#using <system.dll>
#using <system.messaging.dll>
using namespace System;
using namespace System::Messaging;
ref class MyNewQueue
{
public:
/**************************************************/
// Retrieves the default properties for a Message.
/**************************************************/
void RetrieveDefaultProperties()
{
// Connect to a message queue.
MessageQueue^ myQueue = gcnew MessageQueue( ".\\myQueue" );
// Specify to retrieve the default properties only.
myQueue->MessageReadPropertyFilter->SetDefaults();
// Set the formatter for the Message.
array<Type^>^p = gcnew array<Type^>(1);
p[ 0 ] = String::typeid;
myQueue->Formatter = gcnew XmlMessageFormatter( p );
// Receive the first message in the queue.
Message^ myMessage = myQueue->Receive();
// Display selected properties.
Console::WriteLine( "Label: {0}", myMessage->Label );
Console::WriteLine( "Body: {0}", static_cast<String^>(myMessage->Body) );
return;
}
/**************************************************/
// Retrieves all properties for a Message.
/**************************************************/
void RetrieveAllProperties()
{
// Connect to a message queue.
MessageQueue^ myQueue = gcnew MessageQueue( ".\\myQueue" );
// Specify to retrieve all properties.
myQueue->MessageReadPropertyFilter->SetAll();
// Set the formatter for the Message.
array<Type^>^p = gcnew array<Type^>(1);
p[ 0 ] = String::typeid;
myQueue->Formatter = gcnew XmlMessageFormatter( p );
// Receive the first message in the queue.
Message^ myMessage = myQueue->Receive();
// Display selected properties.
Console::WriteLine( "Encryption algorithm: {0}", myMessage->EncryptionAlgorithm.ToString() );
Console::WriteLine( "Body: {0}", myMessage->Body );
return;
}
/**************************************************/
// Retrieves application-specific properties for a
// Message.
/**************************************************/
void RetrieveSelectedProperties()
{
// Connect to a message queue.
MessageQueue^ myQueue = gcnew MessageQueue( ".\\myQueue" );
// Specify to retrieve selected properties.
MessagePropertyFilter^ myFilter = gcnew MessagePropertyFilter;
myFilter->ClearAll();
// The following list is a random subset of available properties.
myFilter->Body = true;
myFilter->Label = true;
myFilter->MessageType = true;
myFilter->Priority = true;
myQueue->MessageReadPropertyFilter = myFilter;
// Set the formatter for the Message.
array<Type^>^p = gcnew array<Type^>(1);
p[ 0 ] = String::typeid;
myQueue->Formatter = gcnew XmlMessageFormatter( p );
// Receive the first message in the queue.
Message^ myMessage = myQueue->Receive();
// Display selected properties.
Console::WriteLine( "Message type: {0}", myMessage->MessageType.ToString() );
Console::WriteLine( "Priority: {0}", myMessage->Priority.ToString() );
return;
}
};
/**************************************************/
// Provides an entry point into the application.
//
// This example retrieves specific groups of Message
// properties.
/**************************************************/
int main()
{
// Create a new instance of the class.
MyNewQueue^ myNewQueue = gcnew MyNewQueue;
// Retrieve specific sets of Message properties.
myNewQueue->RetrieveDefaultProperties();
myNewQueue->RetrieveAllProperties();
myNewQueue->RetrieveSelectedProperties();
return 0;
}