Csharp/C Sharp/GUI Windows Form/UpDown
Содержание
Convert value from Numeric Dropdown to Int
<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.NumericUpDown yearUpDown;
private System.Windows.Forms.Button calculateButton;
public Form1() {
InitializeComponent();
}
private void calculateButton_Click( object sender, EventArgs e )
{
Console.WriteLine(Convert.ToInt32( yearUpDown.Value ));
}
private void InitializeComponent()
{
this.yearUpDown = new System.Windows.Forms.NumericUpDown();
this.calculateButton = new System.Windows.Forms.Button();
((System.ruponentModel.ISupportInitialize)(this.yearUpDown)).BeginInit();
this.SuspendLayout();
this.yearUpDown.Location = new System.Drawing.Point(84, 97);
this.yearUpDown.Maximum = new decimal(new int[] {
10,
0,
0,
0});
this.yearUpDown.Minimum = new decimal(new int[] {
1,
0,
0,
0});
this.yearUpDown.Name = "yearUpDown";
this.yearUpDown.ReadOnly = true;
this.yearUpDown.Size = new System.Drawing.Size(100, 20);
this.yearUpDown.TabIndex = 5;
this.yearUpDown.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
this.yearUpDown.Value = new decimal(new int[] {
1,
0,
0,
0});
this.calculateButton.Location = new System.Drawing.Point(196, 16);
this.calculateButton.Name = "calculateButton";
this.calculateButton.Size = new System.Drawing.Size(75, 23);
this.calculateButton.TabIndex = 8;
this.calculateButton.Text = "Calculate";
this.calculateButton.Click += new System.EventHandler(this.calculateButton_Click);
//
// interestCalculatorForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(289, 288);
this.Controls.Add(this.calculateButton);
this.Controls.Add(this.yearUpDown);
this.Name = "interestCalculatorForm";
this.Text = "Interest Calculator";
((System.ruponentModel.ISupportInitialize)(this.yearUpDown)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
</source>
Numeric value based Up Down (Spinner)
<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class UpDownForm : System.Windows.Forms.Form
{
private System.Windows.Forms.Label lblCurrSel;
private System.Windows.Forms.Button btnGetSelections;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.NumericUpDown numericUpDown;
public UpDownForm()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label ();
this.numericUpDown = new System.Windows.Forms.NumericUpDown ();
this.btnGetSelections = new System.Windows.Forms.Button ();
this.lblCurrSel = new System.Windows.Forms.Label ();
numericUpDown.BeginInit ();
label1.Location = new System.Drawing.Point (8, 80);
label1.Text = "Numeric UpDown Control";
label1.Size = new System.Drawing.Size (232, 32);
label1.Font = new System.Drawing.Font ("Verdana", 12);
label1.TabIndex = 3;
numericUpDown.Location = new System.Drawing.Point (264, 80);
numericUpDown.Maximum = new decimal (5000);
numericUpDown.Size = new System.Drawing.Size (168, 20);
numericUpDown.ThousandsSeparator = true;
numericUpDown.TabIndex = 1;
numericUpDown.UpDownAlign = System.Windows.Forms.LeftRightAlignment.Left;
numericUpDown.ValueChanged += new System.EventHandler (this.numericUpDown_ValueChanged);
btnGetSelections.Location = new System.Drawing.Point (16, 136);
btnGetSelections.Size = new System.Drawing.Size (136, 24);
btnGetSelections.TabIndex = 4;
btnGetSelections.Text = "Get Current Selections";
btnGetSelections.Click += new System.EventHandler (this.btnGetSelections_Click);
lblCurrSel.Location = new System.Drawing.Point (176, 120);
lblCurrSel.Size = new System.Drawing.Size (256, 48);
this.Text = "Spin Controls";
this.AutoScaleBaseSize = new System.Drawing.Size (5, 13);
this.ClientSize = new System.Drawing.Size (448, 181);
this.Controls.Add (this.lblCurrSel);
this.Controls.Add (this.btnGetSelections);
this.Controls.Add (this.label1);
this.Controls.Add (this.numericUpDown);
numericUpDown.EndInit ();
}
static void Main()
{
Application.Run(new UpDownForm());
}
protected void numericUpDown_ValueChanged (object sender, System.EventArgs e)
{
this.Text = "You changed the numeric value...";
}
protected void btnGetSelections_Click (object sender, System.EventArgs e)
{
lblCurrSel.Text = "Number: "
+ numericUpDown.Value;
}
}
</source>
String based DomainUpDown (Spinner)
<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class UpDownForm : System.Windows.Forms.Form
