public void Test_BeginRequest_Before_Connect()
{
using var server = new TestServer(ServiceName);
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using var client = new DdeClient(ServiceName, TopicName);
Assert.Throws<InvalidOperationException>(() => client.BeginRequest(ItemName, 1, null, null));
}
public static void RunDdeClient()
{
// Wait for the user to press ENTER before proceding.
Console.WriteLine("The Server sample must be running before the client can connect.");
Console.WriteLine("Press ENTER to continue...");
Console.ReadLine();
try
{
// Create a client that connects to 'myapp|mytopic'.
using (DdeClient client = new DdeClient("EXCEL", "[Book1.xlsx]2011-06-22"))
{
//[stock.xls]Sheet1!'r2c2'
// Subscribe to the Disconnected event. This event will notify the application when a conversation has been terminated.
client.Disconnected += OnDisconnected;
// Connect to the server. It must be running or an exception will be thrown.
client.Connect();
// Synchronous Execute Operation
// client.Execute("mycommand", 60000);
// Synchronous Poke Operation
//client.Poke("myitem", DateTime.Now.ToString(), 60000);
//client.Poke("A3", DateTime.Now.ToString(), 60000);
// Syncronous Request Operation
//Console.WriteLine("Request: " + client.Request("myitem", 60000));
Console.WriteLine("Request: " + client.Request("'r1c1'", 60000));
// Asynchronous Execute Operation
//client.BeginExecute("mycommand", OnExecuteComplete, client);
// Asynchronous Poke Operation
//client.BeginPoke("myitem", Encoding.ASCII.GetBytes(DateTime.Now.ToString() + "\0"), 1, OnPokeComplete, client);
client.BeginPoke("A2", Encoding.ASCII.GetBytes(DateTime.Now.ToString() + "\0"), 1, OnPokeComplete, client);
// Asynchronous Request Operation
//client.BeginRequest("myitem", 1, OnRequestComplete, client);
client.BeginRequest("A4", 1, OnRequestComplete, client);
// Advise Loop
client.StartAdvise("myitem", 1, true, 60000);
client.Advise += OnAdvise;
// Wait for the user to press ENTER before proceding.
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
}
}
catch (Exception e)
{
Console.WriteLine(e.GetType().ToString());
Console.WriteLine(e.Message);
Console.WriteLine(e.InnerException);
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
}
}
public void Test_BeginRequest_After_Dispose()
{
using var server = new TestServer(ServiceName);
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using var client = new DdeClient(ServiceName, TopicName);
client.Connect();
client.Dispose();
Assert.Throws<ObjectDisposedException>(() => client.BeginRequest(ItemName, 1, null, null));
}
public void Test_BeginRequest()
{
using var server = new TestServer(ServiceName);
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using var client = new DdeClient(ServiceName, TopicName);
client.Connect();
var ar = client.BeginRequest(ItemName, 1, null, null);
Assert.IsTrue(ar.AsyncWaitHandle.WaitOne(Timeout, false));
}
public void Test_BeginRequest_Before_Connect()
{
using (TestServer server = new TestServer(ServiceName))
{
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using (DdeClient client = new DdeClient(ServiceName, TopicName))
{
IAsyncResult ar = client.BeginRequest(ItemName, 1, null, null);
}
}
}
public void Test_EndRequest_After_Dispose()
{
using var server = new TestServer(ServiceName);
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using var client = new DdeClient(ServiceName, TopicName);
client.Connect();
var ar = client.BeginRequest(ItemName, 1, null, null);
Assert.IsTrue(ar.AsyncWaitHandle.WaitOne(Timeout, false));
client.Dispose();
Assert.Throws<ObjectDisposedException>(() => client.EndRequest(ar));
}
public void Test_EndRequest_After_Dispose()
{
using (TestServer server = new TestServer(ServiceName))
{
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using (DdeClient client = new DdeClient(ServiceName, TopicName))
{
client.Connect();
IAsyncResult ar = client.BeginRequest(ItemName, 1, null, null);
Assert.IsTrue(ar.AsyncWaitHandle.WaitOne(Timeout, false));
client.Dispose();
byte[] data = client.EndRequest(ar);
}
}
}
