static void Main(string[] args)
{
System.Console.WriteLine("DDE Console");
String _myapp = "TOS";
String _topic = "LAST";
String _item = "SPY";
try
{
// Create a client that connects to 'myapp|topic'.
using (DdeClient client = new DdeClient(_myapp, _topic))
{
// 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();
// Advise Loop
client.StartAdvise(_item, 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.ToString());
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
}
}
private void CollectPrice()
{
string _topic = "LAST";
string _myapp = Properties.Settings.Default.AppDDE;
string expiration = "110416";
string item = "'.SPY" + expiration; //'.SPY110416C132'
DdeClient client;
try
{
// Create a client that connects to 'myapp|topic'.
using (client = new DdeClient(_myapp, _topic))
{
// Subscribe to the Disconnected event. This event will notify the application when a conversation has been terminated.
client.Disconnected += OnDisconnectedPrice;
// Connect to the server. It must be running or an exception will be thrown.
client.Connect();
client.StartAdvise("SPY", 1, true, 60000);
// Advise Loop
for (int j = 0; j < 2; j++)
{
string cp = (j == 0) ? "C" : "P";
int strike = 127;
for (int i = 0; i < 10; i++)
{
++strike;
string _item = item + cp + strike.ToString();
client.StartAdvise(_item, 1, true, 60000);
}
}
client.Advise += OnAdvisePrice;
}
}
catch (Exception e)
{
//MessageBox.Show(e.ToString());
log.WriteLine(getTimeStamp() + " Price " + e.ToString());
}
}
public static void Main(string[] args)
{
// 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("myapp", "mytopic"))
{
// 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);
// Syncronous Request Operation
Console.WriteLine("Request: " + client.Request("myitem", 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);
// Asynchronous Request Operation
client.BeginRequest("myitem", 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.ToString());
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
}
}
static void Main(string[] args)
{
var client = new DdeClient("MT4", "QUOTE");
beat = new QuoteBeat();
writer = new LogDataWriter("EURUSD");
client.Advise += client_Advise;
client.Connect();
client.StartAdvise("EURUSD", 1, true, 60000);
Console.ReadLine();
writer.Close();
}
/** 新增項目(Item), 並取得該項目的值(Value)
* 1. 呼叫 DdeClient 的 "Request()" & "StartAdvise" 取得該 Item 的值
* 2. 利用 service|topic!item 字串為 key
* 2.1 ht_gdv(HashTable) -> (key, DataGridViewRow)
* 3. 在 dgItemInfo(DataGridView)新增一列, 顯示項目相關資訊
*
* <param name="dc"> "新增項目" 按鈕事件所在列對應的 DdeClient
* <param name="item"> "新增項目" 名稱(Name)
*/
private void AddItem(DdeClient dc, string item)
{
try
{
string key = dc.Service + "|" + dc.Topic + "!" + item;
Item it = new Item();
it.item = item; it.value = "";
try
{
//Synchronous Request Operation, 用以取得第一次呼叫的值
//eLeader, 康和 並未支援同步呼叫; yeswin/hts 則有支援
byte[] data = dc.Request(item, 1, 60000);
int codepage = Encoding.Default.CodePage; //取得編碼的 codpage. 中文 Default: 950
string value = Encoding.GetEncoding(codepage).GetString(data, 0, data.Length);
//it.value = Encoding.ASCII.GetString(data);
it.value = value;
}
catch (Exception )
{
; //忽略該錯誤
}
// Advise Loop
dc.StartAdvise(item, 1, true, 60000);
//Add a Row
int idx = dgItemInfo.Rows.Add(dc.Service, dc.Topic, item, it.value);
//保存 key 與 所在新增 Row
ht_gdv.Add(key, dgItemInfo.Rows[idx]);
}
catch (Exception thrown)
{
MessageBox.Show("無法新增項目： \n" + thrown.Message);
}
}
static void Main(string[] args)
{
XmlDocument xml = new XmlDocument();
try
{
xml.Load(@"tase.xml");
}
catch (Exception )
{
Console.WriteLine("File dde.xml was not found in current folder!");
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
return;
}
Dictionary<string, string> myDict = new Dictionary<string, string>();
XmlNodeList nodeList;
XmlElement root = xml.DocumentElement;
nodeList = root.SelectNodes("/tase/option");
foreach (XmlNode option in nodeList)
{
XmlNodeList optionsData = option.ChildNodes;
string opname = "";
string id = "";
string exp = "";
foreach (XmlNode op in optionsData)
{
if (op.Name == "name")
{
opname = op.InnerText.Substring(0, 6);
}
else if (op.Name == "id")
{
id = op.InnerText;
}
else if (op.Name == "expiration")
{
DateTime dt = DateTime.ParseExact(op.InnerText, "dd/MM/yyyy",
CultureInfo.InvariantCulture);
exp = dt.Month.ToString();
}
}
//Console.Write("{0} {1}\n", opname+"_"+exp, id);
myDict.Add(opname + "_" + exp, id);
}
// create a writer and open the file
string filename = "data" + DateTime.Now.Day.ToString() + DateTime.Now.Month.ToString() + ".txt";
tw = new StreamWriter(filename);
tw.WriteLine("DDE BIZPORTAL {0:MM/dd/yy}", DateTime.Now);
string _myapp = "Star32";
string _topic = "DDE";
try
{
// Create a client that connects to 'myapp|topic'.
