover += new System.EventHandler(this.pic_MouseHover); this.pic.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pic_MouseUp); this.pic.MouseEnter += new System.EventHandler(this.pic_MouseEnter); this.pic.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pic_MouseDown); // // txt // this.txt.Location = new System.Drawing.Point(156, 20); this.txt.Name = "txt"; this.txt.Size = new System.Drawing.Size(192, 21); this.txt.TabIndex = 1; this.txt.KeyUp += new System.Windows.Forms.KeyEventHandler(this.txt_KeyUp); this.txt.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.txt_KeyPress); this.txt.TextChanged += new System.EventHandler(this.txt_TextChanged); this.txt.KeyDown += new System.Windows.Forms.KeyEventHandler(this.txt_KeyDown); // // cmd // this.cmd.FlatStyle = System.Windows.Forms.FlatStyle.System; this.cmd.Location = new System.Drawing.Point(156, 100); this.cmd.Name = "cmd"; this.cmd.Size = new System.Drawing.Size(88, 28); this.cmd.TabIndex = 4; this.cmd.Text = "Button1"; this.cmd.MouseLeave += new System.EventHandler(this.pic_MouseLeave); this.cmd.Click += new System.EventHandler(this.pic_Click); this.cmd.MouseEnter += new System.EventHandler(this.pic_MouseEnter); this.cmd.MouseHover += new System.EventHandler(this.pic_MouseHover); this.cmd.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pic_MouseUp); this.cmd.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pic_MouseDown); // // Label2 // this.Label2.Location = new System.Drawing.Point(20, 52); this.Label2.Name = "Label2"; this.Label2.Size = new System.Drawing.Size(128, 16); this.Label2.TabIndex = 2; this.Label2.Text = "Test mouse events here:"; // // Label3 // this.Label3.Location = new System.Drawing.Point(23, 100); this.Label3.Name = "Label3"; this.Label3.Size = new System.Drawing.Size(64, 24); this.Label3.TabIndex = 11; this.Label3.Text = "Label3"; // // eventLogList // this.eventLogList.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.eventLogList.FormattingEnabled = true; this.eventLogList.IntegralHeight = false; this.eventLogList.Location = new System.Drawing.Point(7, 156); this.eventLogList.Name = "eventLogList"; this.eventLogList.Size = new System.Drawing.Size(384, 212); this.eventLogList.TabIndex = 10; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(399, 374); this.Controls.Add(this.GroupBox1); this.Controls.Add(this.Label3); this.Controls.Add(this.eventLogList); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "Form1"; this.Text = "Event Tracker"; this.GroupBox1.ResumeLayout(false); this.GroupBox1.PerformLayout(); ((System.ruponentModel.ISupportInitialize)(this.pic)).EndInit(); this.ResumeLayout(false); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Button.Parent
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;
class TwoButtons: Form {
readonly Button btnLarger, btnSmaller; readonly int cxBtn, cyBtn, dxBtn; public static void Main() { Application.Run(new TwoButtons()); } public TwoButtons() { ResizeRedraw = true; cxBtn = 200; cyBtn = 100; dxBtn = 12; btnLarger = new Button(); btnLarger.Parent = this; btnLarger.Text = "&Larger"; btnLarger.Size = new Size(cxBtn, cyBtn); btnLarger.Click += new EventHandler(ButtonOnClick); btnSmaller = new Button(); btnSmaller.Parent = this; btnSmaller.Text = "&Smaller"; btnSmaller.Size = new Size(cxBtn, cyBtn); btnSmaller.Click += new EventHandler(ButtonOnClick); OnResize(EventArgs.Empty); } protected override void OnResize(EventArgs ea) { base.OnResize(ea); btnLarger.Location = new Point(ClientSize.Width / 2 - cxBtn - dxBtn / 2, (ClientSize.Height - cyBtn) / 2); btnSmaller.Location = new Point(ClientSize.Width / 2 + dxBtn / 2, (ClientSize.Height - cyBtn) / 2); } void ButtonOnClick(object obj, EventArgs ea) { Button btn = (Button) obj; if (btn == btnLarger) { Left -= (int)(0.1 * Width); Top -= (int)(0.1 * Height); Width += (int)(0.1 * Width); Height += (int)(0.1 * Height); } else { Left += (int)(Width / 22f); Top += (int)(Height / 22f); Width -= (int)(Width / 11f); Height -= (int)(Height / 11f); } }
