acmFormatChooseHookProc - Win32 Multimedia Programmer's Reference

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acmFormatChooseHookProc

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

UINT ACMFORMATCHOOSEHOOKPROC acmFormatChooseHookProc(

HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
);

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
acmFormatChoose, MM_ACM_FORMATCHOOSE

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