hwndParent (HWND) - input

The parent window handle of the WinCreateSecondaryWindow frame.

hwndOwner (HWND) - input

The owner-window handle of the WinCreateSecondaryWindow frame.

pfnDlgProc (PFNWP) - input

The secondary window procedure for CreateDialogWindow. This is a dialog procedure, except that it calls WinDefSecondaryWindowProc.

hmod (HMODULE) - input

Module handle for resource module.

idDlg (ULONG) - input

Resource ID of dialog template in the resources of module hmod.

pCreateParams (PVOID) - input

This is passed to the secondary window procedure in the WM_INITDLG message.

rc (ULONG) - returns

Return the result passed to WinDismissSecondaryWindow.