ImageGear for C and C++ on Windows v19.10 - Updated
AT_IGGUI_DSPL_ZOOM
API Reference Guide > GUI Component API Reference > GUI Component Structures Reference > AT_IGGUI_DSPL_ZOOM

This structure is used by the IG_gui_dspl_zoom_dlg function to customize zooming options for the given image.

Declaration:

 
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typedef struct tag AT_IGGUI_DSPL_ZOOM
{
        DWORD cbSize;
        UINT uFlags;
        HIGEAR hIGear;
        DWORD dwGrpID;
        HWND hWnd;
        LPCHAR lpszTitle;
        AT_ERRCOUNT nErrCount;
        LPFNIGGUI_DSPL_UPDATE lpfnUpdateProc;
}AT_IGGUI_DSPL_ZOOM;

Members:

Name Type Description
cbSize DWORD Specifies the length, in bytes, of the structure.
uFlags UINT A set of bit flags you can use to initialize the dialog box.
hIGear HIGEAR A handle of an image.
dwGrpID DWORD An identifier of the group from which to get display options.
hWnd HWND A handle of the window to update.
lpszTitle LPCHAR A dialog title.
nErrCount AT_ERRCOUNT The number of ImageGear errors that occurred during this function call.
lpfnUpdateProc LPFNIGGUI_DSPL_UPDATE A pointer to the function that is called when the 'Apply' button is clicked.