This exception is thrown if the default file type is set and a file is saved using the extension of a file format that is not supported by TwainPRO, or if an invalid settings file is loaded. Supported file types are BMP, JPEG, ePIC, TIF, and PDF.

[Serializable()]
public sealed class UnsupportedFileFormatException : TwainProException 

[Serializable()]
public __gc __sealed class UnsupportedFileFormatException : public TwainProException 

[Serializable()]
public ref class UnsupportedFileFormatException sealed : public TwainProException 

'Declaration
 
<SerializableAttribute()>
Public NotInheritable Class UnsupportedFileFormatException 
   Inherits TwainProException

'Usage
 
Dim instance As UnsupportedFileFormatException