C# deallocate memory referenced by IntPtr

Question

I am using some unmanaged code that is returning pointers (IntPtr) to large image objects. I use the references but after I am finished with the images, I need to free that

Answer 1

It depends. Do you have any documentation (or source code) for the native functions you are calling?

Native code doesn't have a single deallocation function. This is one of the great advantages of the CLR.

If I was a betting man, I'd go for GlobalFree. But it's not going to be much fun trying various APIs until your code stops crashing.