ImageGear for C and C++ on Windows v19.10 - Updated
IG_gui_load_page_dlg_W
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Load Functions > IG_gui_load_page_dlg_W

Shows the file open dialog and returns the file name and the page number to load, specified as a wide string (UTF-16). It returns the format identifier if the format is detected.

Declaration:

 
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BOOL ACCUAPI IG_gui_load_page_dlg (
        HWND hWnd, 
        LPAT_WCHAR lpwszTitle, 
        LPAT_WCHAR lpwszFileName, 
        UINT nFNameSize, 
        LPAT_MODE lpnFormatID, 
        LPUINT lpnPage
);

Arguments:

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

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, PDF Demo

Example:

 
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#include "IG_gui_common.h"
IG_gui_load_page_dlg_W(hWnd, NULL, wszFile, sizeof(wszFile), NULL, &nPage);