WPF ToolKit Chart_system.windows.controls.datavisualization.toolkit.

用到两个库System.Windows.Controls.DataVisualization.Toolkit.dll 和WPFToolkit.dll

定义两个命名空间

        xmlns:dc="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"
        xmlns:dv="clr-namespace:System.Windows.Controls.DataVisualization;assembly=System.Windows.Controls.DataVisualization.Toolkit"

        <dc:Chart >

            <dc:Chart.Series>
                <dc:ColumnSeries x:Name="chart" Title="title" IndependentValueBinding="{Binding Path=Key}"
                             DependentValueBinding="{Binding Path=Value}" />
            </dc:Chart.Series>

        </dc:Chart>

另外还有：

BubbleSeries,LineSeries,PieSeries

ColumnSeries series = chart.Series[0]

         series .ItemsSource =
                new KeyValuePair<string, int>[] {
                    new KeyValuePair<string,int>("男",1),
                    new KeyValuePair<string,int>("女",2),
                    new KeyValuePair<string,int>("aaa",333),
                };