GetSignalPlotAt always returns null for DigitalWaveformGraph
I am trying to use the GetSignalPlotAt method (DigitalWaveformGraph class) to return a signal plot so I can extract data in the vicinity of the mouse. The problem is that this method always returns...
View ArticleException.Inner Exception
InvalidOperationException was unhandled.An error occurred creating the form.See: Exception.InnerException for detailsThe error is:Internal Software error occurred in MIG software.Please contact NI Dear...
View ArticlePhosophersent graph
I'm looking for some example code of how to use the phosphorescent graph shown in this demonstration: http://www.ni.com/webcast/2863/en/ Sadly, there is no way to jump to a specific time in that...
View ArticleWhen using NationalInstruments.VisaNS, how can you determine when a write...
I am making a few calls using Write() and following that with a Query() to check for any errors. I need to know when the previsous Write operations are completed (by the instrument) before making the...
View ArticleVisual Basic 2010におけるGPIB制御構文について
常日頃よりお世話になっております。伊藤と申します。 初歩的な質問で大変恐縮ですが、検索しても情報が見つからないため、こちらに投稿させていただきます。 この度、貴社のGPIB-HS+を用いて測定機器を制御するソフトウェアを開発することになりました。【大まかな環境】・GPIB-HS+・Windows8.1、64bit・Visual Basic 2010 Express・ドライバはNI-488.2...
View ArticleAdding Measurement Studio 2013 merge modules to installshield installer
I am adding following Measurement Studio 2013 merge module file to my installshield installer.MStudioNetworkVariable.2012.msmThis is x86 merge modules as my installshield installer is also x86. When I...
View ArticleEndReadMultiSample as int16
Hello, i start a new program for my campany. And we used a Mesurement program to Input the voltage data as binary "int16" number. In this Formint16[] newdata = analogInReader.EndReadMultiSample(ar);...
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How to get parameters of a graphic object drawn using the CWIMAQViewer toolbar?
I use CWIMAQViewer on a WindowsForm (VB.NET) to display images from a CCD camera. I then draw a circle using the toolbar to enclose certain features in the image. I noticed that when I click on the...
View ArticleForcibly read data
Hello guys, How to forcibly read samples from Alchannel objects in a task before trigger signal comes? Thanks..
View ArticleBest method for plotting data array?
I am reading data from a Delta Motion controller and writing that data to an array in my vb.NET program. The data is not time stamped but I know what the sampling interval is (0.001s). I want to take...
View ArticleDoes Measurement Studio offer much for someone writing a basic control system?
I'm trying to weigh whether the added cost (and bulk) of Measurement Studio would be worth it for me vs simply using the free DAQmx libraries. My application wouldn't have any need for the custom...
View ArticleGraph Axes.RemoveAt ArgumentOutOfRangeException
Hi! I have a Graph with one horizontal and two vertical axes. I want to remove the second vertical. I do: MyGraph.Axes.RemoveAt(2); And get: System.ArgumentOutOfRangeException was unhandled I checked...
View ArticleSlice range must fall within the size of the buffer.
Hi, I am pretty baffled about this problem. I have a Graph binded with an array of Chartcollections. The charts are filled paralelly. Sometimes, quite randomly, I get this exception. In this case i had...
View Articlewpf graph different datas for plots vb.net
Hi Forum, I have a question concering WPF Graphs: I have an array of Point in my program like :my_XY_data() as Point which is filled with x,y datas Now I set the Graph1.datasource = my_XY_data() and...
View ArticleMemory optimized read method for digital input
Is there an equivalent for AnalogMultiChannelReader.MemoryOptimizedReadWaveform for the digital channel readers (e.g. "DigitalSingleChannelReader.MemoryOptimizedReadMultiSamplePortByte")?I found a...
View ArticleCan't get Graph.DataSource to work in WPF i (threading issue?)
My Graph is working beautifly when I use: chartCollection.Append(measurement.GHz, measurement.dB); But when I try to use this call in the same method, I get nothing on the graph: double[] data = new...
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Designer mode error.. VS2013
Hi, Something has changed in my PC. I can drag and drop NI controls into forms but those are not visible anymore when the form is reopened. Please see the following picture: I can compile the...
View ArticleUnable to find module
I'm using Meas Studio 2013 for VS2010 and having trouble building an installer for a C# program I wrote. I've followed the instructions "Deploying Measurement Studio Applications in Microsoft Visual...
View ArticleWPF controls range
Gentlemen, I am trying to programmically set the range of a slider control based on a selection of a list box. I tried the FreqSelect.Range = New Range(0, 600) and FreqSelect.Range = New...
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TypeLoadException crossed native/managed boundary
GenericArguments[1], 'NationalInstruments.Controls.Primitives.GraphDataCollectionDescriptor`1[NationalInstruments.Controls.ChartCollection`2[System.Double,System.Double]]', on...
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