ImageGear for C and C++ on Windows v19.8 - Updated
IG_gui_dspl_transparency_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Display Functions > IG_gui_dspl_transparency_dlg

This function shows the dialog that allows you to set transparency settings for the given image.

Declaration:

 
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BOOL ACCUAPI IG_gui_dspl_transparency_dlg (
        HWND hWnd, 
        LPAT_IGGUI_DSPL_TRANSPARENCY lpDsplTransparencyData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpDsplTransparencyData AT_IGGUI_DSPL_TRANSPARENCY A pointer to the AT_IGGUI_DSPL_TRANSPARENCY structure.

Return Value:

If the user specifies parameters and clicks the OK button, the return value is nonzero. 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_TRANSPARENCY DsplTransparency;
memset (&DsplTransparency,0,sizeof(DsplTransparency));
DsplTransparency.cbSize = sizeof (DsplTransparency);
DsplTransparency.hWnd = hWnd;
DsplTransparency.hIGear = hIGear;
DsplTransparency.dwGrpID = nGrpID;
IG_gui_dspl_transparency_dlg (hWnd, &DsplTransparency);
InvalidateRect (hWnd,NULL,FALSE);
UpdateWindow (hWnd);