June 2001
Intermediate to advanced
706 pages
24h 10m
English
DefWindowProc
Passes a message to the default window procedure for default processing:
Public Declare Function DefWindowProc Lib "user32" _ Alias "DefWindowProcA" _ (ByVal hwnd As Long, ByVal wMsg As Long, _ ByVal wParam As Long, ByVal lParam As Long) As Long
hwnd
The handle of the window to which the message is directed.
uMsg
A constant that identifies the message being sent.
wParam
Extra information that the message can contain. This value is determined by the message.
lParam
Extra information that the message can contain. This value is determined by the message.
The return value depends on the message.
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