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LEADTOOLS WCF (Leadtools.Services.Twain assembly)
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IsAvailable Method (TwainScanningService)






Leadtools.Services.Twain Namespace > TwainScanningService Class : IsAvailable Method
The scanning session Id.
The user data.
Determines whether a TWAIN source is installed.
Syntax
public virtual bool IsAvailable( 
   string id,
   object userData
)
'Declaration
 
Public Overridable Function IsAvailable( _
   ByVal id As String, _
   ByVal userData As Object _
) As Boolean
'Usage
 
Dim instance As TwainScanningService
Dim id As String
Dim userData As Object
Dim value As Boolean
 
value = instance.IsAvailable(id, userData)

            

        

            

            

            

        

            

            
public:
virtual bool IsAvailable( 
   String^ id,
   Object^ userData
) 

            

        

            

        
            
Parameters
id


The scanning session Id.
userData


The user data.

            
            
Return Value
true if at least one TWAIN source is installed; otherwise, false.

            
            
            
            
          
            
            
            
            
Requirements
Target Platforms

            
            
See Also
Reference
TwainScanningService Class

TwainScanningService Members




        
    

	
    

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