LabVIEW Controls Palette

　　The Controls palette provides the input controls and display controls required to create program panels such as virtual instruments, and is only located in the front panel window. Select "View → Controls Palette" from the menu bar or right-click the blank area of ​​the front panel window to open the Controls palette; click " " in the upper right corner of the Controls palette to close the Controls palette. The Controls palette includes controls in the new, system, classic, and Express modes, as well as other toolkits and user-defined controls that are selected for installation, as shown in Figure 1.
   
　　In the new, classic, and system modes, controls are classified into different sub-palettes according to the types of input controls and display controls. The sub-palettes include numeric controls (such as slide bars and knobs), Boolean controls (such as buttons and switches), strings and paths, arrays, clusters, list boxes, tree controls, graphics, tables, drop-down list controls, enumeration controls, and container controls, as shown in Figure 2. The black triangle displayed in the upper right corner of the icon indicates that the palette contains sub-palettes.

　　Figure 1 Controls palette

　　Figure 2 New control sub-palette

　　The sub-palettes and their functions in the new control are shown in Table 1.

　　Table 1 Sub-palettes and their functions in the new control

　　Use the buttons on the Controls palette toolbar to configure the palette. Table 2 lists the icons and functions of the Controls palette toolbar buttons.

　　Table 2 Icons and functions of the Controls palette toolbar buttons