title: Out of Memory Exception was unhandled
body: <p>I am Developing project the min Form is Parent to the other Forms ( MDI Application ) 
  the all Child Forms in the running time are working ,, but when i click on the button that open the sales Form ,, the Project is Break down and give me this Error </p>
  
  <p>Error creating window handle.
  Out of Memory Exception was unhandled</p>
  
  <p>i am using Visual Studio 2008 and Develop using C# 3.5   </p>