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Categories / C# / GUI Windows Form

 

CheckedListBox Item Check event

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {       private System.Windows.Forms.CheckedListBox inputCheckedListBox;       private System.Windows.Forms.ListBox displayListBox;          public Form1() {          InitializeComponent();     }       private void inputCheckedListBox_ItemCheck(object sender, ItemCheckEventArgs e )       {          string item = inputCheckedListBox.SelectedItem.ToString();          if ( e.NewValue == CheckState.Checked )             displayListBox.Items.Add( item );          else             displayListBox.Items.Remove( item );       }       private void InitializeComponent()       {          this.inputCheckedListBox = new System.Windows.Forms.CheckedListBox();          this.displayListBox = new System.Windows.Forms.ListBox();          this.SuspendLayout();          //           // inputCheckedListBox          //           this.inputCheckedListBox.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));          this.inputCheckedListBox.FormattingEnabled = true;          this.inputCheckedListBox.Items.AddRange(new object[] {             "A",             "B",             "C",             "D",             "E",             "F",             "G",             "H"});          this.inputCheckedListBox.Location = new System.Drawing.Point(17, 12);          this.inputCheckedListBox.Name = "inputCheckedListBox";          this.inputCheckedListBox.Size = new System.Drawing.Size(202, 188);          this.inputCheckedListBox.TabIndex = 0;          this.inputCheckedListBox.ItemCheck += new System.Windows.Forms.ItemCheckEventHandler(this.inputCheckedListBox_ItemCheck);          //           // displayListBox          //           this.displayListBox.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));          this.displayListBox.FormattingEnabled = true;          this.displayListBox.ItemHeight = 20;          this.displayListBox.Location = new System.Drawing.Point(236, 12);          this.displayListBox.Name = "displayListBox";          this.displayListBox.Size = new System.Drawing.Size(190, 184);          this.displayListBox.TabIndex = 1;          //           // CheckedListBoxTestForm          //           this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);          this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;          this.ClientSize = new System.Drawing.Size(438, 211);          this.Controls.Add(this.displayListBox);          this.Controls.Add(this.inputCheckedListBox);          this.Name = "CheckedListBoxTestForm";          this.Text = "CheckedListBoxTest";          this.ResumeLayout(false);       }   [STAThread]   static void Main()   {     Application.EnableVisualStyles();     Application.Run(new Form1());   } }