I am drawing to a dialog (when DIALOG_MESSAGE_UPDATE sent) using mdlWindow_rgbDataDraw();. The initial image displays fine but when I change the image (mdlWindow_rgbDataDraw is called with new image data), the display does not update with the new image until I either resize the dialog, drag the dialog off and back on the screen or call mdlWindow_updateAllWindows().
So my question is this: How do I force my dialog to redraw like mdlWindow_updateAllWindows() does? I dont want all windows to update, just my dialog.