for drawing line I use
RenderTarget.DrawLine(new Vector2(x1, y), new Vector2(x2, y), lineBrush, lineWidth);
SimpleFont wpfFont = chartControl.Properties.LabelFont ?? new SimpleFont(); using (var textFormat = wpfFont.ToDirectWriteTextFormat()) { using (TextLayout textLayout = new TextLayout( Globals.DirectWriteFactory, MyText, textFormat, 1, textFormat.FontSize)) { RenderTarget.DrawTextLayout(new Vector2(x1, y), textLayout, textBrush, DrawTextOptions.NoSnap); } }
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