how can I get the data point on the graph xy where I mouse clicked?

[IgG]

dear all,
Graph XY displays my data curves, I want to use mouse to pick up the point on the curve.
then I need to record those point value
is there  any such VI could be used to get this purpose done?

thanks

Jack

[kehander]

Create a new Cursor and set it to lock to the plot. Then create a property node for the graph and use the Cursor.PosX and Cursor.PosY properties to get the cursor position. Make sense?