Each window has a toolbar associated with it. Use the front panel window toolbar buttons to run and edit the VI. The following toolbar appears on the front panel window.
Click the Run button to run your VI. You do not need to compile your code; LabVIEW compiles it automatically. You can run a VI if the Run button appears as a solid white arrow, shown at left.
The Run button appears broken when the VI you are creating or editing contains errors. If the Run button still appears broken after you finish wiring the block diagram, the VI is broken and cannot run. Click this button to display the Error List window, which lists all errors and warnings.
Click Run Continuously to run the VI until you abort or pause execution. You also can click the button again to disable continuous running.
While the VI runs, the Abort Execution button appears. Click this button to stop the VI immediately if there is no other way to stop the VI. If more than one running top-level VI uses the VI, the button is dimmed.
Caution: The Abort Execution button stops the VI immediately before it finishes the current iteration. Aborting a VI that uses external resources, such as external hardware, might leave the resources in an unknown state by not resetting or releasing them properly. Design VIs with a stop button to avoid this problem.
Click Pause to pause a running VI. When you click the Pause button, LabVIEW highlights on the block diagram the location where you paused execution, and the Pause button appears red. Click the Pause button again to continue running the VI.
Select the Text Settings pull-down menu to change the font settings for the selected portions of your VI, including size, style, and color.
Click the Align Objects pull-down menu to align objects along axes, including vertical, edge, and left.
Click the Distribute Objects pull-down menu to resize multiple front panel objects to the same size.
Click the Resize Objects pull-down menu to resize multiple front panel objects to the same size.
Click the Reorder pull-down menu when your objects overlap each other and you want to define which one is in front or back of another. Select one of the objects with the Positioning tool and then select from Move Forward, Move Backward, Move To Front, and Move To Back.
Click the Show Context Help Window button to toggle the display of the context help window.
Enter Text appears to remind you that a new value is available to replace an old value. The Enter Text button disappears when you click it, press the <Enter> key, or click the front panel or block diagram workspace.
Tip: The <Enter> key on the numeric keypad ends a text entry, while the main <Enter> key adds a new line. To modify this behavior, select Tools»Options, choose Environment from the Category list, and place a checkmark in the End text entry with Enter key option.
It is important for a VI to have an intuitive and easy-to-read front panel. The front panel is essentially the gateway for all user input and output of a VI. Therefore it is essential that the programmer has good grasp of how to effectively program a front panel.
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