private static void OnCheckFileOpen(AppInstanceInfo sender, string data)
{
bool isFileOpen = MainWindow?.IsFileOpen(data) ?? false;
Trace.WriteLine($"PID: {Current.ProcessID} IsFileOpen('{data}') => {isFileOpen}");
SendAction(sender, MSG_RETURN_FILE_OPEN, isFileOpen.ToString());
}
public static void Initialize(BrickEditorWindow mainWindow)
{
var myProc = Process.GetCurrentProcess();
ProcessName = myProc.ProcessName;
Current = new AppInstanceInfo()
{
WindowHandle = myProc.MainWindowHandle,
ProcessID = myProc.Id,
InstanceID = Guid.NewGuid().ToString("N")
};
MainWindow = mainWindow;
if (Current.WindowHandle == IntPtr.Zero)
{
Current.WindowHandle = mainWindow.Handle;
}
MessageHandlers.Add(MSG_NOTIFY, OnNotify);
MessageHandlers.Add(MSG_QUERY_FILE_OPEN, OnCheckFileOpen);
PollActiveInstances();
}
public static void PollActiveInstances()
{
AppInstances.Clear();
var otherProcs = Process.GetProcessesByName(ProcessName);
if (otherProcs.Length > 1)
{
foreach (var proc in otherProcs)
{
if (proc.Id == Current.ProcessID)
{
continue;
}
var instanceInfo = new AppInstanceInfo()
{
ProcessID = proc.Id,
WindowHandle = proc.MainWindowHandle
};
AppInstances.Add(instanceInfo);
SendAction(instanceInfo, MSG_NOTIFY, Current.ToString());
break;
}
}
}
private static void OnNotify(AppInstanceInfo sender, string data)
{
var instanceInfo = AppInstanceInfo.Parse(data);
if (!AppInstances.Any(a => a.ProcessID == instanceInfo.ProcessID))
{
AppInstances.Add(instanceInfo);
}
}
//private static async Task<string> AwaitResponse(string action)
//{
// var mre = new ManualResetEvent(false);
// string actionResult = null;
// MessageHandlers.Add(action, (AppInstanceInfo sender, string msg) =>
// {
// mre.Set();
// actionResult = msg;
// });
// var waitTask = Task.Factory.StartNew(() =>
// {
// mre.WaitOne(2000);
// Trace.WriteLine("ManualResetEvent is set!");
// });
// await waitTask;
// mre.Dispose();
// MessageHandlers.Remove(action);
// return actionResult;
//}
private static void SendAction(AppInstanceInfo instance, string actionName, string message)
{
try
{
SendDataMessage(Current.WindowHandle, instance.WindowHandle, $"{MSG_HEADER}{actionName}#{message}");
}
catch
{
CheckIsActive(instance);
}
}
private static bool CheckIsActive(AppInstanceInfo instance)
{
bool isActive = false;
try
{
var instanceProc = Process.GetProcessById(instance.ProcessID);
isActive = (instanceProc != null && instanceProc.ProcessName == ProcessName);
}
catch { }
if (!isActive)
{
AppInstances.Remove(instance);
}
return(isActive);
}
private static string GetActionResult(AppInstanceInfo instance, string actionName, string resultName, string data)
{
var mre = new ManualResetEvent(false);
string actionResult = null;
MessageHandlers.Add(resultName, (AppInstanceInfo sender, string msg) =>
{
mre.Set();
actionResult = msg;
});
SendAction(instance, actionName, data);
mre.WaitOne(1500);
mre.Dispose();
MessageHandlers.Remove(resultName);
return(actionResult);
}
