No way ! But aren´t you glad about the better redrawing instead of the DirectX-windowcontentscaling ?

Generally you can use Sprites for Alpha-Blending. Sprites are built-in Shaders with advanced support for Blending-Operations. Thats the simpliest for Blending and easy to study and zo use. ( "Built-in shaders" because the use their own meshes ). Then if you need World-View-Projection Matrices a tip: Look at the right ...

Hi, there ! I´ve tried the Bitmap Opacity Masking Example. Get it from here: http://msdn.microsoft.com/en-us/library/dd372307(VS.85).aspx The >Bitmap-Opacity-Mask< is always opaque and not transparent, I see no checkerboard thru. e.g. tried loading 8bit,32bit,straight,premueltiplied,tif,bmp  for it. Maybe you know how to fix this, ...

Yes, I know what you are meaning. its very difficult to get this, ive tried it. Sometimes it stopped my drawings, i wondered. Ive tried it directly in the message routine with another render() call, so you got two ones. But that doubles (theoretical) the rendering for one frame so you have manage it by yourself somehow to get only ...

Hi, there ! I´ve tried the Bitmap Opacity Masking Example. Get it from here: http://msdn.microsoft.com/en-us/library/dd372307(VS.85).aspx The >Bitmap-Opacity-Mask< is always opaque and not transparent, I see no checkerboard thru. e.g. tried loading 8bit,32bit,straight,premueltiplied,tif,bmp  for it. Maybe you know how to fix ...