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• How do I put my form in "design mode"?

  See the DesignModeDialog sample. This sample is a component, much like the common dialogs, that has a ShowDialog method. When invoked, ShowDialog takes a snapshot of the parent form, clones all the controls and creates a new designer form with the controls...

• How can I host a designer in my app?

  The new DesignSurface class drastically simplifies the code necessary to host a designer in your own application. The following lines of code show the most simple designer that can be created. Note: to run this code, a reference to System.Design.dll will...

• Are server side cursors supported in .NET?

  No. In fact, there are no updateable cursors anywhere in .NET. All of the data access in .NET is based on this disconnected data model. In .NET you push data into a DataSet. The DataSet keeps track of the changes that are made to the data. Then the DataSet...

• How do I call a SQL stored procedure?

  You call stored procedures in basically the same manner as executing other SQL commands. When creating the SqlCommand, set the query string to be the name of the stored procedure, and then set the CommandType to be CommandType.StoredProcedure. SqlCommand...

• I don't have SQL Server. How do I work through the samples that use SQL Server?

  You can use MSDE, a SQL server compatible database engine that MS makes available for free. You can download and install MSDE from a whole variety of sources. Here is one source . MSDE also comes with Visual Studio .NET and the .NET Framework SDK. It...

• How do I specify this port in my connection string when I have SQL server running on a non-default port?

  The data source component of your connection string should contain the port right after the IP address (or name). It should be separated from the IP by a comma. data source=192.168.123.1, port_number; Take a look at the connectionstrings.com website for...

• Can I use MySQL with ADO.NET?

  Yes, MySQL can be used with ADO.NET. For more information, see the article Exploring MySQL in the Microsoft .NET Environment at mysql.com. Contributed from George Shepherd's Windows Forms FAQ

• How do I load a CSV file into a DataTable?

  Here's a sample that loads a comma separated values (CSV) file into a DataSet. using System; using System.Data; using System.Data.OleDb; using System.IO; public class Csv { public static DataSet GetDataSet( string filename ) { string connString =...

• How do I specify the location of referenced assemblies to Visual Studio when building a project from the command line?

  There are a couple of ways to specify where VS.Net looks for the assemblies that you reference in your project when building from the command line. One way is to specify the "HintPath" for the reference: <Reference Name = "MyAssembly...

• How do I invoke a macro as part of a Visual Studio command line build?

  Use the following syntax: devenv.exe {Solution Name} /command {Macro name} Example: devenv.exe "myproject.sln" /command "Macros.Syncfusion.Utils.FormatProjectAndClose" Visual Studio will start up, load the solution, run the macro and...

• Where do I find the command line options for Visual Studio .NET?

  Type devenv.exe /? to get a full list of options. Contributed from George Shepherd's Windows Forms FAQ

• How do I start Visual Studio from the command line?

  Simply type devenv.exe from the command line. If you get a message like this, then you do not have devenv.exe in your path. >>> 'devenv.exe' is not recognized as an internal or external command, operable program or batch file. >>>...

• What are some good books on getting the most out of Visual Studio?

  Mastering Visual Studio .NET Ian Griffiths, Jon Flanders & Chris Sells, 2003, O'Reilly. ISBN: 0-596-00360-9. Every page of this book is packed with useful information on getting the most out of Visual Studio .NET 2003. Written by experienced developers...

• How do I configure an assembly so that Visual Studio's Add dialogs will display it and its components?

  If I create an assembly, how can I see the assembly/components from with the VS.Net "Add..." dialogs? There are two ways in which this can be done. The first way is to use the provided Public assembly folder that is installed with VS.Net. This...

• How do I drag and drop code snippets in Visual Studio?

  Yes, in Code View you can select and drag code to a Tab (General Tab) in the ToolBox and then you can drag the code from the Tab to the desired location. Contributed from George Shepherd's Windows Forms FAQ

• How do I manage code snippets that I use often in Visual Studio?

  I have code snippets that I use often. How can I manage them so I can easily used them? In Visual Studio, you can store commonly used code snippets on a tab (other than the Clipboard ring) in your Toolbox. You use drag and drop techniques to move the...

• How do I specify to use the Main method in Class2 instead of Class1 in Visual Studio?

  In the project's General Properities, specify Class2 as the "Startup Object". The dropdown contains all classes with a Main method specified. Contributed from George Shepherd's Windows Forms FAQ

• How do I compile unsafe code in Visual Studio?

