Sets the desired TWAIN version with which to work.
[WebInvokeAttribute(BodyStyle=2,Method="POST",RequestFormat=1,ResponseFormat=1)][OperationContractAttribute(Name="SetVersion",Action="SetVersion",AsyncPattern=false,IsOneWay=false,IsInitiating=true,IsTerminating=false)]public string SetVersion(TwainVersion version,object userData)
version
The TWAIN version to set, see TwainVersion for a list of available versions.
userData
The user data.
Returns "Success" or throws an exception on error.