Archives by Tag 'LabVIEW'

How to Get the Text of Enum’s Item Name in LabVIEW

By Ralph - Last updated: Thursday, July 1, 2010

In LabVIEW, if we want to get the text of an enum’s item name, we can do that as following: In case of an enum control or indicator, we can simply use property node with the "String[]" property to get the text of item name. A sample LabVIEW VI to get the text looks like [...]

How to Change Combo Box at Run Time in LabVIEW

By Ralph - Last updated: Tuesday, June 29, 2010

It will be very useful if we can change the strings of combo box in run time in LabVIEW. For example, if our LabVIEW application allows user to change the test sequence of UUT at run time and we store that test sequence in combo box, then we will need this. In fact, it is [...]

How to Ignore CR LF ASCII Codes in Serial Receive with LabVIEW

By Ralph - Last updated: Monday, March 8, 2010

In one of my recent LabVIEW projects, my application needs receive the message which send by an ECU unit, and to store the message exactly as it send. And the content of the message is hex data, every byte of this message has a specific meaning to this ECU unit, and I need these data [...]

How to Run Several Instances of a VI at the Same Time in LabVIEW

By Ralph - Last updated: Wednesday, February 10, 2010

Sometimes, it needs to run several instances of a VI at the same time in our LabVIEW projects, like open pop-up dialog boxes. How can we realize it? In fact, it is quiet simple. We just set the pop-up dialog box VI to be reentrant. In the dialog box VI’s menu, select File>>VI Properties. Then, [...]

How to Create a Programmatically Changed Text Label In LabVIEW

By Ralph - Last updated: Wednesday, February 10, 2010

In LabWindows/CVI, we can create a free label text control on the front panel and change its text and appearance in program as we wish. But, this can not be realized in LabVIEW,  because the free text label in LabVIEW can only be changed in edit mode, there is no way to change it in [...]

The Difference Between Chart and Graph in LabVIEW

By Ralph - Last updated: Sunday, January 31, 2010

We can use chart and graph to display our acquired data or waveforms. In general, they looks alike, but there still is difference between them which we should note in our VI programming. The difference is: Chart control has a data buffer which can be used to store some length of history data. Graph control [...]

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