Thanks! That worked !! Don't understand why there should be a difference but I'm sure you'll sort that out !!!

Hi Narcis,

I've tried that ... does not work ..... Any other suggestions?

I am using TChart's OnDblClick event in C++ to launch the editor using ShowEditor(). This works fine. However, when I close the editor, the chart is now waiting for a second click to define a zoom window. On clicking the chart goes into zoom mode. The chart has obviously recorded the first click of ...