VintaSoft Twain .NET SDK v10.2
IsBlank(Single,Single) Method




Vintasoft.Twain Namespace > AcquiredImage Class > IsBlank Method : IsBlank(Single,Single) Method
Maximal possible value of noise in image in percents. Optimal value is 0.01 (%).
Current noise value in image. This value will be set after execution of the method.
Determines that this image is a blank image.
Syntax
'Declaration
 
Public Overloads Function IsBlank( _
   ByVal maxNoiseLevel As Single, _
   ByRef currentNoiseLevel As Single _
) As Boolean
'Usage
 
Dim instance As AcquiredImage
Dim maxNoiseLevel As Single
Dim currentNoiseLevel As Single
Dim value As Boolean
 
value = instance.IsBlank(maxNoiseLevel, currentNoiseLevel)
public bool IsBlank( 
   float maxNoiseLevel,
   ref float currentNoiseLevel
)
public: bool IsBlank( 
   float maxNoiseLevel,
   ref float currentNoiseLevel
) 
public:
bool IsBlank( 
   float maxNoiseLevel,
   float% currentNoiseLevel
) 

Parameters

maxNoiseLevel
Maximal possible value of noise in image in percents. Optimal value is 0.01 (%).
currentNoiseLevel
Current noise value in image. This value will be set after execution of the method.

Return Value

true if image is a blank image; otherwise, false.
Example
Please see example here.
Requirements

Target Platforms: Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

See Also

Reference

AcquiredImage Class
AcquiredImage Members
Overload List