ImageGear for C and C++ on Windows v20.0 - Updated
IG_GUI_page_document_update
API Reference Guide > Core Component API Reference > Core Component Functions Reference > GUI Functions > GUI Page Functions > IG_GUI_page_document_update

This function should be called when one or more of the images in the page sorter window has been modified (i.e., rotated, cropped, flipped).

Declaration:

 
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AT_ERRCOUNT ACCUAPI IG_GUI_page_document_update (
        HWND hwndPage, 
        DWORD dwGrpID 
);

Arguments:

Name Type Description
hwndPage HWND Windows handle to the page sorter window to update.
dwGrpID DWORD Identifier of display group should be used for drawing thumbnail in the GUI page.

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:

None

Remarks:

Any modified image will be repainted in the page sorter window. To update just one particular image, use IG_GUI_page_document_refresh().

Also see IG_GUI_page_update() and IG_GUI_page_window_create() functions.

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