# SplitView.IsPaneOpenSplitView.IsPaneOpenSplitView.IsPaneOpenSplitView.IsPaneOpen Property

## Definition

Gets or sets a value that specifies whether the SplitView pane is expanded to its full width.

``public : Platform::Boolean IsPaneOpen { get; set; }``
``````bool IsPaneOpen();

void IsPaneOpen(bool ispaneopen);``````
``public bool IsPaneOpen { get; set; }``
``Public ReadWrite Property IsPaneOpen As bool``
``````<SplitView IsPaneOpen="bool" .../>

``````
Property Value
bool bool

true if the pane is expanded to its full width; otherwise, false. The default is true.

## Remarks

The effects of this property are influenced by the value of the DisplayMode property.

DisplayModeEffect
InlineIsPaneOpen is true.
OverlayWhen IsPaneOpen is false, the pane is hidden.
CompactWhen IsPaneOpen is false, the pane is shown in its compact size (see CompactPaneLength ).