RealGetWindowClassA function (winuser.h)

Retrieves a string that specifies the window type.

Syntax

C++

UINT RealGetWindowClassA(
  [in]  HWND  hwnd,
  [out] LPSTR ptszClassName,
  [in]  UINT  cchClassNameMax
);

[in] hwnd

Type: HWND

A handle to the window whose type will be retrieved.

[out] ptszClassName

Type: LPTSTR

A pointer to a string that receives the window type.

[in] cchClassNameMax

Type: UINT

The length, in characters, of the buffer pointed to by the pszType parameter.

Type: UINT

If the function succeeds, the return value is the number of characters copied to the specified buffer.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	winuser.h (include Windows.h)
Library	User32.lib
DLL	User32.dll