{
private System.Windows.Forms.Label lblCurrSel;
private System.Windows.Forms.Button btnGetSelections;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.DomainUpDown domainUpDown;
public UpDownForm()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label ();
this.domainUpDown = new System.Windows.Forms.DomainUpDown ();
this.btnGetSelections = new System.Windows.Forms.Button ();
this.lblCurrSel = new System.Windows.Forms.Label ();
label1.Location = new System.Drawing.Point (8, 24);
label1.Text = "Domain UpDown Control";
label1.Size = new System.Drawing.Size (224, 32);
label1.Font = new System.Drawing.Font ("Verdana", 12);
label1.TabIndex = 2;
domainUpDown.Location = new System.Drawing.Point (264, 24);
domainUpDown.Text = "domainUpDown1";
domainUpDown.Size = new System.Drawing.Size (168, 20);
domainUpDown.TabIndex = 0;
domainUpDown.Sorted = true;
domainUpDown.Wrap = true;
domainUpDown.SelectedItemChanged += new System.EventHandler (this.domainUpDown_SelectedItemChanged);
domainUpDown.Items.AddRange(new object[4] {"B", "A", "C", "(D)"});
btnGetSelections.Location = new System.Drawing.Point (16, 136);
btnGetSelections.Size = new System.Drawing.Size (136, 24);
btnGetSelections.TabIndex = 4;
btnGetSelections.Text = "Get Current Selections";
btnGetSelections.Click += new System.EventHandler (this.btnGetSelections_Click);
lblCurrSel.Location = new System.Drawing.Point (176, 120);
lblCurrSel.Size = new System.Drawing.Size (256, 48);
this.Text = "Spin Controls";
this.AutoScaleBaseSize = new System.Drawing.Size (5, 13);
this.ClientSize = new System.Drawing.Size (448, 181);
this.Controls.Add (this.lblCurrSel);
this.Controls.Add (this.btnGetSelections);
this.Controls.Add (this.label1);
this.Controls.Add (this.domainUpDown);
}
static void Main()
{
Application.Run(new UpDownForm());
}
protected void domainUpDown_SelectedItemChanged (object sender, System.EventArgs e)
{
this.Text = "You changed the string value...";
}
protected void btnGetSelections_Click (object sender, System.EventArgs e)
{
// Get info from updowns...
lblCurrSel.Text = "String: "
+ domainUpDown.Text ;
}
}
</source>
UpDown Control
<source lang="csharp"> /* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information ISBN: 1861007663
- /
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; namespace UpDown {
/// <summary>
/// Summary description for UpDown.
/// </summary>
public class UpDown : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.DomainUpDown UPDOWN_DOMAIN;
private System.Windows.Forms.Label label1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public UpDown()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.button2 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.UPDOWN_DOMAIN = new System.Windows.Forms.DomainUpDown();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// button2
//
this.button2.Location = new System.Drawing.Point(136, 80);
this.button2.Name = "button2";
this.button2.TabIndex = 8;
this.button2.Text = "Add Item";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(24, 80);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 7;
this.textBox1.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(264, 40);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(64, 23);
this.button1.TabIndex = 6;
this.button1.Text = "Remove";
//
// UPDOWN_DOMAIN
//
this.UPDOWN_DOMAIN.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(192)));
this.UPDOWN_DOMAIN.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.UPDOWN_DOMAIN.ForeColor = System.Drawing.SystemColors.HotTrack;
this.UPDOWN_DOMAIN.Location = new System.Drawing.Point(24, 40);
this.UPDOWN_DOMAIN.Name = "UPDOWN_DOMAIN";
this.UPDOWN_DOMAIN.Size = new System.Drawing.Size(232, 26);
this.UPDOWN_DOMAIN.Sorted = true;
this.UPDOWN_DOMAIN.TabIndex = 5;
this.UPDOWN_DOMAIN.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
this.UPDOWN_DOMAIN.UpDownAlign = System.Windows.Forms.LeftRightAlignment.Left;
this.UPDOWN_DOMAIN.Wrap = true;
//
// label1
//
this.label1.Location = new System.Drawing.Point(24, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(136, 23);
this.label1.TabIndex = 9;
this.label1.Text = "UpDownDomain Control";
//
// UpDown
