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IsBlank Property
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Leadtools.ImageProcessing.Core Namespace > BlankPageDetectorCommand Class : IsBlank Property




(Read-only) Gets a value that indicates whether the page is blank or not.

Syntax

Visual Basic (Declaration) 
Public ReadOnly Property IsBlank As Boolean
Visual Basic (Usage)Copy Code
Dim instance As BlankPageDetectorCommand
Dim value As Boolean
 
value = instance.IsBlank
C# 
public bool IsBlank {get;}
Managed Extensions for C++ 
public: __property bool get_IsBlank();
C++/CLI 
public:
property bool IsBlank {
   bool get();
}

Return Value

true if the page is blank; false otherwise.

Example

Visual BasicCopy Code
ImageProcessing.Core.BlankPageDetectorCommand
   Public Sub BlankPageDetectorCommandExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Clean.tif")

      ' Prepare the command
      Dim command As BlankPageDetectorCommand = New BlankPageDetectorCommand
        'Determine whether the image is blank.
      command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage

      command.Run(leadImage)
      MessageBox.Show(" Is Blank : " & command.IsBlank & "\n Accuracy : " & (command.Accuracy * 1.0 / 100) & "%", "Blank Page Detection Results")


      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.Core.BlankPageDetectorCommand 
      public void BlankPageDetectorCommandExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Clean.tif"); 
 
         // Prepare the command 
         BlankPageDetectorCommand command = new BlankPageDetectorCommand(); 
         //Determine whether the image is a blank page 
         command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage; 
         command.Run(image); 
 
         MessageBox.Show(" Is Blank   : " + command.IsBlank + "\n Accuracy : " + (command.Accuracy * 1.0 / 100) + "%", "Blank Page Detection Results"); 
 
         RasterCodecs.Shutdown(); 
      }

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