using (DdeClient client = new DdeClient(_myapp, _topic))
{
// 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();
// Advise Loop
foreach (KeyValuePair<string, string> pair in myDict)
{
foreach(string name in Enum.GetNames(typeof(DDE_VALUES)))
{
string advice = name + pair.Value;
client.StartAdvise(advice, 1, true, 60000);
}
}
client.Advise += OnAdvise;
// Wait for the user to press ENTER before proceding.
Console.WriteLine("Press Ctrl X to quit...");
ConsoleKeyInfo info = Console.ReadKey(true);
while (info.Key != ConsoleKey.X && info.Modifiers != ConsoleModifiers.Control)
{
info = Console.ReadKey(true);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
}
// close the stream
tw.Close();
}
public void Test_StopAdvise()
{
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();
client.StartAdvise(ItemName, 1, true, Timeout);
client.StopAdvise(ItemName, Timeout);
}
}
}
public void Test_StartAdvise_Variation_3()
{
using (TestServer server = new TestServer(ServiceName))
{
server.Register();
server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
using (DdeClient client = new DdeClient(ServiceName, TopicName))
{
EventListener listener = new EventListener();
client.Advise += listener.OnEvent;
client.Connect();
client.StartAdvise(ItemName, 1, true, true, Timeout, "MyStateObject");
server.Advise(TopicName, ItemName);
Assert.IsTrue(listener.Received.WaitOne(Timeout, false));
DdeAdviseEventArgs args = (DdeAdviseEventArgs)listener.Events[0];
Assert.AreEqual(ItemName, args.Item);
Assert.AreEqual(1, args.Format);
Assert.AreEqual("MyStateObject", args.State);
Assert.AreEqual(TestData, Encoding.ASCII.GetString(args.Data));
Assert.AreEqual(TestData, args.Text);
}
}
}
public async Task<object> GetInvoker(IDictionary<string, object> input)
{
var services = (IDictionary<string, object>)input["services"];
var callbacks = (IDictionary<string, object>)input["callbacks"];
var encoding = input.ContainsKey("encoding")
? Encoding.GetEncoding((string)input["encoding"]) : null;
var decode = encoding == null
? (Func<object, string>)((s) => (string)s) : (s) => HttpUtility.UrlDecode((string)s, encoding);
var clients = new List<DdeClient>();
foreach (string service in services.Keys)
{
var topics = (IDictionary<string, object>)services[service];
foreach (string topic in topics.Keys)
{
DdeClient client = new DdeClient(decode(service), decode(topic));
clients.Add(client);
}
}
var onDisconnected = (Func<object, Task<object>>)callbacks["OnDisconnected"];
foreach (DdeClient client in clients)
{
client.Disconnected += async (object sender, DdeDisconnectedEventArgs args) =>
{
var obj = new Dictionary<string, object>();
obj["service"] = client.Service;
obj["topic"] = client.Topic;
obj["isDisposed"] = args.IsServerInitiated;
obj["isServerInitiated"] = args.IsServerInitiated;
await Task.Run(async () => await onDisconnected(obj));
};
}
var onAdvise = (Func<object, Task<object>>)callbacks["OnAdvise"];
foreach (DdeClient client in clients)
{
client.Advise += async (object sender, DdeAdviseEventArgs args) =>
{
var obj = new Dictionary<string, object>();
obj["service"] = client.Service;
obj["topic"] = client.Topic;
obj["item"] = args.Item;
obj["text"] = args.Text;
await Task.Run(async () => await onAdvise(obj));
};
}
return (Func<object, Task<object>>)(async (i) =>
{
var opts = (IDictionary<string, object>)i;
var method = (string)opts["method"];
var command = opts.ContainsKey("command") ? (string)opts["command"] : null;
var data = opts.ContainsKey("data") ? (string)opts["data"] : null;
var format = opts.ContainsKey("format") ? (int)opts["format"] : 1;
var timeout = opts.ContainsKey("timeout") ? (int)opts["timeout"] : 10000;
var hot = opts.ContainsKey("hot") ? (bool)opts["hot"] : true;
var callback = opts.ContainsKey("callback")
? (Func<object, Task<object>>)opts["callback"] : (o) => null;
var results = new List<IDictionary<string, object>>();
string item = null;
if (opts.ContainsKey("item"))
{
item = decode((string)opts["item"]);
}
if (clients.Count == 1 && item != null) // a single client and only one 'item' is supplied.
