09-22-2014 02:57 AM
ATTR_ZOOM_STYLE
control attribute to VAL_ZOOM_TO_RECT
, users can define a rectangular zone that will become the new limits of the graph. To select these bounds, press <Ctrl> and click and hold the left mouse button to define the first corner of the box. Drag the mouse to define the opposite corner of the rectangle. When you are satisfied with the new boundaries of the graph, release the mouse button.Solved! Go to Solution.
09-22-2014 03:00 AM
You may have missed the detail, noted in the document, that the graph control need not to be in indicator mode: set it as normal or hot for it to honour mouse/keyboard events and satisfy zooming requests.
09-22-2014 03:23 AM
Thank you very much !
I have done follow your instruct .Now is ok.
Thank you again. Exhilarating...