This documentation is archived and is not being maintained.

ServiceDescription::CanRead Method

Gets a value that indicates whether an XmlReader represents a valid Web Services Description Language (WSDL) file that can be parsed.

Namespace:  System.Web.Services.Description
Assembly:  System.Web.Services (in System.Web.Services.dll)

public:
static bool CanRead(
	XmlReader^ reader
)

Parameters

reader
Type: System.Xml::XmlReader
An XmlReader

Return Value

Type: System::Boolean
true if the XmlSerializer can recognize the node on which the XmlReader is positioned; otherwise false.


// Creates an Operation for a PortType.
Operation^ CreateOperation( String^ operationName, String^ inputMessage, String^ outputMessage, String^ targetNamespace )
{
   Operation^ myOperation = gcnew Operation;
   myOperation->Name = operationName;
   OperationMessage^ input = dynamic_cast<OperationMessage^>(gcnew OperationInput);
   input->Message = gcnew XmlQualifiedName( inputMessage,targetNamespace );
   OperationMessage^ output = dynamic_cast<OperationMessage^>(gcnew OperationOutput);
   output->Message = gcnew XmlQualifiedName( outputMessage,targetNamespace );
   myOperation->Messages->Add( input );
   myOperation->Messages->Add( output );
   return myOperation;
}

int main()
{
   String^ myWsdlFileName = "MyWsdl_CS.wsdl";
   XmlTextReader^ myReader = gcnew XmlTextReader( myWsdlFileName );
   if ( ServiceDescription::CanRead( myReader ) )
   {
      ServiceDescription^ myDescription = ServiceDescription::Read( myWsdlFileName );

      // Remove the PortType at index 0 of the collection.
      PortTypeCollection^ myPortTypeCollection = myDescription->PortTypes;
      myPortTypeCollection->Remove( myDescription->PortTypes[ 0 ] );

      // Build a new PortType.
      PortType^ myPortType = gcnew PortType;
      myPortType->Name = "Service1Soap";
      Operation^ myOperation = CreateOperation( "Add", "s0:AddSoapIn", "s0:AddSoapOut", "" );
      myPortType->Operations->Add( myOperation );

      // Add a new PortType to the PortType collection of 
      // the ServiceDescription.
      myDescription->PortTypes->Add( myPortType );
      myDescription->Write( "MyOutWsdl.wsdl" );
      Console::WriteLine( "New WSDL file generated successfully." );
   }
   else
   {
      Console::WriteLine( "This file is not a WSDL file." );
   }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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