public void GetResultsOnCallback(IAsyncResult ar)
{
GetAddressDelegate del = (GetAddressDelegate)
((AsyncResult)ar).AsyncDelegate;
try
{
string result;
result = del.EndInvoke(ar);
Console.WriteLine("\nOn CallBack: result is " + result);
}
catch (Exception ex)
{
Console.WriteLine("\nOn CallBack, problem occurred: " + ex.Message);
}
}
public void GetAddressAsyncWait(string name)
{
GetAddressDelegate dc = new GetAddressDelegate(this.GetAddress);
IAsyncResult ar = dc.BeginInvoke(name, null, null);
// Main thread can in principle do other work now
try
{
string result = dc.EndInvoke(ar);
Console.WriteLine("\nAsync waiting : " + result);
}
catch (Exception ex)
{
Console.WriteLine("\nAsync waiting, a problem occurred : " +
ex.Message);
}
}
public void GetResultsOnCallback(IAsyncResult ar)
{
GetAddressDelegate del = (GetAddressDelegate)((AsyncResult)ar).AsyncDelegate;
try
{
string result;
result = del.EndInvoke(ar);
lock (this)
{
this.address = result;
this.status = ResultStatus.Done;
}
}
catch (Exception ex)
{
lock (this)
{
this.address = ex.Message;
this.status = ResultStatus.Failed;
}
}
}