Tree Lines in WinUI TreeView

18 Nov 20183 minutes to read

The TreeView allows you to show the tree lines for TreeView nodes by setting the ShowLines property to true. The default value is false.

<treeView:SfTreeView Name="treeView" ShowLines="True" />
treeView.ShowLines = true;

WinUI TreeView with TreeLines

Enable tree lines for root nodes

The TreeView also supports showing tree lines for root nodes by setting the ShowRootLines property to true. The default value is false.

<treeView:SfTreeView Name="treeView"    
                       ShowLines="True"
                       ShowRootLines="True" />
treeView.ShowLines = true;
treeView.ShowRootLines = true;

WinUI TreeView displays TreeLines for Root Nodes

Customizing the tree lines

Customizing the line color

The TreeView allows you to change the color of tree lines by using the LineStroke property. The default value is a brush based on the system BaseMediumLow color.

<treeView:SfTreeView Name="treeView"    
                       ShowLines="True"
                       ShowRootLines="True"
                       LineStroke="DeepSkyBlue" />
treeView.ShowLines = true;
treeView.ShowRootLines = true;
treeView.LineStroke = new SolidColorBrush(Colors.DeepSkyBlue);

Customizing TreeLines in WinUI TreeView

Customizing the line thickness

The TreeView allows you to change the thickness of tree lines by using the LineStrokeThickness property. The default value is 1.

<treeView:SfTreeView Name="treeView"           
                       ShowLines="True"
                       ShowRootLines="True"
                       LineStrokeThickness="1.5" />
treeView.ShowLines = true;
treeView.ShowRootLines = true;
treeView.LineStrokeThickness = 1.5;