Progress® Telerik® Reporting R1 2019

ElementTreeHelperGetChildElements Method

Returns all immediate child layout elements within a specified parent.

Namespace:  Telerik.Reporting.Processing
Assembly:  Telerik.Reporting (in Telerik.Reporting.dll)

Syntax

C#

VB

Copy

public static IEnumerable<LayoutElement> GetChildElements(
	LayoutElement parent
)

Public Shared Function GetChildElements ( 
	parent As LayoutElement
) As IEnumerable(Of LayoutElement)

Parameters

parent

Type: Telerik.Reporting.ProcessingLayoutElement
The parent element.

Return Value

Type: IEnumerableLayoutElement
Enumerable of all layout elements having the specified parent. If the parent does not have children, an empty enumeration is returned.

Examples

This example shows how to access all children of a parent layout element in a ItemDataBinding event handler.

C#

VB

Copy

void DetailSection_ItemDataBinding_Using_GetChildElements(object sender, EventArgs e)
{
    Processing.DetailSection processingInstance = (Processing.DetailSection)sender;
    IEnumerable<Processing.LayoutElement> elements = Processing.ElementTreeHelper.GetChildElements(processingInstance);
    foreach (Processing.LayoutElement child in elements)
    {
        Processing.VisualElement visualChild = child as Processing.VisualElement;
        if (null != visualChild)
        {
            visualChild.Style.BackgroundColor = System.Drawing.Color.Blue;
        }
    }
}

Private Sub DetailSection_ItemDataBinding_Using_GetChildElements(sender As Object, e As EventArgs)
    Dim processingInstance As Processing.DetailSection = DirectCast(sender, Processing.DetailSection)
    Dim elements As System.Collections.Generic.IEnumerable(Of Processing.LayoutElement) = Processing.ElementTreeHelper.GetChildElements(processingInstance)
    For Each child As Processing.LayoutElement In elements
        Dim visualChild As Processing.VisualElement = TryCast(child, Processing.VisualElement)
        If visualChild IsNot Nothing Then
            visualChild.Style.BackgroundColor = System.Drawing.Color.Blue
        End If
    Next
End Sub

Version Information

Supported in: 1.0.1

See Also

Reference

ElementTreeHelper Class

Telerik.Reporting.Processing Namespace