This example uses an AnnLinearGradientBrush to draw a rectangle.

Visual Basic

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Private Sub AnnLinearGradientBrush_AnnLinearGradientBrush(ByVal graphics As Graphics, ByVal converter As AnnUnitConverter, ByVal rc As AnnRectangle)    Dim annBrush As AnnLinearGradientBrush = New AnnLinearGradientBrush(Color.Red, Color.Blue, LinearGradientMode.Horizontal)    Dim gdiBrush As Brush = annBrush.Create(converter, rc)    Try       Dim rect As RectangleF = rc.ConvertTo(converter, AnnUnit.Pixel).ToRectangleF()       graphics.FillRectangle(gdiBrush, rect)    Finally       CType(gdiBrush, IDisposable).Dispose()    End Try End Sub

C#

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private void AnnLinearGradientBrush_AnnLinearGradientBrush(Graphics graphics, AnnUnitConverter converter, AnnRectangle rc)  {     AnnLinearGradientBrush annBrush = new AnnLinearGradientBrush(Color.Red, Color.Blue, LinearGradientMode.Horizontal);     using(Brush gdiBrush = annBrush.Create(converter, rc))     {        RectangleF rect = rc.ConvertTo(converter, AnnUnit.Pixel).ToRectangleF();        graphics.FillRectangle(gdiBrush, rect);     }  }

Annotation brushes are used to fill the interiors of annotation objects like rectangles, ellipses, polygons, etc.

For more information, refer to Changing Annotation Automation Background Colors.

System.Object
   Leadtools.Annotations.AnnBrush
      Leadtools.Annotations.AnnLinearGradientBrush

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

Reference