of</b> <b>object</b>;</p>
<p class="Decl"><b>type</b> TDragState = (dsNone, dsMove, dsSizeL, dsSizeT, dsSizeR, 
  dsSizeB, dsSizeTL, dsSizeTR, dsSizeBL, dsSizeBR);</p>
<h2>Description</h2>
<p class="Body">When <a href="../Properties/Options.htm">Options</a> contains <em>roConstrained</em> the <span class="EmptyRef">OnConstrain</span> event allows for constraining the size and position of the rubber band while it is being moved or resized using the mouse. This event 
  is called only when the user clicks and