WPF IntensityGraph, value of the display on the mouse event cell
Is there a way to display the value of a cell in a popup "as ToolTip' when you click over/hover anywhere on IntensityGraph?
Thank you
Using the technique of the point value of graphic display WPF overview, this is a specific version for intensity data:
private static readonly GraphQueryArgs query = new GraphQueryArgs(
PlotsToSearch.Any, SearchDimensions.HorizontalAndVertical,
SearchDirections.ForwardAndReverse, isInclusive: true );
public MainWindow( ) {
InitializeComponent( );
graph.PlotAreaMouseMove += this.OnPlotAreaMouseMove;
graph.PlotAreaMouseLeave += delegate { graph.ToolTip = null; };
ToolTipService.SetInitialShowDelay( graph, 0 );
ToolTipService.SetShowDuration( graph, int.MaxValue );
}
private void OnPlotAreaMouseMove( object sender, MouseEventArgs e ) {
IPlot plot = graph.AllPlots[0];
Point screenPosition = graph.GetPlotAreaPosition( e );
Point relativePosition = graph.ScreenToRelative( screenPosition );
PlotValue nearestValue = graph.FindNearestValue( plot, relativePosition, query );
if( nearestValue != null )
graph.ToolTip = string.Format(
"Nearest intensity value is {2} at ({0},{1}).",
nearestValue.Value.Cast
}
Tags: NI Software
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Scale value Maker the mouse pointer display
[http://picasaweb.google.com/lh/photo/lpP1mX7pTd4R_ePr89fw7w0hA5i5v2I0J6LQTHStSe0?feat=directlink]
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http://obiee101.blogspot.com/ -
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ni:Cursor x:Name="cursor" />
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Code
private void OnPlotAreaMouseMove( object sender, MouseEventArgs e ) {
IPlot plot = graph.AllPlots[0];
Point screenPosition = graph.GetPlotAreaPosition( e );
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