Question

我有一个氧气图表。调用方法“OnClearAll”时，我希望这些图表消失/删除。

我想要这样的事情：

private void OnClearAll()
{
    HistoView.Clear(); 
}

但是不存在明确的。

我应该写什么来删除我的图表？

My MainPanel xaml：

<oxy:PlotView x:Name ="HistoView" Model="{Binding HistogramModel}" Margin="476,304,102,459"/>

我的直方图课程：

namespace myNameSpace
{
    public class Histogram : INotifyPropertyChanged
    {
        //private Histogram DataContext;

        public Collection<Item> Items { get; set; }
        private PlotModel histogramModel;
        public PlotModel HistogramModel //{ get; set; }
        {
            get { return histogramModel; }
            set { histogramModel = value; OnPropertyChanged("HistogramModel"); }
        }

        public class Item
        {
            public string Label { get; set; }
            public double Value { get; set; }
        }

        public event PropertyChangedEventHandler PropertyChanged;

        //NotifyPropertyChangedInvocator
        protected virtual void OnPropertyChanged(string propertyName)
        {
            PropertyChangedEventHandler handler = PropertyChanged;
            if (handler != null)
            {
                handler(this, new PropertyChangedEventArgs(propertyName));
            }
        }

        public Histogram(List<double> frequency, List<double> axis, string VariableName)
        {
            CreateRectangleBar(frequency, axis, VariableName);
        }

Answer 1

尝试将Model或DataContext属性设置为null：

private void OnClearAll()
{
    HistoView.DataContext = null; 
}

如何删除绘图oxyplot C＃

1 个答案: