Ejemplo n.º 1
0
        private String Get_richTextBoxFromSubscribers()
        {
            CheckForIllegalCrossThreadCalls = false;  // Defeats:  Control 'textBoxMsg' accessed from a thread other than the thread it was created on.
            String retval = "";

            // InvokeRequired required compares the thread ID of the calling thread to the thread ID of the creating
            // thread.  If these threads are different, it returns true.
            if (this.richTextBoxFromSubscribers.InvokeRequired)
            {
                try
                {
                    VoidArgReturningStringDelegate d = new VoidArgReturningStringDelegate(Get_richTextBoxFromSubscribers);
                    retval = (String)this.Invoke(d, new object[] { });
                }
                catch (System.Exception se)
                {
                }
            }
            else
            {
                retval = this.richTextBoxFromSubscribers.Text;
            }

            CheckForIllegalCrossThreadCalls = true;
            return(retval);
        }
Ejemplo n.º 2
0
 protected override void OnRestore(Stream stream)
 {
     _windowsDash = Dashboard.dash;
     _appendText  = new StringArgReturningVoidDelegate(_windowsDash.Output_box().AppendText);
     _getText     = new VoidArgReturningStringDelegate(_windowsDash.getText);
     if (_text != null)
     {
         _windowsDash.Output_box().Invoke(_appendText, _text);
     }
 }
Ejemplo n.º 3
0
        private String Get_richTextBoxHistoryResponses()
        {
            String retval;

            // InvokeRequired required compares the thread ID of the
            // calling thread to the thread ID of the creating thread.
            // If these threads are different, it returns true.
            if (this.richTextBoxHistoryResponses.InvokeRequired)
            {
                lock (thisLock)
                {                                                      // 03-28-2017:  Testing whether a lock solves the cross thread contention here.    https://msdn.microsoft.com/en-us/library/c5kehkcz(v=vs.140).aspx
                    VoidArgReturningStringDelegate d = new VoidArgReturningStringDelegate(Get_richTextBoxHistoryResponses);
                    retval = (String)this.Invoke(d, new object[] { }); // There's a cross thread contention here.
                }
            }
            else
            {
                retval = this.richTextBoxHistoryResponses.Text;
            }

            return(retval);
        }
Ejemplo n.º 4
0
 public TwitterDashboard(Dashboard windowsDash)
 {
     _windowsDash = windowsDash;
     _appendText  = new StringArgReturningVoidDelegate(_windowsDash.Output_box().AppendText);
     _getText     = new VoidArgReturningStringDelegate(_windowsDash.getText);
 }