Call this function each time the mouse is moved across the web view during a drag operation (after calling DragTargetDragEnter and before calling DragTargetDragLeave/DragTargetDrop). This function is only used when window rendering is disabled.
Call this function each time the mouse is moved across the web view during a drag operation (after calling DragTargetDragEnter and before calling DragTargetDragLeave/DragTargetDrop). This function is only used when window rendering is disabled.