public MainWindow()
{
InitializeComponent();
CustomHeatMapItem[,] data = this.GetData(2000, 3000);
CustomHeatMapSource source = new CustomHeatMapSource(data);
this.heatmap.Definition = new CustomHeatMapDefinition(source);
}
public CustomHeatMapDefinition(CustomHeatMapSource source)
{
this.source = source;
}