The RegisterClassEx function registers a window class for subsequent use in calls to the CreateWindow or CreateWindowEx function. The RegisterClass function does not allow you to set the small icon.
ATOM RegisterClassEx(
CONST WNDCLASSEX *lpwcx |
// address of structure with class data |
); |
If the function succeeds, the return value is an atom that uniquely identifies the class being registered.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
All window classes that an application registers are unregistered when it terminates.
Windows 95: RegisterClassEx fails if the cbWndExtra or cbClsExtra member of the WNDCLASSEX structure contains more than 40 bytes.
CreateWindow, CreateWindowEx, GetClassInfoEx, GetClassName, RegisterClass, UnregisterClass, WindowProc,WNDCLASSEX
file: /Techref/os/win/api/win32/func/src/f72_13.htm, 2KB, , updated: 2000/4/7 11:19, local time: 2024/12/7 19:25,
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