Visual Basic (Declaration) | |
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Public ReadOnly Property IsBlank As Boolean |
Visual Basic (Usage) | ![]() |
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Dim instance As BlankPageDetectorCommand Dim value As Boolean value = instance.IsBlank |
C# | |
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public bool IsBlank {get;} |
Property Value
true if the page is blank; false otherwise.Run the Leadtools.ImageProcessing.Core.BlankPageDetectorCommand on an image and determine whether it is blank.
Visual Basic | ![]() |
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Public Sub BlankPageDetectorCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "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") End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class |
C# | ![]() |
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public void BlankPageDetectorCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "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"); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; } |
SilverlightCSharp | ![]() |
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public void BlankPageDetectorCommandExample(RasterImage image) { // Prepare the command BlankPageDetectorCommand command = new BlankPageDetectorCommand(); //Determine whether the image is a blank page command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage; command.Run(image); Debug.WriteLine(" Is Blank : " + command.IsBlank + "\n Accuracy : " + (command.Accuracy * 1.0 / 100) + "%", "Blank Page Detection Results", MessageBoxButton.OK); image.Dispose(); } |
SilverlightVB | ![]() |
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Public Sub BlankPageDetectorCommandExample(ByVal image As RasterImage) ' Prepare the command Dim command As BlankPageDetectorCommand = New BlankPageDetectorCommand() 'Determine whether the image is a blank page command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage command.Run(image) Debug.WriteLine(" Is Blank : " & command.IsBlank + Constants.vbLf & " Accuracy : " & (command.Accuracy * 1.0 / 100) & "%", "Blank Page Detection Results", MessageBoxButton.OK) image.Dispose() End Sub |
Target Platforms: Silverlight 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)