}
</source>
Button.PerformClick()
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class ButtonEvent : Form {
Button btn1; Button btn2; public ButtonEvent() { Size = new Size(200,100); btn1 = new Button(); btn1.Parent = this; btn1.Text = "Button1"; btn1.Location = new Point(10,10); btn1.Click += new System.EventHandler(btn1_Click); btn2 = new Button(); btn2.Parent = this; btn2.Text = "Button2"; btn2.Location = new Point(100,10); btn2.Click += new System.EventHandler(btn2_Click); } static void Main() { Application.Run(new ButtonEvent()); } private void btn1_Click(object sender, EventArgs e) { MessageBox.Show("Button1 clicked."); btn2.PerformClick(); } private void btn2_Click(object sender, EventArgs e) { MessageBox.Show("Button2 clicked."); }
}
</source>
Button.Size
<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {
private System.Windows.Forms.Button button1; public Form1() { InitializeComponent(); } private void InitializeComponent() { this.button1 = new System.Windows.Forms.Button(); this.SuspendLayout(); this.button1.Image = new Bitmap("winter.jpg"); this.button1.ImageAlign = System.Drawing.ContentAlignment.TopRight; this.button1.Location = new System.Drawing.Point(12, 99); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(132, 74); this.button1.TabIndex = 1; this.button1.Text = "button1"; this.button1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; this.button1.UseVisualStyleBackColor = true; this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(299, 271); this.Controls.Add(this.button1); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "ImagesInCommonControls"; this.Text = "ImagesInCommonControls"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Button.Text
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms;
public class MainForm : Form {
public static void Main() { MainForm MyForm = new MainForm(); Application.Run(MyForm); } public MainForm() { Button MyButton = new Button(); Text = "Button Test"; MyButton.Location = new Point(25, 25); MyButton.Text = "Click Me"; MyButton.Click += new EventHandler(MyButtonClicked); Controls.Add(MyButton); } public void MyButtonClicked(object sender, EventArgs Arguments) { MessageBox.Show("The button has been clicked."); }
}
</source>
Button.TextAlign
<source lang="csharp">
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class ButtonForm : System.Windows.Forms.Form { private System.Windows.Forms.Button btnImage; private System.Windows.Forms.Button btnStandard; private System.Windows.Forms.Button btnPopup; private System.Windows.Forms.Button btnFlat; // Hold the current text alignment ContentAlignment currAlignment = ContentAlignment.MiddleCenter; int currEnumPos = 0; public ButtonForm() { InitializeComponent(); // Set btnStandard as default accept. this.AcceptButton = btnStandard; CenterToScreen(); } private void InitializeComponent() { this.btnStandard = new System.Windows.Forms.Button(); this.btnFlat = new System.Windows.Forms.Button(); this.btnImage = new System.Windows.Forms.Button(); this.btnPopup = new System.Windows.Forms.Button(); this.SuspendLayout(); // // btnStandard // this.btnStandard.