UnregisterClass function user32

Win32Result<bool> UnregisterClass(
  1. PCWSTR lpClassName,
  2. HINSTANCE? hInstance
)

Unregisters a window class, freeing the memory required for the class.

To learn more, see learn.microsoft.com/windows/win32/api/winuser/nf-winuser-unregisterclassw.

Implementation

Win32Result<bool> UnregisterClass(PCWSTR lpClassName, HINSTANCE? hInstance) {
  resolveGetLastError();
  final result_ = _UnregisterClass(lpClassName, hInstance ?? nullptr);
  return .new(value: result_ != FALSE, error: GetLastError());
}