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Scaling Front Panel Objects in LabVIEW

We can set front panel objects to scale, or automatically resize in relation to the pane size when we resize the pane. We can set one object on the front panel to scale, or we can set all objects on an owning pane to scale. However, we cannot set multiple objects to scale on the front panel unless we set all of them to scale, we group the objects first, or the objects are on separate panes. We can also set a single object to fill a pane.

To set a single object to scale automatically when the pane resizes, right-click the object and select Scale Object with Pane from the shortcut menu. If we set a single front panel object to scale, the object resizes itself automatically in relation to any change in the pane size. The other objects on the front panel reposition themselves to remain consistent with their previous placement on the front panel but do not scale to fit the new size of the pane.

Immediately after we designate a single object on the front panel to scale automatically, gray lines outline several regions on the front panel. The regions define the positions of the other front panel objects in relation to the object we want to scale. When we resize the pane, the object we set to scale automatically resizes and repositions itself relative to its original location. The gray lines disappear when we run the VI.

To set objects in an owning pane to scale automatically while the pane resizes, right-click a splitter bar and select Pane Sizing - Scale Objects While Resizing from the shortcut menu. An item that scales on the pane will scale while we are resizing the pane instead of when we are finished resizing the pane. To set all objects in an owning pane to scale automatically when the pane resizes, right-click a splitter bar and select Pane Sizing - Scale all Objects with Pane from the shortcut menu of the appropriate pane. If we set all objects on a pane to scale, all objects resize and reposition automatically in relation to any change in the pane size. If we set all objects on a pane to scale and a single object on the pane is already set to scale, a dialog box appears that prompts us to select between setting automatic scaling for the one object or for all objects on the pane. We can also use the Set Scaling Mode method to set all the pane's objects to scale programmatically.

When LabVIEW scales objects automatically, it follows the same conventions as to when we resize an object manually. For example, some objects can resize only horizontally or vertically, and the font size remains the same when we resize an object.

After LabVIEW automatically scales an object, the object might not scale back to its exact original size when we size the pane back to its original position. Before we save the VI, select Edit - Undo to restore the original front panel window and object sizes.

We can set an array to scale or set the objects within an array to scale. If we set the array to scale, we adjust the number of rows and columns we can see within the array. If we set the objects within the array to scale, we always see the same number of rows and columns, though different sizes, within the array.

We can also set a cluster to scale or set objects within the cluster to scale. If we set a cluster to scale, the objects within the cluster do not scale. If we set objects within the cluster to scale, the cluster does not scale unless we right-click the cluster and select AutoSizing - Size to Fit from the shortcut menu.

To set a single object to fill the pane, right-click the object and select Fit Control to Pane from the shortcut menu. The object should be the only object in the pane, otherwise, other objects are overlapped by the object we select to fit the pane. The object resizes itself to fill the pane and automatically resizes in relation to any change in the pane size.



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