ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / GUI Component API Reference / GUI Component Functions Reference / Load Functions / IG_gui_load_filename_dlg_W
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    IG_gui_load_filename_dlg_W
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    This function shows the file open dialog and returns the file name to load, specified as a wide string (UTF-16).

    Declaration:

     
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    BOOL ACCUAPI IG_gui_load_filename_dlg_W (
            HWND hWnd, 
            LPAT_WCHAR lpwszTitle, 
            LPAT_WCHAR lpwszpFileName, 
            UINT nFNameSize, 
            LPAT_MODE lpnFormatID
    );
    

    Arguments:

    Name Type Description
    hWnd HWND Handle of the parent window.
    lpwszTitle LPAT_WCHAR Dialog title.
    lpwszpFileName LPAT_WCHAR Pointer to the file name buffer.
    nFNameSize UINT File name buffer size.
    lpnFormatID LPAT_MODE Format ID.

    Return Value:

    If the user specifies parameters and clicks the OK button, the return value is non-zero. If the user cancels or closes the dialog box or an error occurs, the return value is zero.

    Supported Raster Image Formats:

    All pixel formats supported by ImageGear for C and C++.

    Sample:

    GUI Windows

    Example:

     
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    #include "IG_gui_common.h"
    IG_gui_load_filename_dlg_W(hWnd, NULL, wszFile, sizeof(wszFile), NULL);
    

    Remarks:

    This function also shows the format identifier if the format is detected.