WPF 如若遍历Grid中所有控件?

WPF 如果遍历Grid中所有控件??
WPF 如果遍历Grid中所有控件??

------解决方案--------------------
XML code
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100" />
            <RowDefinition Height="35"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
        </Grid.ColumnDefinitions>
        <Button x:Name="btnClick" Margin="50,0,50,0" Grid.Row="1" Grid.Column="0" Content="Click Me" Click="btnClick_Click" />
        <Grid Grid.Row="0" Grid.Column="0" x:Name="Grid1">
        </Grid>
    </Grid>