[Bug 31983] the delphi program cause the kwin error

https://bugs.winehq.org/show_bug.cgi?id=31983

--- Comment #9 from TOM  ---
Created attachment 52763
  --> https://bugs.winehq.org/attachment.cgi?id=52763
problem

this is the image that showing this problem.
the left windows is the main windows. 
but some windows application will create a empty windows. this empty window
will cause my windows manager work abnormal. especially to the focus of the
window. 
this is usually happened in the problem that original using delphin to develop.

this is test in wine-1.7.50