winapi - Draw an dual-dimensional array of HBITMAP with LoadImage() in Win32 with C++ -

I used the code in this reply for a reference:

What are the guidelines to attract the matrix of bitmap or its other ways?

Depending on the situation, understand it to pull your grid of bitmap together in a big bitmap Then, when you need to recreate your window then throw it over the screen. Especially if you need to attract a large number of small bitmaps, you can save a lot of time to rediscover the screen again.