ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / GUI Component API Reference / GUI Component Callback Functions Reference / FNIGGUI_DSPL_UPDATE
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    FNIGGUI_DSPL_UPDATE
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    This function is called by ImageGear to let your application update image display in a custom way.

    Declaration:

     
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    VOID FNIGGUI_DSPL_UPDATE(
      HIGEAR hIGear, 
      DWORD dwGrpID, 
      HWND hWnd
);

    Arguments:

    Name Type Description
    hIGear HIGEAR The HIGEAR handle of the image.
    dwGrpID DWORD Display group ID.
    hWnd HWND The handle of the parent window.

    Return Value:

    Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

    Supported Raster Image Formats:

    All formats supported by ImageGear.

    Sample:

    None

     

     

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