  Click "Project | Properties" from the menus. Select "Configuration Properties" folder and the "Build" item under that. Switch "Allow unsafe code blocks" from "False" to "True". Ryan LaNeve

• How do I override a virtual member of a base class using Visual Studio?

  In the ClassView window, expand the base class under your derived class. Then right-click the desired method, and select Add. Contributed from George Shepherd's Windows Forms FAQ

• How do I reformat all Visual Basic code in all files in a project in Visual Studio?

  VB.NET can perform decent auto-formatting for code. Here is a macro that can call this Auto Formatting command for all the files in a project. Contributed from George Shepherd's Windows Forms FAQ

• How do I get the default namespace of a C# project in Visual Studio?

  How do I get the default namespace of a C# project in Visual Studio? To get the default namespace of a C# project developed using VS.NET, you need to right-click on the project in the Solution Explorer and then choose Properties | Common Properties |...

• How do I graphically set the tab order for controls on a form using Visual Studio?

  To display tab orders on the active design mode Form, select the View | Tab Order menu item. Then click the numbers on each control to reset their tab order. Contributed from George Shepherd's Windows Forms FAQ

• How do I move a docked control around in a form or change the dock order?

  You cannot move it via drag-and-drop. But you change its position or dock order by selecting the "Bring To Front" or "Send To Back" verbs in its context menu. "Bring To Front" will move it to the top of the children list...

• What are some user interface limitations while running code in the Internet Zone?

  1) Cannot override methods like WndProc, ProcessCmdKey, etc in a derived Control. The class ref for a particular property will let you know about the permission requirements. 2) Cannot call Control.Parent. 3) Cannot call Control.Focus() method. Contributed...

• What are some problem areas when using Windows Forms Controls in Internet Explorer?

  The issues listed here are pertaining to code running in IE in the default Internet Zone. 1) You cannot view Controls inside IE using the 1.0 framework (when running with the permissions in the default Internet Zone). This is however possible with the...

• How do I host Windows Forms Controls in Internet Explorer?

  You cannot use a WinForms Control directly in IE, you will have to instead derive from it and then use the derived instance from a custom assembly. These articles introduce the topic: Host Secure, Lightweight Client-Side Controls in Microsoft Internet...

• How do I change the icon for a custom control in the Toolbox?

  You can do this in different ways explained below. In all the cases the bitmap or icon should follow these rules: The bitmap or icon dimension should be 16x16 with 16 colors. The bottom-left pixel color will be assumed to be the transparent color. Technique...

• How do I provide dynamic default values for components or controls?

  Provide ShouldSerialize and Reset Methods along with your property. Example: private bool ShouldSerializeFont() { return this.bFontSet; } private void ResetFont() { this.localFont = null; } Contributed from George Shepherd's Windows Forms FAQ

• How to make properties in your custom data type appear in a particular order in the property browser?

  For example, if you have a custom type: public class CustomSize { public int Width { get { /*...*/ } set { /*...*/ } } public int Height { get { /*...*/ } set { /*...*/ } } } And you want to the Width and Height properties to appear in that order, then...

• How do I make properties of custom data types browsable in the Property browser?

  If you have a custom data type like this: public class CustomSize { public int Width { get { /*...*/ } set { /*...*/ } } public int Height { get { /*...*/ } set { /*...*/ } } } Then write this: public class CustomSizeConverter : ExpandableObjectConverter...

• How can I tell my form is being used in design time and not runtime?

  Check the Form.DesignMode property. But note that when in Visual Inheritance mode (designing a derived form), your control's DesignMode property will be true when the base form's constructor gets executed in the design-time. To workaround this...

• What is the function of TypeConverters?

  Type converters let you convert one type to another type. Each type that you declare can optionally have a TypeConverter associated with it using the TypeConverterAttribute. If you do not specify one the class will inherit a TypeConverter from its base...

• How do I make a property browsable in the editor, but not browsable in the designer?

  Provide the followoing attributes to your Property: [ Browsable( false ), EditorBrowsable( EditorBrowsableState.Always ) ] public bool CustomProperty{ get{} set{} } Contributed from George Shepherd's Windows Forms FAQ

• How do I hide a base class property in my derived control from the user at design-time?

