How to draw strings vertically on a Bitmap

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dim sFormat As New StringFormat()  
sFormat.FormatFlags = StringFormatFlags.DirectionVertical  
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g.DrawString('Syncfusion', new Font('Arial',16,FontStyle.Italic or FontStyle.Bold ),SystemBrushes.WindowText, new PointF(2,2) , sFormat )  

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StringFormat sFormat = new StringFormat()  ;
sFormat.FormatFlags = StringFormatFlags.DirectionVertical  ;
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g.DrawString('Syncfusion', new Font('Arial',16,FontStyle.Italic|FontStyle.Bold ),SystemBrushes.WindowText, new PointF(2,2) ,sFormat)  ;
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