In the header file WinUser.h, there is a part in which the constants of the second parameter of SetWindowLong() are defined. // ... #define GWL_WNDPROC (-4) #define GWL_HINSTANCE (-6) #define GWL_...

I have a window with a solid border around it. How can I remove the border (all of the non-client area) by using SetWindowLong and GetWindowLong?

What is the best way to Detect Window Move/Drag of other Processes? In Windows7 64-bit I'm currently investigating Global Hooks from a DLL using C++ & C#. It's a pain as it doesn't want to wor...

I want to P/Invoke to GetWindowLongPtr and SetWindowLongPtr, and I'm seeing conflicting information about them. Some sources say that, on 32-bit platforms, GetWindowLongPtr is just a preprocessor ...