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Editorial Team
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Asked: 2026-06-04T14:13:39+00:00

I am trying to make a WinAPI C++ program however I am running into

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I am trying to make a WinAPI C++ program however I am running into the following errors:

error: 'AW_SHOW' was not declared in this scope
error: 'AW_HIDE' was not declared in this scope
error: 'AW_BLEND' was not declared in this scope
error: 'AnimateWindow' was not declared in this scope
error: 'SW_MINIMISE' was not declared in this scope

I have tried using ::AnimateWindow however I recieve the same error.
This is my header file, included before windows.h

#ifdef WINVER
#undef WINVER
#endif

#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif

#define WINVER 0x0500
#define _WIN32_WINNT 0x0500

I have also tried setting the vars to 0x0502, and commenting out the preprocessor in Winuser.h for AnimateWindow.

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1 Answer

  1. Editorial Team

    have figured it out.

    The file in which the error was occurring was being included in my main.cpp, however it was included after windows.h in main.cpp.

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