CWPSTRUCT structure
Applies to: desktop apps only
Defines the message parameters passed to a WH_CALLWNDPROC hook procedure, CallWndProc.
Syntax
typedef struct tagCWPSTRUCT {
LPARAM lParam;
WPARAM wParam;
UINT message;
HWND hwnd;
} CWPSTRUCT, *PCWPSTRUCT, *LPCWPSTRUCT;
Members
- lParam
-
Type: LPARAM
-
Additional information about the message. The exact meaning depends on the message value.
- wParam
-
Type: WPARAM
-
Additional information about the message. The exact meaning depends on the message value.
- message
-
Type: UINT
-
The message.
- hwnd
-
Type: HWND
-
A handle to the window to receive the message.
Requirements
|
Minimum supported client | Windows 2000 Professional |
|---|---|
|
Minimum supported server | Windows 2000 Server |
|
Header |
|
See also
- Reference
- CallWndProc
- SetWindowsHookEx
- Conceptual
- Hooks
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Build date: 2/3/2012