ControlDesigner.OnMouseDragBegin Method (Int32, Int32)


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Receives a call in response to the left mouse button being pressed and held while over the component.

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

protected virtual void OnMouseDragBegin(
	int x,
	int y


Type: System.Int32

The x position of the mouse in screen coordinates.

Type: System.Int32

The y position 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.

.NET Framework
Available since 1.1
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