Wpf textbox validating event
Pressing the Cancel button indicates that a user wants to stop the function from executing altogether.The most common examples of modal dialog boxes are shown to open, save, and print data.
Toolkit releases include open source code, samples & docs, plus design-time support for the Silverlight browser plugin.
Warning ' Display message box Dim result As Message Box Result = Message Box. For these, Windows Presentation Foundation (WPF) provides several common dialog boxes and allows you to create your own dialog boxes, although the use of either is limited to applications running with full trust. Default Ext = ".txt"; // Default file extension dlg. File Name = "Document" ' Default file name dlg. Filter = "Text documents (.txt)|*.txt"; // Filter files by extension // Show save file dialog box Nullable' Configure save file dialog box Dim dlg As New Microsoft. Default Ext = ".text" ' Default file extension dlg. The entire process of instantiating, configuring, and opening a dialog box is shown in the following code.