Hallo Christian siehe etwa: TextRenderer.MeasureText http://msdn.microsoft.com/en-us/library/system.windows.forms.textrenderer.measuretext.aspx
Graphics.MeasureString http://msdn.microsoft.com/en-us/library/system.drawing.graphics.measurestring.aspx
http://msdn.microsoft.com/en-us/library/a3a2bads.aspx
WPF http://msdn.microsoft.com/en-us/library/system.windows.media.formattedtext.aspx
