LogicalMethodInfo.Invoke Method
Assembly: System.Web.Services (in system.web.services.dll)
public Object[] Invoke ( Object target, Object[] values )
public function Invoke ( target : Object, values : Object[] ) : Object[]
Not applicable.
Parameters
- target
The instance of the Object to invoke the method.
- values
An argument list for the invoked method. This is an array of objects with the same number, order, and type as the parameters of the method. If the method does not require any parameters, the values parameter should be a null reference (Nothing in Visual Basic).
Return Value
An array of type Object representing the return value and out parameters of the invoked method.| Exception type | Condition |
|---|---|
|
The target parameter is a null reference (Nothing in Visual Basic). | |
|
The number, type, and order of parameters in the values parameter do not match the signature of the invoked method. | |
|
The caller does not have permission to invoke the method. | |
|
The invoked method throws an exception. |
#using <System.Web.Services.dll> using namespace System; using namespace System::Reflection; using namespace System::Web::Services::Protocols; public ref class MyService { public: int Add( int xValue, int yValue ) { return (xValue + yValue); } }; int main() { Type^ myType = MyService::typeid; MethodInfo^ myMethodInfo = myType->GetMethod( "Add" ); LogicalMethodInfo^ myLogicalMethodInfo = gcnew LogicalMethodInfo( myMethodInfo ); Console::WriteLine( "\nPrinting properties of method : {0}\n", myLogicalMethodInfo ); Console::WriteLine( "\nThe declaring type of the method {0} is :\n", myLogicalMethodInfo->Name ); Console::WriteLine( "\t {0}", myLogicalMethodInfo->DeclaringType ); 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( "\t {0}", String::Concat( myParameters[ i ]->Name, " : ", myParameters[ i ]->ParameterType ) ); } Console::WriteLine( "\nThe return type of the method {0} is :\n", myLogicalMethodInfo->Name ); Console::WriteLine( "\t {0}", myLogicalMethodInfo->ReturnType ); MyService^ service = gcnew MyService; Console::WriteLine( "\nInvoking the method {0}\n", myLogicalMethodInfo->Name ); array<Object^>^values = gcnew array<Object^>(2); values[ 0 ] = 10; values[ 1 ] = 10; Console::WriteLine( "\tThe sum of 10 and 10 is : {0}", myLogicalMethodInfo->Invoke( service, values ) ); }
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.