LONG DefWindowProc(hWnd,wMsg,wParam,lParam)
This function provides default processing for any Windows messages that a given application does not process. All window messages that are not explicitly processed by the class window function must be passed to the DefWindowProc function.
| Parameter | Type/Description |
| hWnd | HWND Identifies the window that passes the message. | |
| wMsg | WORD Specifies the message number. | |
| wParam | WORD Specifies 16 bits of additional message-dependent information. | |
| lParam | DWORD Specifies 32 bits of additional message-dependent information. |
The return value specifies the result of the message processing and depends on the actual message sent.
The source code for the DefWindowProc function is provided on the SDK disks.