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Replacing Front Panel Objects in LabVIEW

We can replace a front panel object with a different control or indicator. When we right-click an object and select Replace from the shortcut menu, a temporary Controls palette appears. Select a control or indicator from the temporary Controls palette to replace the current object on the front panel.

Selecting Replace from the shortcut menu preserves as much information as possible about the original object, such as its name, description, default data, dataflow direction (control or indicator), color, size, and so on. If we replace a numeric terminal with another numeric terminal, LabVIEW tries to preserve the original representation. However, if the control does not support the new data type, the new object retains its own data type. Wires from the terminal of the object or local variables remain on the block diagram, but they might be broken. For example, if we replace a numeric terminal with a string terminal, the original wire remains on the block diagram but is broken.

The more the new object resembles the object we are replacing, the more original characteristics we can preserve. For example, if we replace a slide with a different style slide, the new slide has the same height, scale, value, name, description, and so on. If we replace the slide with a string control instead, LabVIEW preserves only the name, description, and dataflow direction because a slide does not have much in common with a string control.

We can also Edit - Copy and Paste to copy objects to the clipboard and paste them from the clipboard to replace existing front panel controls and indicators. This method does not preserve any characteristics of the old object, but the wires remain connected to the object.



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