ControlPaint.DrawContainerGrabHandle Method (Graphics, Rectangle)
Draws a container control grab handle glyph on the specified graphics surface and within the specified bounds.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Grab handles are used by containers to indicate to the user that the user can directly manipulate the containers. The manipulation can consist of actions such as sizing and moving.
Available since 1.1