How to get path of a VI used in LV project?
How can I get the path of a VI used in LabVIEW project?
Actually I want to replace the VI used in LV project by saome other VI, and I think it can be done if I get the path of the VI already present in project and replace that path with path of the VI which I want to include in that project.
There are several ways to replace a VI, say "MyFirstVI", with another, say "MySecondVI". The method you use will depend on several factors, including
the version of LabVIEW you are running
whether the VIs are in a LabVIEW Project or not (if they are, I'm assuming they are in the same Project)
whether you want to replace all MyFirstVI instances with MySecondVI, or selected ones
the size (number of VIs) of the Project.
As noted, if you want to replace all of MyFirstVI with MySecondVI in a Project, here is one way to do this:
Close the Project. You do not want to do this with Project open.
Rename MyFirstVI to MyOldFirstVI.
Rename MySecondVI to MyFirstVI. If MySecondVI already exists in the Project, you might want to Copy it instead of Rename.
Open the Project. Find and open an instance of MyFirstVI, verify it has the code of MySecondVI.
In Project Explorer, find MyFirstVI and rename it MySecondVI.
Exit Project. Rename MyOldFirstVI back to MyFirstVI.
At this point, all of your VIs have their "original" names, but in, say, Main.vi, wherever MyFirstVI was called, you should see MySecondVI.
For doing selective Replacement (or even total replacement where you want to actually see all of the instances where replacements are made), you can use QuickDrop to your advantage. You need to have in memory the VIs that use MyFirstVI, and also have MySecondVI in memory. With the Project open and the relevant VIs in memory:
Open any VI that shows MyFirstVI on the Block Diagram. Right-click it and choose "Find All Instances".
When the search is done, you need to "visit" each of the found VIs -- use Ctrl-G to do this.
When you find an instance of MyFirstVI, type Ctrl-Space to activate QuickDrop, start typing MySecondVI until it appears on the Selection line (if you are lucky, you will only need to type MySec and it will find the correct VI), then type Ctrl-P to replace MyFirstVI with MySecondVI.
Type another Ctrl-G to go to the next instance of MyFirstVI and replace as needed. When you've replaced all of them (or all that you want to replace), stop.
Bob Schor
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