CWPSTRUCT info  Overview  Group

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

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, SetWindowsHookEx