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LogicalMethodInfo::IsVoid Property

Gets a value indicating whether the return type for the method represented by the instance of LogicalMethodInfo is void.

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

public:
property bool IsVoid {
	bool get ();
}

Property Value

Type: System::Boolean
true if the return type is void; otherwise, false.

#using <System.Web.Services.dll>

using namespace System;
using namespace System::Runtime::InteropServices;
using namespace System::Reflection;
using namespace System::Web::Services::Protocols;

public ref class MyService
{
public:
   void MyMethod( int inParameter, [Out]interior_ptr<int> outParameter )
   {
       *outParameter = inParameter;
   }
};

int main()
{
   Type^ myType = MyService::typeid;
   MethodInfo^ myMethodInfo = myType->GetMethod( "MyMethod" );
   array<MethodInfo^>^temparray = {myMethodInfo};
   LogicalMethodInfo^ myLogicalMethodInfo = (LogicalMethodInfo::Create( temparray ))[ 0 ];
   Console::WriteLine( "\nPrinting parameters for the method : {0}", myLogicalMethodInfo->Name );
   Console::WriteLine( "\nThe parameters of the method {0} are :\n", myLogicalMethodInfo->Name );
   array<ParameterInfo^>^myParameters = myLogicalMethodInfo->Parameters;
   for ( int i = 0; i < myParameters->Length; i++ )
   {
      Console::WriteLine( String::Concat( "\t ", myParameters[ i ]->Name, " : ", myParameters[ i ]->ParameterType ) );

   }
   Console::WriteLine( "\nThe in parameters of the method {0} are :\n", myLogicalMethodInfo->Name );
   myParameters = myLogicalMethodInfo->InParameters;
   for ( int i = 0; i < myParameters->Length; i++ )
   {
      Console::WriteLine( String::Concat( "\t ", myParameters[ i ]->Name, " : ", myParameters[ i ]->ParameterType ) );

   }
   Console::WriteLine( "\nThe out parameters of the method {0} are :\n", myLogicalMethodInfo->Name );
   myParameters = myLogicalMethodInfo->OutParameters;
   for ( int i = 0; i < myParameters->Length; i++ )
   {
      Console::WriteLine( String::Concat( "\t ", myParameters[ i ]->Name, " : ", myParameters[ i ]->ParameterType ) );

   }
   if ( myLogicalMethodInfo->IsVoid )
      Console::WriteLine( "\nThe return type is void" );
   else
      Console::WriteLine( "\nThe return type is {0}", myLogicalMethodInfo->ReturnType );
}
#using <mscorlib.dll>
#using <System.Web.Services.dll>
using namespace System;
using namespace System::Runtime::InteropServices;
using namespace System::Reflection;
using namespace System::Web::Services::Protocols;

public __gc class MyService {
public:
   void MyMethod(int inParameter, [Out] int __gc * outParameter) {
      *outParameter = inParameter;
   }
};

int main() {
   Type*  myType = __typeof(MyService);

   MethodInfo* myMethodInfo = myType->GetMethod(S"MyMethod");
   MethodInfo * temparray[] = { myMethodInfo};
   LogicalMethodInfo* myLogicalMethodInfo = 
      ( LogicalMethodInfo::Create(temparray))[0];

   Console::WriteLine(S"\nPrinting parameters for the method : {0}",
      myLogicalMethodInfo->Name);

   Console::WriteLine(S"\nThe parameters of the method {0} are :\n",
      myLogicalMethodInfo->Name);
   ParameterInfo*  myParameters[] = myLogicalMethodInfo->Parameters;
   for (int i = 0; i < myParameters->Length; i++) {
      Console::WriteLine(String::Concat(S"\t ", myParameters[i]->Name,
         S" : ", myParameters[i]->ParameterType));
   }

   Console::WriteLine(S"\nThe in parameters of the method {0} are :\n",
      myLogicalMethodInfo->Name);
   myParameters = myLogicalMethodInfo->InParameters;
   for (int i = 0; i < myParameters->Length; i++) {
      Console::WriteLine(String::Concat(S"\t ", myParameters[i]->Name,
         S" : ", myParameters[i]->ParameterType));
   }

   Console::WriteLine(S"\nThe out parameters of the method {0} are :\n",
      myLogicalMethodInfo->Name);
   myParameters = myLogicalMethodInfo->OutParameters;
   for (int i = 0; i < myParameters->Length; i++) {
      Console::WriteLine(String::Concat(S"\t ", myParameters[i]->Name,
         S" : ", myParameters[i]->ParameterType));
   }

   if (myLogicalMethodInfo->IsVoid)
      Console::WriteLine(S"\nThe return type is void");
   else
      Console::WriteLine(S"\nThe return type is {0}",
      myLogicalMethodInfo->ReturnType);
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0
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