{
var client = clients.First();
((IDictionary<string, object>)services[client.Service])[client.Topic] = new[] { item };
byte[] result = null;
switch (method)
{
case "Request":
result = client.Request(item, format, timeout);
return Encoding.Default.GetString(result);
case "BeginExecute":
await Task.Run(() =>
{
var tcs = new TaskCompletionSource<bool>();
AsyncCallback cb = (ar) => { tcs.SetResult(true); };
client.BeginExecute(command, cb, client);
var r = tcs.Task.Result;
});
break;
case "BeginPoke":
await Task.Run(() =>
{
var tcs = new TaskCompletionSource<bool>();
AsyncCallback cb = (ar) => { tcs.SetResult(true); };
var bytes = Encoding.Default.GetBytes((string)opts["data"] + "\0");
client.BeginPoke(item, bytes, format, cb, client);
var r = tcs.Task.Result;
});
break;
case "BeginRequest":
await Task.Run(() =>
{
var tcs = new TaskCompletionSource<byte[]>();
AsyncCallback cb = (ar) =>
{
tcs.SetResult(client.EndRequest(ar));
};
client.BeginRequest(item, format, cb, client);
result = tcs.Task.Result;
});
return Encoding.Default.GetString(result);
case "BeginStartAdvise":
await Task.Run(() =>
{
var tcs = new TaskCompletionSource<bool>();
AsyncCallback cb = (ar) => { tcs.SetResult(true); };
client.BeginStartAdvise(item, format, hot, cb, client);
var r = tcs.Task.Result;
});
break;
case "BeginStopAdvise":
await Task.Run(() =>
{
var tcs = new TaskCompletionSource<bool>();
AsyncCallback cb = (ar) => { tcs.SetResult(true); };
client.BeginStopAdvise(item, cb, client);
var r = tcs.Task.Result;
});
break;
case "Service":
return client.Service;
case "Topic":
return client.Topic;
case "Handle":
return client.Handle;
case "IsConnected":
return client.IsConnected;
case "IsPaused":
return client.IsPaused;
}
}
if (clients.Count >= 1)
{
switch (method)
{
case "Connect":
clients.ForEach((c) => c.Connect());
break;
case "Disconnect":
clients.ForEach((c) => c.Disconnect());
break;
case "Pause":
clients.ForEach((c) => c.Pause());
break;
case "Resume":
clients.ForEach((c) => c.Resume());
break;
case "Execute":
clients.ForEach((c) => c.Execute(command, timeout));
break;
case "Poke":
foreach (DdeClient client in clients)
{
var topics = (IDictionary<string, object>)services[client.Service];
var items = (object[])topics[client.Topic];
foreach (string item_ in items)
{
client.Poke(decode(item_), data, timeout);
}
}
break;
case "Request":
foreach (DdeClient client in clients)
{
var topics = (IDictionary<string, object>)services[client.Service];
var items = ((object[])topics[client.Topic]).Select(decode);
foreach (string item_ in items)
{
var result = client.Request(item_, format, timeout);
var obj = new Dictionary<string, object>();
obj["service"] = client.Service;
obj["topic"] = client.Topic;
obj["item"] = item_;
obj["result"] = Encoding.Default.GetString(result);
results.Add(obj);
}
}
return results.ToArray();
case "StartAdvise":
foreach (DdeClient client in clients)
{
var topics = (IDictionary<string, object>)services[client.Service];
var items = ((object[])topics[client.Topic]).Select(decode);
foreach (string item_ in items)
{
client.StartAdvise(item_, format, hot, timeout);
}
}
break;
case "StopAdvise":
foreach (DdeClient client in clients)
{
var topics = (IDictionary<string, object>)services[client.Service];
var items = ((object[])topics[client.Topic]).Select(decode);;
foreach (string item_ in items)
{
client.StopAdvise(item_, timeout);
}
}
break;
case "Dispose":
clients.ForEach((c) => c.Dispose());
break;
case "Service":
return clients.Select((c) => c.Service).ToArray();
case "Topic":
return clients.Select((c) => c.Topic).Distinct().ToArray();
case "Handle":
return clients.Select((c) => c.Handle).ToArray();
case "IsConnected":
return clients.All((c) => c.IsConnected);
case "IsPaused":
return clients.All((c) => c.IsPaused);
}
}
return null;
});
}
private void StartAssetDDE()
{
String _topic = "LAST";
try
{
// Create a client that connects to 'myapp|topic'.
using (DdeClient client = new DdeClient(Properties.Settings.Default.APP, _topic))
{
// 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();
// Advise Loop
client.StartAdvise(Properties.Settings.Default.ITEM, 1, true, 60000);
client.Advise += OnAdvise;
}
}
catch (Exception e)
{
MessageBox.Show("Please run " + Properties.Settings.Default.APP + " and restart this application!");
}
}