GetClassLongPtr not found
hi you good working helpers,
i am using the SetWindowLong function and want to change it to GetClassLongPtr' for 64bit support but i get this error:
`GetClassLongPtr' undeclared (first use this function)
i had the same problem with SetWindowLongPtr yesterday, but thats works today - i changed nothing on that code, i just sleeped a while.
i am using dev-cpp for compiling(i am writing with a texteditor and compiling with devcpp), it seems to be a little bit buggy - what can i do? it makes me sick changing the compiler everyday ... and i am not tired at the moment .
mfg stev, berlin