使用 MVVM 和复合数据源显示海图仪

Question

我点击了此链接将数据绑定到视图。但是我无法使用复合数据源uisng MVVM显示结果。

pixelX = new double[grayScaleData.Length];
grayLevelY = new double[grayScaleData.Length];
for (int i = 0; i < grayScaleData.Length; i++)
{
    pixelX[i] = i;
    grayLevelY[i] = grayScaleData[i];
    if (i >= (leftEdge + avgGrayoffset) && i <= (rightEdge - avgGrayoffset))
    {
        totalGrayScale += grayScaleData[i];
        totalPixels++;
    }
}
EnumerableDataSource<double> xSrc = new EnumerableDataSource<double>(pixelX);
xSrc.SetXMapping(x => x);
grayScaleDataSource = new EnumerableDataSource<double>(grayLevelY);
grayScaleDataSource.SetYMapping(y => y);
CompositeDataSource source= new CompositeDataSource(xSrc, grayScaleDataSource);
for (int i = 0; i < grayScaleData.Length; i++)
{
    //here I am not able to convert a CompositeDataSource to a point source
    // list.Add(new Point(??,??));
}
GrayScalePlotData = new ObservableDataSource<Point>(list);

只需使用Point我就能看到一些随机情节

list.Add(new Point(pixelX[i], grayLevelY[i]));

谁能建议更好的方法是什么？

Answer 1

将CompositeDataSource复制到绑定变量可以解决问题。