My program never releases the memory back. Why?

Question

I have a MDI program. When It starts it takes 2-3MB of RAM. Then, in this program I create about 260 MDI child windows (each has a TStringGrid, a bitmap and some other contr

Answer 1

The main limitation of FastMM's memory leak tracing is that it can only run when you shut down the program. It could be that you're still holding references to objects or other data that gets cleaned up when you shut down the program, but stays around until then.

For example, when you close the MDI child windows, do you call Free or Release on them, or just make them disappear? If they're hidden but not freed, they'll still be in memory.