Strain

What is strain? Strain by definition is the ratio of change in length with respect to the original length.   It is the measure of deformation of a specimen/material due to an applied force. Strain can be tensile(positive) or compressive(negative). It is an excellent indicator of mechanical strength of structural objects. How to measure strain? The most commonly used method […]

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CLD Certification – Preparation Resources

NI has recently included a new resource called CLD Success Package as part of their preparation E-Kit for users, which I thought is good starting point before working on sample exams[more info…]. LabVIEW Core3 training videos posted by National Instruments UK on Youtube, provide some important lessons in preparing for CLD. Also check out my other post Tips and Tricks […]

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Run-Time Shortcut Menu

Here we are going to discuss about creating run-time shortcut menu for a control programmatically. As a continuation to one of my previous posts, the control that we will consider here will again be a multicolumn listbox. We will see how to create a runtime shortcut menu and then insert the selected menu item into the corresponding cell as shown […]

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SubVI

A subVI is nothing different to a VI except that it can be called from another VI. A subVI is very similar to subroutines or functions in text based programming languages with a difference that it can debugged and tested independently. When building large applications, breaking a complex problem into smaller pieces makes it easy to achieve the objective. These […]

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Caption and Label

A control has both caption and label. On the block diagram, only label is visible. So keep it precise. Context help window will display labels as part of connector pane. On the front panel, both caption and label are visible. Captions are mainly used to display long descriptions. Captions can be changed through property nodes.

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Check box in Multicolumn Listbox

To insert a checkbox in the first column of MultiColumnListBox, in the front panel right click on the multicolumnlistbox and select Visible Items>>Symbols and enable it(tick mark). Then use itemnames and itemsymbols property nodes as shown below, to insert the checkbox or any other symbol from the list of itemsymbols provided by LabVIEW(Figue 1 & 2 respectively). The ring constant […]

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