What's the difference between Sender, From and Return-Path?
So, the sender header is set to [email protected], to indicate the From header doesn't indicate who actually submitted the message. In this case, if the message cannot be sent, it's probably …
Cast sender object in event handler using GetType ().Name
I know this is a very old post but in Framework 4 you can cast the sender as a Control: Control cntrl = (Control)sender; cntrl.Text = "This is a " + sender.GetType().ToString(); Note you are …
What is the use of "object sender" and "EventArgs e" parameters?
2013年1月23日 · @EduardoPignatelli, The relationship between 'sender' and 'Button' in the inheritance hierarchy, is that they are both 'object' types. 'sender' is simply a wrapper for an …
windows - sender as in C# - Stack Overflow
var rectangle = sender as Rectangle; There are two possibilities: sender is a type that can be assigned to a Rectangle, in which case, rectangle will contain a reference to the same object …
vba - Get sender email address - Stack Overflow
2013年11月14日 · Private WithEvents Items As Outlook.Items Private Sub Application_Startup() Dim objNS As Outlook.NameSpace Set objNS = GetNamespace("MAPI") Set Items = …
Explain this: CheckBox checkbox = (CheckBox)sender;
2010年9月23日 · The line simply casts sender to a CheckBox. Why? The event handler signature for the CheckedChanged event is: CheckChanged(object sender, EventArgs e) So, you need …
Understanding C# Events use of sender object - Stack Overflow
2012年1月6日 · About events, the sender parameter is always the object that generated the event (for example a Button in a Click event on a button). If you want to pass arbitrary data in a …
How can I get the sender email address using Outlook ... - Stack …
2014年6月23日 · In C# you can access the sender's email address using the SendUsingAccount.SmtpAddress property of the Outlook MailItem. It returns a string object. …
Working with "object sender, EventArgs e" inside an Event Handler
2014年7月21日 · (object sender, XXArgs e) where XXArgs is a class that inherits from EventArgs. sender is, well, the sender of the event. In your example, if you click on a button, the button …
c# - Get sender name event handler - Stack Overflow
2013年11月30日 · The sender object is actually the Control that initiated the event, you can cast it to the proper type to access all of its properties. You can use the Name as stated or as I …