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F); this.btnStandard.ForeColor = System.Drawing.SystemColors.ControlText; this.btnStandard.Location = new System.Drawing.Point(16, 80); this.btnStandard.Name = "btnStandard"; this.btnStandard.Size = new System.Drawing.Size(312, 88); this.btnStandard.TabIndex = 2; this.btnStandard.Text = "I am a standard button"; this.btnStandard.Click += new System.EventHandler(this.btnStandard_Click); // // btnFlat // this.btnFlat.FlatStyle = System.Windows.Forms.FlatStyle.Flat; this.btnFlat.ForeColor = System.Drawing.Color.Blue; this.btnFlat.Location = new System.Drawing.Point(16, 24); this.btnFlat.Name = "btnFlat"; this.btnFlat.Size = new System.Drawing.Size(152, 32); this.btnFlat.TabIndex = 0; this.btnFlat.Text = "I am flat..."; // // btnImage // this.btnImage.Font = new System.Drawing.Font("Microsoft Sans Serif", 20F, System.Drawing.FontStyle.Bold); this.btnImage.Image = new Bitmap("winter.jpg"); this.btnImage.Location = new System.Drawing.Point(16, 192); this.btnImage.Name = "btnImage"; this.btnImage.Size = new System.Drawing.Size(312, 72); this.btnImage.TabIndex = 3; this.btnImage.Text = "Image Button"; this.btnImage.TextAlign = System.Drawing.ContentAlignment.TopCenter; // // btnPopup // this.btnPopup.FlatStyle = System.Windows.Forms.FlatStyle.Popup; this.btnPopup.ForeColor = System.Drawing.SystemColors.ControlText; this.btnPopup.Location = new System.Drawing.Point(176, 24); this.btnPopup.Name = "btnPopup"; this.btnPopup.Size = new System.Drawing.Size(152, 32); this.btnPopup.TabIndex = 1; this.btnPopup.Text = "I am a Popup!"; // // ButtonForm // this.AcceptButton = this.btnStandard; this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(340, 269); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.btnImage, this.btnStandard, this.btnPopup, this.btnFlat}); this.ForeColor = System.Drawing.SystemColors.ActiveCaptionText; this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D; this.Name = "ButtonForm"; this.Text = "Buttons"; this.ResumeLayout(false); } protected void btnStandard_Click (object sender, System.EventArgs e) { Array values = Enum.GetValues(currAlignment.GetType()); currEnumPos++; if(currEnumPos >= values.Length) currEnumPos = 0; currAlignment = (ContentAlignment)ContentAlignment.Parse(currAlignment.GetType(), values.GetValue(currEnumPos).ToString()); btnStandard.TextAlign = currAlignment; btnStandard.Text = currAlignment.ToString(); } public static void Main(string[] args) { Application.Run(new ButtonForm()); } }
</source>
Button.Top
<source lang="csharp"> using System; using System.Windows.Forms; using System.Drawing; public class PushMe2 : Form {
Button pushMeButton; public PushMe2() { pushMeButton = new Button(); pushMeButton.Text = "Push Me"; pushMeButton.Height = 60; pushMeButton.Width = 80; pushMeButton.Top = 60; pushMeButton.Left = 60; pushMeButton.Click += new EventHandler(ButtonClicked); this.Controls.Add(pushMeButton); this.Height = 200; this.Width = 200; this.StartPosition = FormStartPosition.CenterScreen; this.Visible = true; } public void ButtonClicked(object source, EventArgs e) { Button b = (Button)source; if ( b.Text == "Push Me" ) { b.Text = "Ouch"; } else { b.Text = "Push Me"; } } static void Main() { Application.Run(new PushMe2()); }
}
</source>
new Button()
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; class FormHand : Form {
private TextBox firstNameBox = new TextBox(); private Button btnShowControls = new Button(); public FormHand() { firstNameBox.Text = "Text"; firstNameBox.Size = new Size(150, 50); firstNameBox.Location = new Point(10, 10); this.Controls.Add(firstNameBox); btnShowControls.Text = "Click Me"; btnShowControls.Size = new Size(90, 90); btnShowControls.Location = new Point(10, 70); btnShowControls.Click += new EventHandler(btnShowControls_Clicked); this.Controls.Add(btnShowControls); CenterToScreen(); } protected void btnShowControls_Clicked(object sender, EventArgs e) { Control.ControlCollection coll = this.Controls; foreach(Control c in coll) { if(c != null) Console.WriteLine(string.Format("Index: {0}, Text: {1}\n", coll.GetChildIndex(c, false), c.Text)); } MessageBox.Show("Message", "Index and Text values for each control"); } public static int Main(string[] args) { Application.Run(new FormHand()); return 0; }
}
</source>