title: Window handle debugging in Winforms
body: <p>I have a user that keeps getting this error.  Is there a tool that does window handle counting that i can use to figure out why he keeps getting this error.</p>
  
  <p>System.ComponentModel.Win32Exception: Error creating window handle.
     at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp)
     at System.Windows.Forms.Control.CreateHandle()
     at System.Windows.Forms.Form.CreateHandle()
     at System.Windows.Forms.Control.get_Handle()
     at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)</p>