Validating the value

This topic discusses each, and the Dialog Box Sample provides matching examples.

Warning; ' Configure the message box to be displayed Dim message Box Text As String = "Do you want to save changes? End Select For more information on using message boxes, see Message Box, Message Box Sample, and Dialog Box Sample. When a menu item runs a function that displays a dialog box which does not require user interaction, such as an About dialog box, an ellipsis is not required.

" Dim caption As String = "Word Processor" Dim button As Message Box Button = Message Box Button. Although Message Box may offer a simple dialog box user experience, the advantage of using Message Box is that is the only type of window that can be shown by applications that run within a partial trust security sandbox (see Security), such as XAML browser applications (XBAPs). A dialog box is typically shown as a result of a user selecting a menu item to perform a domain-specific function, such as setting the margins of a document in a word processor.

Message Box lets you configure the message box text, title, icon, and buttons, using code like the following. User Page Range Enabled = true; // Show save file dialog box Nullable' Configure printer dialog box Dim dlg As New Print Dialog() dlg. As we'll see, a dialog box is a window with special behaviors.

// Configure the message box to be displayed string message Box Text = "Do you want to save changes? Window implements those behaviors and, consequently, you use Window to create custom modal and modeless dialog boxes.

The following figure shows a message box that displays textual information, asks a question, and provides the user with three buttons to answer the question. While common dialog boxes are useful, and should be used when possible, they do not support the requirements of domain-specific dialog boxes.

Last modified 23-Jul-2016 00:19