Infragistics2.Win.UltraWinTree.v8.1
ExpandedNodeAppearance Property
See Also  Example
Infragistics.Win.UltraWinTree Namespace > Override Class : ExpandedNodeAppearance Property

Gets/sets the AppearanceBase that is applied to UltraTreeNode.Expanded nodes.

Syntax

Visual Basic (Declaration) 
Public Property ExpandedNodeAppearance As AppearanceBase
C# 
public AppearanceBase ExpandedNodeAppearance {get; set;}

Remarks

ExpandedNodeAppearance determines how the node appears when it is UltraTreeNode.Expanded.

Example

The following sample code illustrates how to specify the appearance of nodes.

Visual BasicCopy Code
    Imports Infragistics.Win
    Imports Infragistics.Win.UltraWinTree

    Private Sub button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button3.Click

        ' Note: the Override objects are exposed as properties off
        ' the tree, the node and the nodes collection as well as
        ' items in the NodeLevelOverrides collection. This allows
        ' default settings to be specified for the tree, a node,
        ' a node's children or for a level in the tree.

        ' Get the tree's Override property so we can
        ' set the default for all nodes.
        With Me.ultraTree1.Override

            ' Turn hot tracking on
            .HotTracking = DefaultableBoolean.True

            ' Set the borderstyle to solid but the border color
            ' to trasnparent so the borders don't show by default.
            .BorderStyleNode = UIElementBorderStyle.Solid
            .NodeAppearance.BorderColor = Color.Transparent

            ' Set default border colors for active, expanded,
            ' hot tracked and selected nodes.
            .ActiveNodeAppearance.BorderColor = Color.Red
            .ExpandedNodeAppearance.BorderColor = Color.Magenta
            .HotTrackingNodeAppearance.BorderColor = Color.Blue
            .SelectedNodeAppearance.BorderColor = Color.Black

        End With

        ' Set the default for nodes that are at level 2
        ' (i.e. grandchild nodes of root modes).
        ' This overrides the default setting above.
        Me.ultraTree1.NodeLevelOverrides(2).ActiveNodeAppearance.BorderColor = Color.Violet

        ' Set the default for nodes at the root level.
        ' This overrides the default settings above.
        Me.ultraTree1.Nodes.Override.ActiveNodeAppearance.BorderColor = Color.Aqua

        Dim node As UltraTreeNode

        ' Get a specific node by its key value.
        ' Note: this will return the node that has that key
        ' from anywhere in the tree structure since keys are
        ' unique across the entire tree.
        node = Me.ultraTree1.GetNodeByKey("child node 1")

        ' Set the property for that specific node only.
        ' This overrides any default settings above.
        node.Override.ActiveNodeAppearance.BorderColor = Color.Cyan

        ' Set the property for that specific node's child nodes
        node.Nodes.Override.ActiveNodeAppearance.BorderColor = Color.Beige

    End Sub
C#Copy Code
       using Infragistics.Win;
       using Infragistics.Win.UltraWinTree;


       private void button3_Click(object sender, System.EventArgs e)
       {

           // Note: the Override objects are exposed as properties off
           // the tree, the node and the nodes collection as well as
           // items in the NodeLevelOverrides collection. This allows
           // default settings to be specified for the tree, a node,
           // a node's children or for a level in the tree.

           Infragistics.Win.UltraWinTree.Override ovr;

           // Get the tree's Override property so we can
           // set the default for all nodes.
           ovr = this.ultraTree1.Override;

           // Turn hot tracking on
           ovr.HotTracking = DefaultableBoolean.True;

           // Set the borderstyle to solid but the border color
           // to trasnparent so the borders don't show by default.
           ovr.BorderStyleNode = UIElementBorderStyle.Solid;
           ovr.NodeAppearance.BorderColor = Color.Transparent;

           // Set default border colors for active, expanded,
           // hot tracked and selected nodes.
           ovr.ActiveNodeAppearance.BorderColor = Color.Red;
           ovr.ExpandedNodeAppearance.BorderColor = Color.Magenta;
           ovr.HotTrackingNodeAppearance.BorderColor = Color.Blue;
           ovr.SelectedNodeAppearance.BorderColor = Color.Black;
       
           // Set the default for nodes that are at level 2
           // (i.e. grandchild nodes of root modes).
           // This overrides the default setting above.
           this.ultraTree1.NodeLevelOverrides[2].ActiveNodeAppearance.BorderColor = Color.Violet;

           // Set the default for nodes at the root level.
           // This overrides the default settings above.
           this.ultraTree1.Nodes.Override.ActiveNodeAppearance.BorderColor = Color.Aqua;

           // Get a specific node by its key value.
           // Note: this will return the node that has that key
           // from anywhere in the tree structure since keys are
           // unique across the entire tree.
           UltraTreeNode node = this.ultraTree1.GetNodeByKey("child node 1");

           // Set the property for that specific node only.
           // This overrides any default settings above.
           node.Override.ActiveNodeAppearance.BorderColor = Color.Cyan;

           // Set the property for that specific node's child nodes
           node.Nodes.Override.ActiveNodeAppearance.BorderColor = Color.Beige;
       
       }

See Also