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ParentControlDesigner.OnMouseDragMove Method

Called for each movement of the mouse during a drag-and-drop operation.

Namespace: System.Windows.Forms.Design
Assembly: System.Design (in

protected override void OnMouseDragMove (
	int x,
	int y
protected void OnMouseDragMove (
	int x, 
	int y
protected override function OnMouseDragMove (
	x : int, 
	y : int
Not applicable.



The x-coordinate of the mouse in screen coordinates.


The y-coordinate of the mouse in screen coordinates.

This method is called at the start of a drag-and-drop operation.


You can pass a point in screen coordinates to the PointToClient method of the Control class to obtain the coordinates of the point relative to the upper-left corner of the control.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0