ParentControlDesigner::OnMouseDragBegin Method (Int32, Int32)

 

Called 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
) override

Parameters

x
Type: System::Int32

The x-coordinate of the mouse in screen coordinates.

y
Type: System::Int32

The y-coordinate of the mouse in screen coordinates.

This method is called in response to the left mouse button being pressed on a component. The designer overrides the base form of this method to provide a "lasso" selection mechanism for components within the control.

System_CAPS_noteNote

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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