Get all children from a Panel : Panel « Windows Presentation Foundation

  

<StackPanel Name="root"

  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

  x:Class="WpfApplication1.DPClearValue">

    <StackPanel.Resources>

      <Style TargetType="Button">

        <Setter Property="Height" Value="20"/>

        <Setter Property="Width" Value="250"/>

        <Setter Property="HorizontalAlignment" Value="Left"/>

      </Style>

      <Style TargetType="Ellipse">

        <Setter Property="Height" Value="50"/>

        <Setter Property="Width" Value="50"/>

        <Setter Property="Fill" Value="Black"/>

      </Style>

      <Style TargetType="Rectangle">

        <Setter Property="Height" Value="50"/>

        <Setter Property="Width" Value="50"/>

        <Setter Property="Fill" Value="Blue"/>

      </Style>

      <Style TargetType="Polygon">

        <Setter Property="Points" Value="10,60 60,60 60,10"/>

        <Setter Property="Fill" Value="Blue"/>

      </Style>

      <Style x:Key="ShapeStyle" TargetType="Shape">

        <Setter Property="Fill" Value="Red"/>

      </Style>

    </StackPanel.Resources>

  <DockPanel Name="myDockPanel">

    <Ellipse Height="100"  Width="100" Style="{StaticResource ShapeStyle}"/>

    <Rectangle Height="100" Width="100"  Style="{StaticResource ShapeStyle}" />

    <Polygon Points="10,110 110,110 110,10" Style="{StaticResource ShapeStyle}"/>

  </DockPanel>

    <Button Name="RedButton" Click="MakeEverythingRed">Make everything red</Button>

    <Button Name="ClearButton" Click="RestoreDefaultProperties">

  Clear local values

  </Button>



</StackPanel>



//File:Window.xaml.cs





using System.Windows;

using System.Collections;

using System.Windows.Media;

using System.Windows.Controls;

using System.Windows.Shapes;



namespace WpfApplication1 {

    public partial class DPClearValue {



        void RestoreDefaultProperties(object sender, RoutedEventArgs e)

        {

            UIElementCollection uic = myDockPanel.Children;

            foreach (Shape uie in uic)

            {

                LocalValueEnumerator locallySetProperties = uie.GetLocalValueEnumerator();

                while (locallySetProperties.MoveNext())

                {

                    DependencyProperty propertyToClear = (DependencyProperty)locallySetProperties.Current.Property;

                    if (!propertyToClear.ReadOnly) { uie.ClearValue(propertyToClear); }

                }

            }

        }

        void MakeEverythingRed(object sender, RoutedEventArgs e)

        {

            UIElementCollection uic = myDockPanel.Children;

            foreach (Shape uie in uic) {uie.Fill = new SolidColorBrush(Colors.Red);}

        }

    }

}
Get all children from a Panel : Panel « Windows Presentation Foundation « C# / C Sharp
