GetOpenFileName

GetOpenFileName

The GetOpenFileName function creates an Open common dialog box that lets the user specify the drive, directory, and the name of a file or set of files to open.

BOOL GetOpenFileName(

LPOPENFILENAME lpofn	// address of structure with initialization data
);

Parameters

lpofn

Pointer to an OPENFILENAME structure that contains information used to initialize the dialog box. When GetOpenFileName returns, this structure contains information about the user's file selection.

Return Values

If the user specifies a filename and clicks the OK button, the return value is nonzero. The buffer pointed to by the lpstrFile member of the OPENFILENAME structure contains the full path and filename specified by the user.

If the user cancels or closes the Open dialog box or an error occurs, the return value is zero. To get extended error information, call the CommDlgExtendedError function, which can return one of the following values:

CDERR_FINDRESFAILURE	CDERR_NOHINSTANCE
CDERR_INITIALIZATION	CDERR_NOHOOK
CDERR_LOCKRESFAILURE	CDERR_NOTEMPLATE
CDERR_LOADRESFAILURE	CDERR_STRUCTSIZE
CDERR_LOADSTRFAILURE	FNERR_BUFFERTOOSMALL
CDERR_MEMALLOCFAILURE	FNERR_INVALIDFILENAME
CDERR_MEMLOCKFAILURE	FNERR_SUBCLASSFAILURE

Remarks

By default, Windows 95 and Windows NT version 4.0 display a new version of the Open dialog box that provides user-interface features that are similar to the Windows Explorer. You can provide an OFNHookProc hook procedure for an Explorer-style Open dialog box. To enable the hook procedure, set the OFN_EXPLORER and OFN_ENABLEHOOK flags in the Flags member of the OPENFILENAME structure and specify the address of the hook procedure in the lpfnHook member.

Windows 95 and Windows NT 4.0 continue to support the old-style Open dialog box for applications that want to maintain a user-interface consistent with the Windows 3.1 or Windows NT 3.51 user-interface. To display the old-style Open dialog box, enable an OFNHookProcOldStyle hook procedure and ensure that the OFN_EXPLORER flag is not set.