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

This function shows the dialog that allows you to change an image (device, clipping) rectangle.

Declaration:

 
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BOOL ACCUAPI IG_gui_dspl_rect_dlg (
        HWND hWnd, 
        LPAT_IGGUI_DSPL_RECT lpDsplRectData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpDsplRectData LPAT_IGGUI_DSPL_RECT A pointer to the AT_IGGUI_DSPL_RECT 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, Annotation

Example:

 
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#include "IG_gui_common.h"
AT_IGGUI_DSPL_RECT DsplRect;
memset (&DsplRect,0,sizeof(DsplRect));
DsplRect.cbSize = sizeof (DsplRect);
DsplRect.hWnd = hWnd;
DsplRect.hIGear = hIGear;
DsplRect.dwGrpID = nGrpID;
DsplRect.uRectType = IG_IGGUI_DSPL_RECTTYPE_IMAGE;
IG_gui_dspl_rect_dlg (hWnd, &DsplRect);
InvalidateRect (hWnd,NULL,FALSE);
UpdateWindow (hWnd);