Is it possible to delete a plot with using mouse to select it on the graph control?

For example, when I use PlotLine to plot thousands of lines on the graph control, I want to delete some of them, but there is thousands of plotHandle generated.
How can I get the plotHandle of the specific line on the graph control with using mouse to select it?
If I record information of the lines, ex. the plotHandle and the coordinates, on a table or list, etc. , I have to compare the information of lines to get the plotHandle of the specific line.
Is there any user-friendly way to delete a plot by select it on the graph control?
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Sure! Look at the example located in \samples\userint\graphcursors for an example of how to accomplish this task.
Briefly:
The cursor must be in "Snap to point" mode
(To be confirmed) The graph must be in "Retain" data mode
You must have a callback for the graph control
You can use GetGraphCursorIndex to retrieve the plot handle
GetGrpahCursor retrieves values of cursor position in engineering units
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