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);
}
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);
}
}
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);
}
public TwitterDashboard(Dashboard windowsDash)
{
_windowsDash = windowsDash;
_appendText = new StringArgReturningVoidDelegate(_windowsDash.Output_box().AppendText);
_getText = new VoidArgReturningStringDelegate(_windowsDash.getText);
}