CWPSTRUCT structure (winuser.h)
Defines the message parameters passed to a WH_CALLWNDPROC hook procedure, CallWindowProcW function/CallWindowProcA function.
Syntax
typedef struct tagCWPSTRUCT {
LPARAM lParam;
WPARAM wParam;
UINT message;
HWND hwnd;
} CWPSTRUCT, *PCWPSTRUCT, *NPCWPSTRUCT, *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
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Header | winuser.h (include Windows.h) |
See also
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