hwndParent (HWND) - input

Parent-window handle of the created dialog window.

HWND_DESKTOP

The desktop window
HWND_OBJECT
Object window
Other
Specified window.

hwndOwner (HWND) - input

Requested owner-window handle of the created dialog window.

The actual owner window is calculated using the algorithm specified below.

pfnDlgProc (PFNWP) - input

Dialog procedure for the created dialog window.

hmod (HMODULE) - input

Resource identity containing the dialog template.

NULLHANDLE

Use the application's .EXE file.
Other
Module handle returned from the DosLoadModule or DosQueryModuleHandle functions.

idDlg (ULONG) - input

Dialog-template identity within the resource file.

It is also used as the identity of the created dialog window.

pCreateParams (PVOID) - input

Pointer to application-defined data area.

This is passed to the dialog procedure in the WM_INITDLG message.

This parameter MUST be a pointer rather than a long.

hwndDlg (HWND) - returns

Dialog-window handle.

NULL

Dialog window not created
Other
Dialog window handle.

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