acmFormatChooseHookProc  CO4BY0 

The acmFormatChooseHookProc function specifies a user-defined function that hooks the acmFormatChoose21ZW2Z0 dialog box. The acmFormatChooseHookProc name is a placeholder for an application-defined name.

UINT ACMFORMATCHOOSEHOOKPROC acmFormatChooseHookProc(

Parameters

hwnd

Window handle for the dialog box.

uMsg

Window message.

wParam and lParam

Message parameters.

Remarks

If the hook function processes one of the WM_CTLCOLOR messages, this function must return a handle of the brush that should be used to paint the control background.

A hook function can optionally process the MM_ACM_FORMATCHOOSE message.

You should use this function the same way as you use the Common Dialog hook functions for customizing common dialog boxes.

See Also