internal string RaiseOnPromptEvent(string Message)
{
if (_loginPassword != null && Message == "Enter password: ")
{
//no need to raise an event...
return(_loginPassword);
}
// Make a temporary copy of the event to avoid possibility of
// a race condition if the last subscriber unsubscribes
// immediately after the null check and before the event is raised.
OnPromptEventHandler handler = OnPrompt;
// Event will be null if there are no subscribers
if (handler != null)
{
P4PromptEventArgs e = new P4PromptEventArgs(Message);
// Use the () operator to raise the event.
handler(this, e);
return(e.Response);
}
else
{
return(string.Empty);
}
}
// Wrap event invocations inside a protected virtual method
// to allow derived classes to override the event invocation behavior
private string RaiseOnPromptEvent(string Message)
{
// Make a temporary copy of the event to avoid possibility of
// a race condition if the last subscriber unsubscribes
// immediately after the null check and before the event is raised.
OnPromptEventHandler handler = OnPrompt;
// Event will be null if there are no subscribers
if (handler != null)
{
P4PromptEventArgs e = new P4PromptEventArgs(Message);
// Use the () operator to raise the event.
handler(this, e);
return e.Response;
}
else
{
return string.Empty;
}
}
private void HandleOnPrompt(object sender, P4PromptEventArgs e)
{
e.Response = RaiseOnPromptEvent(e.Message);
}
private void HandleOnPrompt(object sender, P4PromptEventArgs e)
{
e.Response = RaiseOnPromptEvent(e.Message);
}
