This code build a transparent top level form (mandatory .i set opacity=210 for best contrast) and populate with some vfp controls.when releasing the form the screen becomes entirely full of black transparent and a messagebox raises to ask if you want...

The visual foxpro gdiplusX library can be downloaded at the vfpx codeplex (throw vfp users efforts) https://vfpx.codeplex.com/releases/view/15083 there is a complet proj you can recompile to system.app used in this code.The stable version is: GDIPlusX_Source_v1.20 *begin...