I just started working with VB. I will need to have the exact number of used rows in an excel file I had a look at this post. VB. Net Dialog Boxes. There are many built in dialog boxes to be used in Windows forms for various tasks like opening and saving files, printing a page, providing choices for colors, fonts, page setup, etc., to the user of an application. These built in dialog boxes reduce the developers time and workload. All of these dialog box control classes inherit from the Common. Dialog class and override the Run. Dialog function of the base class to create the specific dialog box. The Run. Dialog function is automatically invoked when a user of a dialog box calls its Show. Dialog function. The Show. Dialog method is used to display all the dialog box controls at run time. It returns a value of the type of Dialog. Result enumeration. The values of Dialog. Result enumeration are Abort returns Dialog. Result. Abort value, when user clicks an Abort button. Cancel returns Dialog. I am opening a file using OpenFileDialog. My code is as follows Public Sub ShowOpenDialog Dim f As New OpenFileDialog f. InitialDirectory GetFolderPath. VB. Net Dialog Boxes Learn VB. Regarder Nrj Music Awards 2012 Replay. Net Programming in simple and easy steps starting from Environment setup, Basic Syntax, Data Types, Type Conversion, Variables. A RichTextBox control is an advanced text box that provides text editing and advanced formatting features including loading rich text format RTF files. In this. In this article we will learn how to disable an open file security warning in Windows 8. VB0823_FigD.gif' alt='Vb.Net Openfiledialog Not Opening File' title='Vb.Net Openfiledialog Not Opening File' />Result. Cancel, when user clicks a Cancel button. Ignore returns Dialog. Result. Ignore, when user clicks an Ignore button. No returns Dialog. Result. No, when user clicks a No button. None returns nothing and the dialog box continues running. OK returns Dialog. Result. OK, when user clicks an OK button Retry returns Dialog. Result. Retry, when user clicks an Retry button Yes returns Dialog. Result. Yes, when user clicks an Yes button The following diagram shows the common dialog class inheritance All these above mentioned classes have corresponding controls that could be added from the Toolbox during design time. You can include relevant functionality of these classes to your application, either by instantiating the class programmatically or by using relevant controls. When you double click any of the dialog controls in the toolbox or drag the control onto the form, it appears in the Component tray at the bottom of the Windows Forms Designer, they do not directly show up on the form. The following table lists the commonly used dialog box controls. Click the following links to check their detail S. N. Control Description. Color. Dialog. It represents a common dialog box that displays available colors along with controls that enable the user to define custom colors. Font. Dialog. It prompts the user to choose a font from among those installed on the local computer and lets the user select the font, font size, and color. Open. File. Dialog. It prompts the user to open a file and allows the user to select a file to open. Save. File. Dialog. It prompts the user to select a location for saving a file and allows the user to specify the name of the file to save data. Print. Dialog. It lets the user to print documents by selecting a printer and choosing which sections of the document to print from a Windows Forms application.