ImageGear for C and C++ on Windows v19.2 - Updated
IG_gui_dspl_zoom_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Display Functions > IG_gui_dspl_zoom_dlg

This function shows the dialog that allows you to customize zooming options for the given image.

Declaration:

 
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BOOL ACCUAPI IG_gui_dspl_zoom_dlg (
        HWND hWnd, 
        LPAT_IGGUI_DSPL_ZOOM lpDsplZoomData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpDsplZoomData LPAT_IGGUI_DSPL_ZOOM A pointer to the AT_IGGUI_DSPL_ZOOM structure.

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:

Display

Example:

 
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#include "IG_gui_common.h"
AT_IGGUI_DSPL_ZOOM DsplZoom;
memset (&DsplZoom,0,sizeof (DsplZoom));
DsplZoom.cbSize = sizeof (DsplZoom);
DsplZoom.hWnd = hWnd;
DsplZoom.hIGear = hIGear;
DsplZoom.dwGrpID = nGrpID;
IG_gui_dspl_zoom_dlg (hWnd, &DsplZoom);
InvalidateRect (hWnd,NULL,FALSE);
UpdateWindow (hWnd);