  Set the Browsable attribute on the new property that hides the existing one. Here is a code snippet that hides the WordWrap property in the derived TextBox. [C#] public class CustomTextBox : TextBox { [ Browsable( false ) ] public new bool WordWrap {...

• How do I prevent certain controls from being displayed in the Property browser at design-time?

  Use the DesignTimeVisible attribute set to false. [ DesignTimeVisible( false ) ] You can still provide a TypeConverter to make it participate in designer Serialization. Contributed from George Shepherd's Windows Forms FAQ

• How do I prevent a component from being displayed in the Toolbox in Visual Studio?

  Use the ToolboxItem attribute set to false on your component or control class. This will prevent it from appearing in the Toolbox. [ ToolboxItem( false ) ] public class MyComponent : Component{..} Contributed from George Shepherd's Windows Forms FAQ

• How do I programmatically manipulate Anchor styles?

  You can do this using the bitwise operators. In C# the bitwise operators are & , | and ^ ; in VB they are And (or &), Or and Xor (or ^). Here is code that will toggle whether label1 is anchored on the left. [C#] using System.Windows.Forms; private...

• How do I make a control occupy all the client area of a Form?

  private void Form1_Load( object sender, EventArgs e ) { Bitmap newBmp = new Bitmap(100, 100); Graphics g = Graphics.FromImage(newBmp); g.FillRectangle(new SolidBrush(Color.Red), 0, 0, 33, 100); g.FillRectangle(new SolidBrush(Color.White), 34, 0, 33, 100...

• Why does calling Focus() on a control not set focus on it?

  When you call the Focus method on a control, the control must be visible; otherwise focus will not be set. For example, if you call Focus on a control in Form_Load then focus will not be set. Instead consider setting the control's TabIndex property...

• How do I find out which control has focus?

  The .NET Framework Class Library does not provide a method to determine which control has keyboard focus, but you can invoke a Win32 API function to do this. Here's a custom form class that adds a GetFocusControl method to retrieve the .NET control...

• How do I process Windows messages in a control?

  Override the control's WndProc method. This sample shows a custom control that is a ComboBox that discards the WM_KEYUP message. [C#] using System.Windows.Forms; public class ComboBoxWithNoKeyUp : ComboBox { private const int WM_KEYUP = 0x101; protected...

• Where do I find an ImageMap-style control?

  Where do I find an ImageMap-style control? There isn't an ImageMap-style control in the .NET Framework Class Library. However, the article C# Windows Forms ImageMap Control by Ryan LaNeve, September 2002, on The Code Project provides a control with...

• How do I get started creating custom controls?

  See Developing a Simple Windows Forms Control from .NET Framework Developer's Guide for a walk-through about creating Windows Forms custom controls. Tom Krueger, Microsoft

• How do I change the cursor for a control?

  button1.Cursor = new Cursor( @"C:\winnt\cursors\hnodrop.cur" ); Contributed from George Shepherd's Windows Forms FAQ

• How do I center a form?

  Set the Form's StartPosition property to CenterScreen . Contributed from George Shepherd's Windows Forms FAQ

• How do I prevent a user from moving a form?

  The following code snippet (posted in the Windows Forms FAQ forums) shows how you can prevent a user from moving a form at run time: protected override void WndProc( ref Message m ) { const int WM_NCLBUTTONDOWN = 161; const int WM_SYSCOMMAND = 274; const...

• How do I position a form at the bottom right of the screen, above the system tray, when it opens up the first time?

  Do as follows in your Form's constructor after setting the StartPosition to Manual: SetBounds( Screen.GetWorkingArea( this ).Width - Width, Screen.GetWorkingArea( this ).Height - Height, Width, Height ); Contributed from George Shepherd's Windows...

• How do I programmatically maximize or minimize a form?

  Set the System.Windows.Forms.Form.WindowState property to FormWindowState.Maximized or FormWindowState.Minimized. Contributed from George Shepherd's Windows Forms FAQ

• How do I programmatically set the initial position of a Form so that it is displayed properly on invocation through ShowDialog()?

  In addition to setting the Location property of the form, make sure you also set the StartPosition property of the form to FormStartPosition.Manual. Contributed from George Shepherd's Windows Forms FAQ

• How do I postpone the resizing controls until the form's resizing is complete?

  I have a form with several controls on it. As I size the form, the controls are being resized continuously. Is it possible to postpone changing the controls position until the resizing is complete? The idea is to do the painting on Idle. This means you...

