AnnLinearGradientBrush Class

Encapsulates an annotation brush object with a linear gradient.

Object Model

Syntax

C#
Visual Basic
Objective-C
Java
C++

[SerializableAttribute()]
public class AnnLinearGradientBrush : AnnBrush, System.ICloneable

'Declaration
 
<SerializableAttribute()>
Public Class AnnLinearGradientBrush 
   Inherits AnnBrush
   Implements System.ICloneable

'Usage
 
Dim instance As AnnLinearGradientBrush

[SerializableAttribute()]
public ref class AnnLinearGradientBrush : public AnnBrush, System.ICloneable

Remarks

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.

Example

This example uses an AnnLinearGradientBrush to draw a rectangle.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.Codecs
Imports Leadtools.WinForms

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

using Leadtools;
using Leadtools.Annotations;
using Leadtools.Codecs;
using Leadtools.WinForms;

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);
   }
}

Requirements

Target Platforms

Reference

AnnLinearGradientBrush Members
Leadtools.Annotations Namespace