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LineRemoveCommandEventArgs Constructor
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Leadtools.ImageProcessing.Core Namespace > LineRemoveCommandEventArgs Class : LineRemoveCommandEventArgs Constructor



image
Affected image
region
Windows region representing the line to be removed. It is the programmer's responsibility to dispose this region when it is no longer needed.
startRow
The starting row of the line. The rows are zero-based.
startColumn
The starting column of the line. The columns are zero-based.
length
Length (in pixels) of the line.
Initializes a new LineRemoveCommand with explicit parameters.

Syntax

Visual Basic (Declaration) 
Public Function New( _
   ByVal image As RasterImage, _
   ByVal region As Region, _
   ByVal startRow As Integer, _
   ByVal startColumn As Integer, _
   ByVal length As Integer _
)
Visual Basic (Usage)Copy Code
Dim image As RasterImage
Dim region As Region
Dim startRow As Integer
Dim startColumn As Integer
Dim length As Integer
 
Dim instance As LineRemoveCommandEventArgs(image, region, startRow, startColumn, length)
C# 
public LineRemoveCommandEventArgs( 
   RasterImage image,
   Region region,
   int startRow,
   int startColumn,
   int length
)
C++/CLI 
public:
LineRemoveCommandEventArgs( 
   RasterImage image,
   Region region,
   int startRow,
   int startColumn,
   int length
)

Parameters

image
Affected image
region
Windows region representing the line to be removed. It is the programmer's responsibility to dispose this region when it is no longer needed.
startRow
The starting row of the line. The rows are zero-based.
startColumn
The starting column of the line. The columns are zero-based.
length
Length (in pixels) of the line.

Example

Run the LineRemoveCommand on an image.

Visual BasicCopy Code
Public WithEvents lineRemoveCommand_S4 As LineRemoveCommand
Public Sub LineRemoveCommandEventArgsExample()
   RasterCodecs.Startup()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Clean.tif")

   ' Prepare the command
   lineRemoveCommand_S4 = New LineRemoveCommand(LineRemoveCommandFlags.UseGap Or LineRemoveCommandFlags.CallBackRegion, 200, 5, 7, 10, 2, 2, LineRemoveCommandType.Horizontal)
   lineRemoveCommand_S4.Run(leadImage)

   RasterCodecs.Shutdown()
End Sub

Private Sub LineRemoveCommand_LineRemove_S4(ByVal sender As Object, ByVal e As LineRemoveCommandEventArgs) Handles lineRemoveCommand_S4.LineRemove
   Dim ee As LineRemoveCommandEventArgs = New LineRemoveCommandEventArgs(e.Image, e.Region, e.StartRow, e.StartColumn, e.Length)
   e.Status = RemoveStatus.Remove
   If Not (e.Region Is Nothing) Then
      e.Image.AddGdiPlusRegionToRegion(Nothing, e.Region, RasterRegionCombineMode.AndNotRegion)
   End If
End Sub
C#Copy Code
public void LineRemoveCommandEventArgsExample() 

   // Load an image 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Clean.tif"); 
 
   // Prepare the command 
   LineRemoveCommand command = new LineRemoveCommand(LineRemoveCommandFlags.UseGap | LineRemoveCommandFlags.CallBackRegion, 200, 5, 7, 10, 2, 2, LineRemoveCommandType.Horizontal); 
   command.LineRemove += new EventHandler<LineRemoveCommandEventArgs>(LineRemoveEvent_S4); 
   command.Run(image); 
 
   RasterCodecs.Shutdown(); 

 
private void LineRemoveEvent_S4(object sender, LineRemoveCommandEventArgs e) 

   LineRemoveCommandEventArgs ee = new LineRemoveCommandEventArgs(e.Image, e.Region, e.StartRow, e.StartColumn, e.Length); 
   e.Status= RemoveStatus.Remove; 
   if(e.Region != null) 
      e.Image.AddGdiPlusRegionToRegion(null, e.Region, RasterRegionCombineMode.AndNotRegion); 
}

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also