WindowProc
The WindowProc
function is an application-defined callback function that processes messages
sent to a window.
LRESULT CALLBACK WindowProc(
|
HWND hwnd, |
// handle of window |
|
UINT uMsg, |
// message
identifier |
|
WPARAM wParam, |
// first message
parameter |
|
LPARAM lParam |
// second message
parameter |
|
); |
|
Parameters
hwnd
Identifies
the window.
uMsg
Specifies the
message.
wParam
Specifies
additional message information. The contents of this parameter depend on the
value of the uMsg parameter.
lParam
Specifies
additional message information. The contents of this parameter depend on the
value of the uMsg parameter.
Return Values
The return
value is the result of the message processing and depends on the message sent.
Remarks
WindowProc is a placeholder for the application-defined function
name.
See Also