Adds the specified icon to the image list.
Namespace:
Aurigma.GraphicsMill.WinControls
Assembly:
Aurigma.GraphicsMill.WinControls (in Aurigma.GraphicsMill.WinControls.dll)
Type: System.IntPtr
A handle to the icon that should be added to the current image list.Type: System.Object
A key corresponding to the icon.