• How do I suspend painting a form until all its controls are initialized?

  There is not currently a way to do this built into the framework, but WM_SETREDRAW will do what you're looking for. It can't be called recursively, so here's code for a property you can add to your form to handle it. A VB sample is also available...

• How do I draw a line to replace the functionality of VB6's Line command?

  Try this code: Dim g as Graphics g = frmMain.CreateGraphics() g.DrawLine(Pens.Black, new Point(0,0), _ new Point(frmMain.ClientRectangle.Width), frmMain.ClientRectangle.Height) g.Dispose() This should draw a line from the upper left to the bottom right...

• What are some best practices for drawing and painting in Window Forms?

  Check out Painting techniques using Windows Forms for the Microsoft .NET Framework by Fred Balsiger on WindowsForms.net . It is a good basic discussion of how to get the best performance from Windows Forms drawing. His hints include leveraging the power...

• How do I prevent a Form from closing when the user clicks on the close button?

  Handle the form's Closing event. private void Form1_Closing( object sender, CancelEventArgs e ) { if ( NotOkToClose() ) e.Cancel = true; //don't close } Contributed from George Shepherd's Windows Forms FAQ

• How do I determine if a form was closed from the system menu or a call to Form.Close?

  One way to do this is to override the form's WndProc method and check for WM_SYSCOMMAND and SC_CLOSE. Looking for WM_CLOSE in the override is not sufficient as WM_CLOSE is seen in both cases. A sample is available for download ( C# , VB ). public...

• How do I force a Windows Form application to exit?

  Your main form is an object of type System.Windows.Forms.Form. Use its Close method to exit the application. If you wish to Exit from a Form's constructor, this will not work. A workaround is to set a boolean flag that you can later check in the Form's...

• How do I programmatically add controls to a form and ensure they are displayed?

  The controls that I've try to add to my form at runtime don't show up. What's wrong? Make sure you implemented and executed code similar to the InitializeComponent method that VS adds to your Windows Forms project for controls added during...

• How do I dynamically load a control from an assembly (or DLL)?

  You use System.Reflection to dynamically load a control. This sample loads the SpecControls.ColorControl from SpecControls.dll. [C#] using System.Reflection; Assembly assembly = Assembly.LoadFrom( "SpecControls.dll" ); Type t = assembly.GetType...

• How do I add a control to a Window Form at runtime?

  There are three steps to adding a control at runtime. Create the control. Set control properties. Add the control to the Form's Controls collection. In general, if you need help on exactly what code you need to add, just look at the code generated...

• How do I create an instance of a Form class from its name?

  You can use the System.Reflection.Assembly.CreateInstance method to create a form from its name. Below is a code snippet. The name in the textbox has to be the full name including its namespace. So if there is a class named Form2 in namespace MyCompanyName...

• How do I share a common event handler across multiple controls?

  In VB6, I used control arrays to have a common handler handle events from several controls. How can I do this in Windows Forms? You can specify events from different controls be handled by a single method. When you define your handler, you can list several...

• How do I create a form that is 'TopMost' for only my application, but not other applications?

  You can do this by setting the child form's TopMost to False and setting its Owner property to the Main Form. Form1 f = new Form1(); f.TopMost = false; f.Owner = this; f.Show(); Contributed from George Shepherd's Windows Forms FAQ

• How do I create a non-modal top level form that always stays on top of all the app's windows?

  For example the Find dialog in Visual Studio. Make your main form the "Owner" of the form in question. Refer to Form.Owner in class reference for more information. findReplaceDialog.Owner = this; // where 'this' is the main form findReplaceDialog...

• How do I ensure that a form will always be on the desktop?

  To set or control the location of the form using desktop coordinates, you can use the SetDeskTopLocation property. You can do this by setting the child form's TopMost to False and setting its Owner property to the Main Form. this.SetDesktopLocation...

• How do I prevent a form from being shown in the taskbar?

  You need to set the form's ShowInTaskbar property to False to prevent it from being displayed in the Windows taskbar. Contributed from George Shepherd's Windows Forms FAQ

• How do I get an HWND for a form or control?

  See the Control.Handle property which returns the HWND. Be careful if you pass this handle to some Win32 API as Windows Forms controls do their own handle management so they may recreate the handle which would leave this HWND dangling. Shawn Burke, Microsoft

• How do I add items to the system menu of a Form?

