Platform SDK: Exchange Server |
Extension objects should call this method just before they display or remove a modal dialog box, allowing the Microsoft Exchange client to enable or disable its modeless windows.
See IExchExtModelessCallback : IUnknown.
HRESULT EnableModeless( HWND hwnd, BOOL fEnable );
If an extension object calls the IExchExtModelessCallback::EnableModeless method when it creates or removes a modal window, the Microsoft Exchange client will disable or enable its modeless windows as appropriate.