This function updates the client area of the Histogram GUI window specified by hwndHistogram.
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AT_ERRCOUNT IG_GUI_histogram_update(
HIGEAR hIGear,
DWORD dwGrpID,
HWND hwndHistogram
);
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| Name | Type | Description |
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| 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. |
Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.
All pixel formats supported by ImageGear for C and C++.
Display, GUI Windows