  To do this, you can use use iterop to access the GetSystemMenu and AppendMenu Win32 APIs. You also need to override the form's WndProc method to catch and act on the menu message. This idea was posted in the Microsoft newsgroups by Lion Shi. Here...

• How do I show a form without making it active?

  Normally when you make a Form visible by setting the Visible property to true, it will show the form and set the focus too. In some cases however, you do not want it to take focus until the user clicks on it. To get this behavior, do the following utility...

• How do I access a TextBox on one Form from another Form?

  One way to do this is to make the TextBox either a public property or a public field. Then you will be able to access it through the instance of its parent form. So, if TextBox1 is a public member of FormA and myFormA is an instance of FormA, then you...

• How do I capture a bitmap of a form?

  You can P/Invoke the BitBlt function from gdi32.dll to handle this problem. using System; using System.Drawing; using System.Drawing.Imaging; using System.Runtime.InteropServices; using System.Windows.Forms; class CustomForm : Form { [ DllImport( "gdi32...

• How do I work with multiple forms since that's different from VB6?

  Check out Working with Multiple Forms in Visual Basic .NET: Upgrading to .NET by Duncan Mackenzie in the MSDN Library. Contributed from George Shepherd's Windows Forms FAQ

• How do I return values from a form?

  Add public properties to your form. Then these properties can be accessed by any object that creates an instance of your form. Contributed from George Shepherd's Windows Forms FAQ

• How do I set the default button for a form?

  Set the form's AcceptButton property. You can do this either through the designer, or through code such as form1.AcceptButton = button1; Contributed from George Shepherd's Windows Forms FAQ

• Why are URLs case sensitive when hosting controls in Internet Explorer?

  I am using a Windows Forms control in an Internet Explorer (IE) page. When IE downloads the control, it is distinguishing between upper- and lower-case letters in the web site URL. When I use the same site with different casing - such as http://111.1...

• How do I get the Form's ClientRectangle position in non-client coordinates?

  I would like to use the Region property to create a form with hidden non-client areas (not exactly a rectangle), but I can't determine the client area rectangle position in non-client coordinates. The code I usually use to get this offset is: Point...

• Can I create a customizable "ClickOnce" application?

  For example, let's say you want to define an add-in model, or provide some base forms so my customers can extend to customize the look-and-feel of my app by just dropping in additional assemblies. How can you achieve this with "ClickOnce"...

• Do Smart Devices with the .NET Compact Framework support "ClickOnce"?

  No.

• Can I use components built with older versions of the .NET Framework?

  Yes, although the top level exe must be built with Whidbey.

• Can I use "ClickOnce" to deploy an Office addin?

  No. Addins generally require special registration and integrated activation within the hosting application. The “ClickOnce” installer does not support machine level changes such as this.

• Can I pass arguments to my "ClickOnce" application?

  Yes. When a “ClickOnce” application is activated via a URL, the application can obtain the QueryString of the URL used to activate the application.

• What is the dfsvc.exe process that starts when I use "ClickOnce"?

  That is the actual “ClickOnce” engine that is handling the update checks & downloads. It is launched when a “ClickOnce” application needs updated. It shuts itself down if not used for 15 minutes.

• Can I deploy managed C++ applications with "ClickOnce"?

  You can use “ClickOnce” to deploy .NET Framework based applications built with any language, including C++.

• Can I use "ClickOnce" to deploy console apps?

  You can, but wouldn’t you rather have a rich Windows Forms based UI? Also, console apps that require a command-line interface are beyond the scope of “ClickOnce” deployment in the .NET Framework 2.0. The primary reasons for this is that the install path...

• Can "ClickOnce" applications be run when offline?

  Yes, “ClickOnce” applications that choose to be installed get an entry added in the Start Menu that can be used to launch the application when disconnected from the network. Note however, it’s still up to the application to make sure it can work offline...

• Can I use "ClickOnce" for Windows Forms Controls in the browser?

  No. “ClickOnce” only deals with deploying applications. The Windows Forms control in the browser technology is effectively unchanged.

• Can I deploy .NET Framework V1 & V1.1 applications with "ClickOnce"?

  For a number of security related considerations, “ClickOnce” requires that the main entry point assembly (the .exe file) be compiled with the 2.0 version of the .NET Framework. Other assemblies in the application can still be compiled with previous versions...

• Is there something I should be doing now in my application to prepare for "ClickOnce"?

  Most applications won’t have to know anything about “ClickOnce” to be deployed with “ClickOnce”. In most cases, using “ClickOnce” is as simple as creating the necessary manifest files & placing the application on a server… for which we provide tools...

• How does "ClickOnce" relate to the V1 No-Touch deployment technology?

  “ClickOnce” is the successor to the V1 No-Touch deployment technology. “ClickOnce” builds upon V1 & addresses the key limitations & issues with the V1 technology. The V1 No-Touch deployment technology is still supported in V2 of the .NET Framework...

• Do I have to have Visual Studio to use "ClickOnce"?

  No. While Visual Studio makes deploying “ClickOnce” applications simple, there are several other ways to deploy “ClickOnce” applications. The .NET Framework SDK includes a tool named MAGE(Manifest Editor & Generator) that provides both a UI (mageui...

• Can I distribute my "ClickOnce" application via CD?

  Yes and your app will still be auto-updateable via a network server you configured into the “ClickOnce” deployment when you created the CDs. This is a great solution for large applications or for applications that have pre-requisites installed with the...

• Is there any way to perform additional install/uninstall processing, such as custom actions?

  If you need to do extensive install time custom actions, MSI would probably be a beter choice than ClickOnce.

• My app needs a pre-requisite such as MSDE, MDAC, etc… can I still use "ClickOnce"?

  Yes. One option is to use the VS Bootstrapper. The Bootstrapper will bundle all of your apps necessary pre-requisite’s, install them when run & then start the “ClickOnce” application install. The Bootstrapper must be run the 1st time each user uses...

• Does the same app installed multiple times for each user share any disk space?

  No.

• Can I install a "ClickOnce" application per-machine?

  No. All “ClickOnce” applications are installed per-user. Each user is totally isolated from one another and must install their own copy. If your application needs to be installed per-machine, you should use MSI.

• Do I have to be an admin to install a "ClickOnce" application?

  No. All “ClickOnce” applications are installed per-user.

• How does MSI relate to "ClickOnce"?

  “ClickOnce” & MSI are separate but, complimentary application installer technologies. “ClickOnce” is targeted at web based per-user deployments. This has a lot of benefits, but also means you can’t do anything & everything at install time. If...

• What types of applications can I deploy with "ClickOnce"?

  "ClickOnce" can be used to deploy Windows Forms based application based on the .NET Framework. Since "ClickOnce" applications are deployed via the web, they can't be allowed to impact the client machine to a high degree. So if...

• How can I tell if the .NET Framework 2.0 is installed on my user’s machines?

  You can check the useragent value in your server side code or in javascript on the html page (hint… see the Publish.htm page that VS generates). The useragent string will contain the version of the .NET Framework installed on that client.

• How do I get the .NET Framework 2.0 onto my user’s machines?

  Really whatever way works best for you. Ex. You can have your users install the .NET Framework before using “ClickOnce” or use management tools like SMS to push out the .NET Framework across your enterprise. To help with deployment, Visual Studio provides...

• Can I launch a "ClickOnce" app from any web browser besides Internet Explorer?

  "ClickOnce" simply uses a MIME type for activation, which is configured by the .NET Framework 2.0 setup. This allows a "ClickOnce" app to be launched by any client that uses standard Windows url activation. This includes Internet Explorer...

• Are there any special server requirements for hosting a "ClickOnce" application?

  No. "ClickOnce" does not use any special protocols to transfer files. So you can use a regular file share, IIS or any web server. If you are using a web server, there are a few additional considerations. First, you may need to configure the...

• What operating systems does "ClickOnce" support?

  “ClickOnce” ships in the .NET Framework redist & supports all of the same operating systems & languages as the core .NET Framework. Specifically Windows 98 & up, except for NT4.

• What do I need to use "ClickOnce"?

  You need to have the .NET Framework 2.0 installed on the client. And you need a place to publish your app to where your end users can access, such as a web server, file share, or media such as CD/DVD.

• What is "ClickOnce"?

  "ClickOnce" is the codename for a technology that ships in the .NET Framework 2.0 that allows Windows Forms based client applications to be downloaded & run over the Network. Quite simply, "ClickOnce" makes running a client application...