private void GraphMain_PaintSurface(object sender, SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
{
MainSurface = e.Surface;
MainCanvas = MainSurface.Canvas;
if (refresh)
{
MainCanvas.Clear(SKColors.Black);
refresh = false;
}
// draw eraser
MainCanvas.DrawRect(currentX, 0, 40, graphMain.CanvasSize.Height, ErasePaint);
if (ClearFlag)
{
//MainCanvas.Clear(SKColors.Transparent);
ClearFlag = false;
if (displayArray1 != null && displayArray1.Length > 0)
{
MainCanvas.DrawPoints(PointMode2, displayArray1, GraphPaint1);
}
}
else
{
if (displayArray1 != null && displayArray1.Length > 0)
{
MainCanvas.DrawPoints(PointMode1, displayArray1, GraphPaint1);
}
}
}
