Occurs when the user is pressing down a mouse button.

C# | Visual Basic |
protected override void OnMouseDown( MouseEventArgs e )
Protected Overrides Sub OnMouseDown ( _ e As MouseEventArgs _ )

- e (MouseEventArgs)
- Event arguments
C# | Visual Basic |
protected override void OnMouseDown( MouseEventArgs e )
Protected Overrides Sub OnMouseDown ( _ e As MouseEventArgs _ )