Sorry for bad english.... My program works instead of standard shell Explorer. I it is necessary to do in program something like standard tray. Take any advices. For earlier thank you.

If you want to switch to full screen mode, in d3d use the Windowed parameter in PresentParameters. In directdraw have a look at the SetCooperativeLevel() function. Lorenz Prem Microsoft Corporation

I necessary that window there was over DirectX, for instance over game and in game possible there was orderly play.