ImageGear for C and C++ on Windows v19.1 - Updated
IG_GUI_histogram_update
API Reference Guide > Core Component API Reference > Core Component Functions Reference > GUI Functions > GUI Histogram Functions > IG_GUI_histogram_update

This function updates the client area of the Histogram GUI window specified by hwndHistogram.

Declaration:

 
Copy Code 
AT_ERRCOUNT IG_GUI_histogram_update(
        HIGEAR hIGear, 
        DWORD dwGrpID, 
        HWND hwndHistogram 
);

Arguments:

Name Type Description
hIGear HIGEAR HIGEAR handle to the image.
dwGrpID DWORD Identifier of group where to get display options for creating palette.
hwndHistogram HWND Windows handle to the GUI Histogram window.

Return Value:

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Sample:

Display, GUI Windows

 

 

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