Parameters

hWnd

The window handle of the message to send.

msg

The Win32 message to send.

wparam

The wparam to send with the message.

lparam

The lparam to send with the message.

Returns

The result of the message processing, which is dependent on the message sent.

Remarks

Control is transferred here when messages are sent to the owner window of the common dialog box. Inheriting classes can override this method to add specific functionality to a common dialog box.

Requirements