GradientFillRectangle(IntPtr,Rectangle,SpecialEffectsGradientStyle,Color,Color,Int32) Method

Draws a rectangle onto the target device context, and then fills the rectangle with a gradient that begins with the specified starting color and ends with the specified ending color

Syntax

Visual Basic
C#
Objective-C
Java
C++

public void GradientFillRectangle( 
   IntPtr hdc,
   Rectangle destRect,
   SpecialEffectsGradientStyle gradientStyle,
   Color startColor,
   Color endColor,
   int steps
)

'Declaration
 
Public Overloads Sub GradientFillRectangle( _
   ByVal hdc As IntPtr, _
   ByVal destRect As Rectangle, _
   ByVal gradientStyle As SpecialEffectsGradientStyle, _
   ByVal startColor As Color, _
   ByVal endColor As Color, _
   ByVal steps As Integer _
)

'Usage
 
Dim instance As SpecialEffectsProcessor
Dim hdc As IntPtr
Dim destRect As Rectangle
Dim gradientStyle As SpecialEffectsGradientStyle
Dim startColor As Color
Dim endColor As Color
Dim steps As Integer
 
instance.GradientFillRectangle(hdc, destRect, gradientStyle, startColor, endColor, steps)

public:
void GradientFillRectangle( 
   IntPtr hdc,
   Rectangle destRect,
   SpecialEffectsGradientStyle gradientStyle,
   Color startColor,
   Color endColor,
   int steps
)

Parameters

hdc: Handle to a device context where the gradient effect will be displayed.
destRect: Rectangle to be used as the display destination rectangle.
gradientStyle: Gradient style. For possible values refer to SpecialEffectsGradientStyle.
startColor: Value that specifies the starting color.
endColor: Value that specifies the ending color.
steps: Number of gradient color steps. Valid values are 2 to 256.

Remarks

For more information, refer to Implementing Special Effects.

Example

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.SpecialEffects
Imports Leadtools.Drawing

Public Sub GradientFillRectangle(ByVal g As Graphics, ByVal destRect As Rectangle)
   Dim processor As SpecialEffectsProcessor = New SpecialEffectsProcessor()
   processor.GradientFillRectangle(g, destRect, SpecialEffectsGradientStyle.EllipseToC, Color.Red, Color.Blue, 12)
End Sub

using Leadtools;
using Leadtools.Codecs;
using Leadtools.SpecialEffects;
using Leadtools.Drawing;

public void GradientFillRectangle(Graphics g, Rectangle destRect)
{
   SpecialEffectsProcessor processor = new SpecialEffectsProcessor();
   processor.GradientFillRectangle(g, destRect, SpecialEffectsGradientStyle.EllipseToC, Color.Red, Color.Blue, 12);
}

Requirements

Target Platforms

Reference

SpecialEffectsProcessor Class
SpecialEffectsProcessor Members
Overload List