EditorGUIUtility.AddCursorRect
static function AddCursorRect(position: Rect, mouse: MouseCursor): void;
static function AddCursorRect(position: Rect, mouse: MouseCursor, controlID: int): void;
Parameters

position The rectangle the control should be shown within.
mouse The mouse cursor to use.
controlID ID of a target control.
Description

Add a custom mouse pointer to a control.

	function OnGUI()
	{
		// show the "Link" cursor when the mouse is howering over this rectangle.
		EditorGUIUtility.AddCursorRect (Rect(10,10,100,100), MouseCursor.Link);		
	}