public static bool ContainsChildWithName(
	LayoutElement parent,
	string name
)

Public Shared Function ContainsChildWithName ( 
	parent As LayoutElement,
	name As String
) As Boolean

void DetailSection_ItemDataBinding_Using_ContainsChildWithName(object sender, EventArgs e)
{
    Processing.DetailSection processingInstance = (Processing.DetailSection)sender;
    if (Processing.ElementTreeHelper.ContainsChildWithName(processingInstance, "textBox1"))
    {
        processingInstance.Style.BackgroundColor = System.Drawing.Color.Blue;
    }
}

Private Sub DetailSection_ItemDataBinding_Using_ContainsChildWithName(sender As Object, e As EventArgs)
    Dim processingInstance As Processing.DetailSection = DirectCast(sender, Processing.DetailSection)
    If Processing.ElementTreeHelper.ContainsChildWithName(processingInstance, "textBox1") Then
        processingInstance.Style.BackgroundColor = System.Drawing.Color.Blue
    End If
End Sub