Overview
Group
Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
-
Header File
winuser.h
Unicode
No
Platform Notes
None

CWPSTRUCT

The CWPSTRUCT structure defines the message parameters passed to a WH_CALLWNDPROC hook procedure.

typedef struct tagCWPSTRUCT { // cwps

LPARAM lParam;

WPARAM wParam;

UINT message;

HWND hwnd;

} CWPSTRUCT;

Members

lParam

Specifies additional information about the message. The exact meaning depends on the message value.

wParam

Specifies additional information about the message. The exact meaning depends on the message value.

message

Specifies the message.

hwnd

Identifies the window to receive the message.

See Also

CallWndProc
, SetWindowsHook, SetWindowsHookEx

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