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RemoveSelectedZone Method
See Also  Example
Leadtools.Document Namespace > RasterDocumentEngine Class : RemoveSelectedZone Method



pageIndex
Specifies the index of the page which contains the selected zone. This index is zero-based.
pageIndex
Specifies the index of the page which contains the selected zone. This index is zero-based.
Deletes the selected zone from the zone list in the specified page.

Syntax

Visual Basic (Declaration) 
Public Sub RemoveSelectedZone( _
   ByVal pageIndex As Integer _
)
Visual Basic (Usage)Copy Code
Dim instance As RasterDocumentEngine
Dim pageIndex As Integer
 
instance.RemoveSelectedZone(pageIndex)
C# 
public void RemoveSelectedZone( 
   int pageIndex
)
C++/CLI 
public:
void RemoveSelectedZone( 
   int pageIndex
)

Parameters

pageIndex
Specifies the index of the page which contains the selected zone. This index is zero-based.

Example

Visual BasicCopy Code
Public Sub RemoveSelectedZoneExample()
   ' Note that this is a sample key, which will not work in your toolkit
   RasterSupport.Unlock(Leadtools.RasterSupportType.Ocr, "TestKey")

   Dim rasterDocument As RasterDocumentEngine
   rasterDocument = RasterDocumentEngine.Instance
   rasterDocument.Startup()
   'assume page is added, refer to AddPage example for more information
   'assume zones are added, refer to AddZone example or FindZones for more information
   'select a zone

   Try
      rasterDocument.RemoveSelectedZone(0)
      MessageBox.Show("The selected zone is deleted from Zone list in the page")
   Catch ex As Exception
      MessageBox.Show(ex.Message)
   End Try

   rasterDocument.Shutdown()
End Sub
C#Copy Code
public void RemoveSelectedZoneExample() 
{ 
   // Note that this is a sample key, which will not work in your toolkit 
   RasterSupport.Unlock(RasterSupportType.Ocr, "TestKey"); 
   RasterDocumentEngine rasterDocument; 
   rasterDocument = RasterDocumentEngine.Instance; 
   rasterDocument.Startup(); 
 
   // assume page is added, refer to AddPage example for more information 
   // assume zones are added, refer to AddZone example or FindZones for more information 
   // select zone 
 
   try 
   { 
      rasterDocument.RemoveSelectedZone(0); 
      MessageBox.Show("The selected zone is deleted from Zone list in the page"); 
   } 
   catch (Exception ex) 
   { 
      MessageBox.Show(ex.Message); 
   } 
 
   rasterDocument.Shutdown(); 
}

Remarks

For more information, refer to Drawing Pages and Zones.

Requirements

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

See Also

The Leadtools.Document namespace is deprecated and no longer supported as of LEADTOOLS v16. For v16 and later, please refer to: Leadtools.Forms.Ocr. This documentation is retained for v15 and earlier informational use only.