Csharp/CSharp Tutorial/2D/Mouse Draw — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 15:18, 26 мая 2010
Basic Paint Form: click mouse button to add the an Ellipse
<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; public class FormBasicPaintMouseClick : System.Windows.Forms.Form {
private System.ruponentModel.Container components = null; private System.Windows.Forms.Button btnRenderedButton; private System.Windows.Forms.Button btnRenderToOtherButton; private ArrayList myPts = new ArrayList(); public FormBasicPaintMouseClick() { InitializeComponent(); } protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } private void InitializeComponent() { this.btnRenderedButton = new System.Windows.Forms.Button(); this.btnRenderToOtherButton = new System.Windows.Forms.Button(); this.SuspendLayout(); // // btnRenderedButton // this.btnRenderedButton.Location = new System.Drawing.Point(168, 120); this.btnRenderedButton.Name = "btnRenderedButton"; this.btnRenderedButton.Size = new System.Drawing.Size(112, 136); this.btnRenderedButton.TabIndex = 0; this.btnRenderedButton.Text = "Click on other button!"; // // btnRenderToOtherButton // this.btnRenderToOtherButton.Location = new System.Drawing.Point(168, 8); this.btnRenderToOtherButton.Name = "btnRenderToOtherButton"; this.btnRenderToOtherButton.Size = new System.Drawing.Size(112, 56); this.btnRenderToOtherButton.TabIndex = 1; this.btnRenderToOtherButton.Text = "Render to button"; // // FormBasicPaintMouseClick // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Controls.Add(this.btnRenderToOtherButton); this.Controls.Add(this.btnRenderedButton); this.Name = "FormBasicPaintMouseClick"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "Basic Paint Form"; this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.FormBasicPaintMouseClick_MouseDown); this.Paint += new System.Windows.Forms.PaintEventHandler(this.FormBasicPaintMouseClick_Paint); this.ResumeLayout(false); } [STAThread] static void Main() { Application.Run(new FormBasicPaintMouseClick()); } private void FormBasicPaintMouseClick_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { myPts.Add(new Point(e.X, e.Y)); Invalidate(); } private void FormBasicPaintMouseClick_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { Graphics g = e.Graphics; foreach(Point p in myPts) g.DrawEllipse(new Pen(Color.Green), p.X, p.Y, 10, 10); }
}</source>