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CWindow.SetControlCallbackmethod

Optional address of a callback function that receives all WM_COMMAND and WM_NOTIFY messages for the control.

WindowsmethodCWindow.incdocumented

Syntax

FUNCTION SetControlCallback (BYVAL hCtl AS HWND, BYVAL pCallback AS ANY PTR) AS BOOLEAN
FUNCTION SetControlCallback (BYVAL cID AS LONG, BYVAL pCallback AS ANY PTR) AS BOOLEAN

Parameters

NameDescription
hCtlThe handle of the control.
pCallbackA pointer to a window procedure. You can use PROCPTR to get the pointer, e.g. PROCPTR (MyCallbackProc).

Return value

TRUE if the subclass callback was successfully installed; otherwise, FALSE.

Description

Optional address of a callback function that receives all WM_COMMAND and WM_NOTIFY messages for the control.

Reference

  • Include file CWindow.inc
  • Defined in AfxNova/CWindow.inc:2127
  • Documented in Windows/Windows GUI/CWindow Class.md
  • Topic: CWindow Class