hwndParent (HWND) - input

Parent window handle of the created secondary frame window.

hwndOwner (HWND) - input

Requested owner-window handle of the created secondary frame.

pfnDlgProc (PFNWP) - input

Secondary window procedure for the created dialog window. 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

Passed to the secondary window procedure in the WM_INITDLG message.

hwnd (HWND) - returns

Returns the frame handle of the secondary window.