Infragistics logo
메뉴
.NET and JavaScript UI Controls
Version

DrawImageBackground Property

Gets/sets a value determining whether the ImageBackground is displayed for the node.
Syntax
'Declaration
 
Public Property DrawImageBackground As Infragistics.Win.DefaultableBoolean
public Infragistics.Win.DefaultableBoolean DrawImageBackground {get; set;}
Remarks

When True, nodes that have an ImageBackground set will display them.

Note: By default, the ImageBackground is not displayed for nodes.

Note: The DrawImageBackground property applies only to node objects; If the ImageBackground property of the control's Infragistics.Win.Appearance is set, it will be displayed regardless of the value of the DrawImageBackground property.

Example
The following sample code shows how tospecify which nodes draw their background image.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinTree

Private Sub button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button4.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.

    ' Use the tree's Override property to
    ' set the default for all nodes.
    Me.ultraTree1.Override.DrawImageBackground = DefaultableBoolean.False

    ' 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).DrawImageBackground = DefaultableBoolean.True

    ' Set the default for nodes at the root level. 
    ' This overrides the default settings above.
    Me.ultraTree1.Nodes.Override.DrawImageBackground = DefaultableBoolean.True

    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.DrawImageBackground = DefaultableBoolean.True

    ' Set the property for that specific node's child nodes
    node.Nodes.Override.DrawImageBackground = DefaultableBoolean.False

End Sub
using Infragistics.Win;
using Infragistics.Win.UltraWinTree;

private void button4_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.
 
	// Use the tree's Override property to
	// set the default for all nodes.
	this.ultraTree1.Override.DrawImageBackground = DefaultableBoolean.False;
		
	// 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].DrawImageBackground = DefaultableBoolean.True;

	// Set the default for nodes at the root level. 
	// This overrides the default settings above.
	this.ultraTree1.Nodes.Override.DrawImageBackground = DefaultableBoolean.True;

	// 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.DrawImageBackground = DefaultableBoolean.True;

	// Set the property for that specific node's child nodes
	node.Nodes.Override.DrawImageBackground = DefaultableBoolean.False;
		
}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also