Ask Learn
Preview
Please sign in to use this experience.
Sign inParentControlDesigner.OnMouseDragBegin(Int32, Int32) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Called in response to the left mouse button being pressed and held while over the component.
protected:
override void OnMouseDragBegin(int x, int y);protected override void OnMouseDragBegin(int x, int y);override this.OnMouseDragBegin : int * int -> unitProtected Overrides Sub OnMouseDragBegin (x As Integer, y As Integer)- x
- Int32
The x-coordinate of the mouse in screen coordinates.
- y
- 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.
Note
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.
Applies to
| Product | Versions |
|---|---|
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |