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Categories / C# by API / System Windows Forms
 

Label MouseHover

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class frmMouseButtons : System.Windows.Forms.Form {     private System.Windows.Forms.Label lblLeftClick;     private System.Windows.Forms.Label lblRightClick;     private System.Windows.Forms.Label lblMiddleClick;     private System.Windows.Forms.Label lblHover;     public frmMouseButtons() {         this.lblLeftClick = new System.Windows.Forms.Label();         this.lblRightClick = new System.Windows.Forms.Label();         this.lblMiddleClick = new System.Windows.Forms.Label();         this.lblHover = new System.Windows.Forms.Label();         this.SuspendLayout();         this.lblLeftClick.Location = new System.Drawing.Point(8, 8);         this.lblRightClick.Location = new System.Drawing.Point(8, 32);         this.lblRightClick.Size = new System.Drawing.Size(100, 32);         this.lblMiddleClick.Location = new System.Drawing.Point(8, 72);         this.lblHover.Location = new System.Drawing.Point(8, 104);         this.lblHover.MouseEnter += new System.EventHandler(this.lblHover_MouseEnter);         this.lblHover.MouseHover += new System.EventHandler(this.lblHover_MouseHover);         this.lblHover.MouseLeave += new System.EventHandler(this.lblHover_MouseLeave);         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);         this.ClientSize = new System.Drawing.Size(184, 198);         this.Controls.AddRange(new System.Windows.Forms.Control[] {                                       this.lblHover,                                       this.lblMiddleClick,                                       this.lblRightClick,                                       this.lblLeftClick});         this.MaximizeBox = false;         this.ResumeLayout(false);     }     protected override void OnMouseDown(MouseEventArgs e) {         switch (e.Button) {             case (MouseButtons.Left):                 lblLeftClick.Text = "Left Click";                 break;             case (MouseButtons.Middle):                 lblLeftClick.Text = "Middle Click";                 break;             case (MouseButtons.Right):                 lblLeftClick.Text = "Right Click";                 break;             case (MouseButtons.XButton1):                 lblLeftClick.Text = "XButton1 Click";                 break;             case (MouseButtons.XButton2):                 lblLeftClick.Text = "XButton2 Click";                 break;         }         switch (e.Clicks) {             case 1:                 lblMiddleClick.Text = "Single Click";                 break;             case 2:                 lblMiddleClick.Text = "Double Click!";                 break;             default:                 lblMiddleClick.Text = "Many clicks!";                 break;         }     }     protected override void OnMouseWheel(MouseEventArgs e) {         switch (e.Delta) {             case -360:                 lblRightClick.Text = "One Rotation Reverse";                 break;             case -720:                 lblRightClick.Text = "Two Rotations Reverse";                 break;             case 360:                 lblRightClick.Text = "One Rotation Forward";                 break;             case 720:                 lblRightClick.Text = "Two Rotations Forward";                 break;             default:                 lblRightClick.Text = "Rotation wasn't full turn of wheel";                 break;         }     }     protected void lblHover_MouseEnter(object sender, EventArgs e) {         lblRightClick.Text = "One Rotation Forward";         lblHover.Text = "Entering label";         Cursor = Cursors.NoMove2D;     }     protected void lblHover_MouseHover(object sender, EventArgs e) {         lblHover.Text = "Hovering over label";         Cursor = Cursors.Hand;         System.Diagnostics.Debug.WriteLine("hover");     }     protected void lblHover_MouseLeave(object sender, EventArgs e) {         lblHover.Text = "Leaving label";         Cursor = Cursors.Default;     }     [STAThread]     static void Main() {         Application.Run(new frmMouseButtons());     } }