| DefMDIChildProc The DefMDIChildProc function provides default processing for any window message that the window procedure of a multiple document interface (MDI) child window does not process. A window message not processed by the window procedure must be passed to the DefMDIChildProc function, not to the DefWindowProc function. VB4-32,5,6
Declare Function DefMDIChildProc Lib "user32" Alias "DefMDIChildProcA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long |
| Operating Systems Supported |
| Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· hWnd
Identifies the MDI child window.
· uMsg
Specifies the message to be processed.
· wParam
Specifies additional message-specific information.
· lParam
Specifies additional message-specific information. |
| The return value specifies the result of the message processing and depends on the message. |
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