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  • . NET Events - What are object sender EventArgs e?
    Manually cast the sender to the type of your custom control, and then use it to delete or disable etc Eg, something like this: private void myCustomControl_Click(object sender, EventArgs e) { ((MyCustomControl)sender) DoWhatever(); } The 'sender' is just the object that was actioned (eg clicked)
  • C# WPF how to use value of object sender to clear value in the input . . .
    To put it in a nutshell: I'd like to know if it is possible to retrieve the value for instance "txtBarauslagen Text" or the object "txtBarauslagen" ( = my input-text-field) from "object sender) c# wpf
  • Cast sender object in event handler using GetType (). Name
    RichTextBox tb = (RichTextBox)sender In handler #2 accordingly: TextBox tb = (TextBox)sender Doing so I can fully manipulate the sending control How can I cast the sending object to Textbox or RichTextbox according to its type using sender GetType() Name and then create the control at runtime and work with it?
  • Getting name from sender (Multi Type) on WPF - Stack Overflow
    Actually, casting an object to Object is useless, they are the same thing and Object does not have a Name property var scrollViewer = (FrameworkElement)sender; By simply looking up the MSDN documentation for Label and Image you find: Name Gets or sets the identifying name of the element
  • What is the use of object sender and EventArgs e parameters?
    @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 'object' type When unboxed at run-time, the underlying instance of the wrapped object is projected to the capturing class In this case 'Button'
  • Understanding C# Events use of sender object - Stack Overflow
    private void textBox1_TextChanged(object sender, EventArgs e) { Whatever(sender); } private void Whatever(object sender) { TextBox tb = (TextBox)sender; tb Text = "yo"; } If object wasn't passed by reference, textBox1 would retain whatever text you typed into it
  • wpf - Get Sender TextBox Name in Event Keydown - Stack Overflow
    I am working on an application using WPF and C# On a window I have number of textBoxes arranged in a grid of 5 columns and rows as many as user needs It works like this: Initially the 1st row of 5 textBoxes is visible, the user enters appropriate values and as soon as he hits ENTER in the 5th textBox of the row, a new similar row of textBoxes
  • how to extract a property value from a object sender?
    Get a property value with only the object and the name of the property (but not the type) 37 Get value of a specific object property in C# without knowing the class behind
  • wpf - RoutedEventArgs. Source vs Sender - Stack Overflow
    sender is the object at which the event handler was attached This is the owner that raised the handler to begin routing the event From MSDN: A difference between sender and Source is the result of the event being routed to different elements, during the traversal of the routed event through an element tree Source is the object where the
  • Passing event args and sender to the RelayCommand
    My suggestion is to instead hook up to the event in the code-behind page, find out what you need to know about the sender or what-not, and then execute the viewmodel command programmatically That is also breaking the MVVM "rules", but IMHO it is a much slighter hack than referencing the sender in your viewmodel





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