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(344, 117);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label1,
this.UPDOWN_DOMAIN,
this.button1,
this.button2,
this.textBox1});
this.Name = "UpDown";
this.Text = "UpDownDomain Control";
this.Load += new System.EventHandler(this.UpDown_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new UpDown());
}
private void UpDown_Load(object sender, System.EventArgs e)
{
// Populate the UpDown Domain control with string objects
UPDOWN_DOMAIN.Items.Add("Visual C#");
UPDOWN_DOMAIN.Items.Add("Visual C++");
UPDOWN_DOMAIN.Items.Add("Visual VB");
UPDOWN_DOMAIN.Items.Add("Managed C++");
UPDOWN_DOMAIN.Items.Add("Crystal Reports");
UPDOWN_DOMAIN.Items.Add("MFC");
UPDOWN_DOMAIN.Items.Add("ATL");
UPDOWN_DOMAIN.Items.Add("COM");
UPDOWN_DOMAIN.Items.Add("DCOM");
UPDOWN_DOMAIN.Items.Add("COM+");
UPDOWN_DOMAIN.Items.Add("SETUP");
UPDOWN_DOMAIN.Items.Add("COMMAND LINE");
UPDOWN_DOMAIN.Items.Add("WINDOWS SERVICE");
UPDOWN_DOMAIN.Items.Add("WINDOWS LIBRARY");
UPDOWN_DOMAIN.Items.Add("ASP .NET WEB");
UPDOWN_DOMAIN.Items.Add("DATABASE APPLICATION");
}
private void button1_Click(object sender, System.EventArgs e)
{
// Select the Item that want to remove
int nItemSel = UPDOWN_DOMAIN.SelectedIndex;
if ( nItemSel >= 0 )
{
// Remove the item at the location
UPDOWN_DOMAIN.Items.RemoveAt(nItemSel);
// Update the control
UPDOWN_DOMAIN.Update();
// Clear the edit box
UPDOWN_DOMAIN.Text = "" ;
}
}
private void button2_Click(object sender, System.EventArgs e)
{
if ( textBox1.Text == "" )
{
MessageBox.Show("Enter a string to add");
return ;
}
// Add the new string the UpDownDomain control
UPDOWN_DOMAIN.Items.Add(textBox1.Text);
textBox1.Text = "" ;
}
}
}
</source>
UpDown Derived
<source lang="csharp"> /* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information ISBN: 1861007663
- /
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; namespace UpDown_Derived {
/// <summary>
/// Summary description for UpDownDerived.
/// </summary>
public class UpDownDerived : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
private System.Windows.Forms.Label label1;
private MyUpDownControl mDC = null ;
public UpDownDerived()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.mDC = new UpDown_Derived.MyUpDownControl();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// mDC
//
this.mDC.Items.Add("FRANCE");
this.mDC.Items.Add("ITALY");
this.mDC.Items.Add("USA");
this.mDC.Items.Add("UK");
this.mDC.Items.Add("AUSTRALIA");
this.mDC.Items.Add("INDIA");
this.mDC.Items.Add("ZAMBIA");
this.mDC.Items.Add("MALASYIA");
this.mDC.Location = new System.Drawing.Point(40, 40);
this.mDC.Name = "mDC";
this.mDC.TabIndex = 0;
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(200, 16);
this.label1.TabIndex = 1;
this.label1.Text = "Derived DomainUpDown Controller";
//
// UpDownDerived
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(248, 85);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label1,
this.mDC});
this.Name = "UpDownDerived";
this.Text = "My Domain Controller";
this.Load += new System.EventHandler(this.UpDownDerived_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new UpDownDerived());
}
private void UpDownDerived_Load(object sender, System.EventArgs e)
{
}
}
/// <summary>
/// Summary description for MyUpDownControl.
/// </summary>
public class MyUpDownControl : System.Windows.Forms.DomainUpDown
{
private int currentPos =0;
private string DisplayText ="";
public MyUpDownControl()
{
// Populate the control with items
Items.Add("FRANCE");
Items.Add("ITALY");
Items.Add("USA");
Items.Add("UK");
Items.Add("AUSTRALIA");
Items.Add("INDIA");
Items.Add("ZAMBIA");
Items.Add("MALASYIA");
}
public override void DownButton()
{
// Check if the Down Arrow is clicked
currentPos ++;
if ( currentPos >= Items.Count )
currentPos = 0 ;
UpdateEditText();
}
public override void UpButton()
{
// Check if the Up Arrow is clicked
currentPos -- ;
if ( currentPos < 0 ) currentPos = Items.Count-1 ;
UpdateEditText();
}
protected override void UpdateEditText()
{
// Update the EditBox
DisplayText = (string)this.Items[currentPos ];
this.Text = DisplayText;
}
public void Sort()
{
if ( this.Sorted )
this.Sorted= false ;
else
this.Sorted= true ;
if ( this.Sorted )
this.Sort() ;
UpdateEditText() ;
}
}
}
</source>
