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speed of charting


djdjoko
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Hi,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

 

I am currently evaluating the ChartFX for winforms control. The application I work on requires quite frequently redraw of the graphs. I have created a sample application that generates 100 random graphs and plots them on the screen. It seems to do it very slowly as it needs almost 20 seconds to update 100 simulated graphs of 5 series with each having 100 points. Any ideas if the speed can be increased since this is definitely too slow. The code I am using is: 

 

Public Function Simulate() as TimeSpan

 

Dim i As Integer, j As Integer, k As Long, n As DateTime, numLines as Integer, numPoints as integer, numSimulations as Integer

 

numLines = 5: numPoints = 100: numSimulations = 100

 

ChartFX1.Data.Series = numLines

 

ChartFX1.Data.Points = numPoints

 

n = Now()

 

For k = 0 To numSimulations

 

Dim y(numLines - 1)() As Double, x() As Double

 

For i = 0 To numLines - 1

 

ReDim y(i)(numPoints - 1)

 

Next

 

ReDim x(numPoints - 1)

 

 

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