Attachment #289405 for bug #497175

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Lines 476-482 Link Here

(-)class/Managed.Windows.Forms/System.Windows.Forms/XplatUIDriver.cs (-2 / +21 lines)
476	{	476	{
477	AsyncMethodData data = (AsyncMethodData) state;	477	AsyncMethodData data = (AsyncMethodData) state;
478	AsyncMethodResult result = data.Result;	478	AsyncMethodResult result = data.Result;
479	object ret = data.Method.DynamicInvoke (data.Args);	479
		480	object ret;
		481	try {
		482	ret = data.Method.DynamicInvoke (data.Args);
		483	} catch (Exception ex) {
		484	if (result != null) {
		485	result.CompleteWithException (ex);
		486	return;
		487	}
		488
		489	throw ex;
		490	}
		491
480	if (result != null) {	492	if (result != null) {
481	result.Complete (ret);	493	result.Complete (ret);
482	}	494	}
Lines 513-519 Link Here
513		525
514	try {	526	try {
515	AsyncMethodResult result = data.Result;	527	AsyncMethodResult result = data.Result;
516	object ret = data.Method.DynamicInvoke (data.Args);	528	object ret;
		529	try {
		530	ret = data.Method.DynamicInvoke (data.Args);
		531	} catch (Exception ex) {
		532	result.CompleteWithException (ex);
		533	return;
		534	}
		535
517	result.Complete (ret);	536	result.Complete (ret);
518	}	537	}
519	finally {	538	finally {

Lines 34-39 Link Here

(-)class/Managed.Windows.Forms/System.Windows.Forms/AsyncMethodResult.cs (-2 / +20 lines)
34	private object state;	34	private object state;
35	private bool completed;	35	private bool completed;
36	private object return_value;	36	private object return_value;
		37	private Exception exception;
37		38
38	public AsyncMethodResult ()	39	public AsyncMethodResult ()
39	{	40	{
Lines 68-77 Link Here
68	public object EndInvoke ()	69	public object EndInvoke ()
69	{	70	{
70	lock (this) {	71	lock (this) {
71	if (completed)	72	if (completed) {
72	return return_value;	73	if (exception == null)
		74	return return_value;
		75	else
		76	throw exception;
		77	}
73	}	78	}
74	handle.WaitOne ();	79	handle.WaitOne ();
		80
		81	if (exception != null)
		82	throw exception;
		83
75	return return_value;	84	return return_value;
76	}	85	}
77		86
Lines 83-88 Link Here
83	handle.Set ();	92	handle.Set ();
84	}	93	}
85	}	94	}
		95
		96	public void CompleteWithException (Exception ex)
		97	{
		98	lock (this) {
		99	completed = true;
		100	exception = ex;
		101	handle.Set ();
		102	}
		103	}
86	}	104	}
87		105
88	}	106	}

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