title: mouse drag & drop
body: <p>how to implement mouse drag&amp;drop process
  example 
  SetCursorPos(32, 32);
  mouse_event((uint)MouseEventFlags.RIGHTDOWN,0,0 ,0,0); 
  mouse_event((uint)MouseEventFlags.RIGHTUP,0,0 ,0,0); 
  SetCursorPos(38, 38);
  mouse_event((uint)MouseEventFlags.LEFTDOWN,0,0 ,0,0);<br>
  mouse_event((uint)MouseEventFlags.LEFTUP,0,0 ,0,0); </p>
  
  <p>this is code for open whatever in topleft of the screen 
   how to implement the drag &amp; drop in this particular code or anyotherways?</p>