Every VI displays an icon, shown at left, in the upper right corner of the front panel and block diagram windows. An icon is a graphical representation of a VI. It can contain text, images, or a combination of both. If you use a VI as a subVI, the icon identifies the subVI on the block diagram of the VI.
The default icon contains a number that indicates how many new VIs you have opened since launching LabVIEW.
Depending on the type of monitor you use, you can design a separate icon for monochrome, 16-color, and 256-color mode. LabVIEW uses the monochrome icon for printing unless you have a color printer.
Complete the following steps to create or edit a VI icon.
Use the Edit menu to cut, copy, and paste images from and to the icon. When you select a portion of the icon and paste an image, LabVIEW resizes the image to fit into the selection area. You also can drag a graphic from anywhere in your file system and drop it in the upper right corner of the front panel or block diagram. LabVIEW converts the graphic to a 32 × 32 pixel icon. You also can use the Set VI Icon method to set the icon of a VI from an image programmatically.
Use the Copy from option on the right side of the Icon Editor dialog box to copy from a color icon to a black-and-white icon and vice versa. After you click a Copy from option, click the OK button to complete the change.