winuser.h

About this tag
The winuser.h header is a core component of the Windows API, providing declarations for user interface functions and system services. Discussions on WindowsForum.com focus on practical programming challenges using functions declared in winuser.h, such as GetAsyncKeyState and GetKeyState for keyboard input handling. Developers share code snippets and troubleshooting advice for detecting key presses, managing virtual key codes, and handling state values like 0x8000. Common issues include unexpected behavior with key state functions, thread safety concerns, and proper usage of the header's macros and data types. The tag serves as a resource for C, C++, and other Windows API programmers seeking solutions to winuser.h-related problems.
  1. Akito

    Windows 10 GetKeyState weirding out? (Windows API)

    I am at the end of my wisdom and need some help. Here are the relevant parts of my code: proc isKeyPressed(virtKeyCode: int32, stateCode: SHORT): bool = if GetAsyncKeyState(virtKeyCode) and 0x8000 != 0: return true else: return false template checkKey(virtKeyCode: int32, keyValue...
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