# Programmation Visual Basic .NET/Fonctions VB6 en .NET

* Introduction
* Visual Studio
* Premier script

## Bases du langage

* Variables
* Tableaux
* Conditions
* Boucles

## Opérateurs

* Assignation et comparaison
* Arithmétique
* Chaines de caractères
* Logique
* Gestion d'exception

## Programmation orientée objet

* Classes
* Namespaces
* Héritage
* Interfaces
** L'interface IDisposable

## Structure de données avancée

* Contrôles
* Énumérations
* Collections
* GDI+
* Introduction
* Visual Studio
* Premier script

## Bases du langage

* Variables
* Tableaux
* Conditions
* Boucles

## Opérateurs

* Assignation et comparaison
* Arithmétique
* Chaines de caractères
* Logique
* Gestion d'exception

## Programmation orientée objet

* Classes
* Namespaces
* Héritage
* Interfaces
** L'interface IDisposable

## Structure de données avancée

* Contrôles
* Énumérations
* Collections
* GDI+
[ Modifier le sommaire ]
Cette table de conversion compare Visual Basic 6 à Visual Basic .NET (sachant que ce dernier accepte aussi les fonctions VB6 via Microsoft.VisualBasic namespace).

## Divers

| Visual Basic 6 | .NET Equivalent |
| App.Path | Application.StartupPath |
| CallByName | Type Object.InvokeMember |
| Circle | Graphics Object.DrawEllipse |
| Collection | Collections.Hashtable, Collections.Dictionary |
| Command | Environment.GetCommandLineArgs |
| DoEvents | Application.DoEvents |
| Environ | Environment.GetEnvironmentVariable |
| Err | Deprecated - Use Exception object and Try ... Catch ... End Try statement |
| Error | Exception Object.Message |
| GetSetting | Deprecated - Look into Configuration.ConfigurationSettings |
| IIf | Deprecated |
| InputBox | Deprecated - Make your own form |
| Len | Runtime.InteropServices.Marshal.SizeOf |
| MsgBox | MessageBox.Show |
| RGB | Color Object.FromArgb |
| SavePicture | Image Object.Save |
| SaveSetting | Deprecated - Look into Configuration.ConfigurationSettings |
| SendKeys | SendKeys.Send |
| Shell | Process.Start |
| Switch | Deprecated |
| TypeName | Any Object.GetType.ToString |
| Unload | Deprecated |
| VarType | Any Object.GetType |

## Chaines de caractères

| Visual Basic 6 | .NET Equivalent |
| Asc | Convert.ToInt32(Char) |
| Chr | Convert.ToChar |
| Format | Any Object.ToString(Format String) |
| FormatCurrency | Any Numeric Object.ToString("c") |
| FormatDateTime | Date Object.ToString(Format String), Date Object.ToLongDateString |
| FormatNumber | Any Numeric Object.ToString(Format String) |
| FormatPercent | Any Numeric Object.ToString("p") |
| Hex | Integer Object.ToString("x"), Convert.ToString(Integer, 16) |
| InStr | String Object.IndexOf |
| InStrRev | String Object.LastIndexOf |
| Join | String.Join |
| LCase | String Object.ToLower |
| Left | String Object.Substring |
| Len | String Object.Length |
| LTrim | String Object.TrimStart |
| Mid | String Object.Substring |
| Oct | Convert.ToString(Integer, 8) |
| Replace | String Object.Replace |
| Right | String Object.Substring |
| RTrim | String Object.TrimEnd |
| Space | String Object.PadLeft, String Object.PadRight |
| Split | String Object.Split |
| String | String Object = New String(Char, Count) |
| StrReverse | Dim c As Char = Array.Reverse(String Object.ToCharArray) |
| Trim | String Object.Trim |
| UCase | String Object.ToUpper |

## Fichiers et répertoires

| Visual Basic 6 | .NET Equivalent |
| ChDir | IO.Directory.SetCurrentDirectory |
| CurDir | IO.Directory.GetCurrentDirectory |
| Dir | IO.Directory.GetFiles, IO.Directory.GetDirectories, IO.Directory.Exists, IO.File.Exists |
| EOF | IO.StreamReader.Peek = -1 |
| FileAttr | Deprecated - Use StreamReader or StreamWriter |
| FileCopy | IO.File.Copy |
| FileDateTime | IO.File.GetLastAccessTime, IO.File.GetCreationTime |
| FileLen | IO.FileStream Object.Length |
| GetAttr | IO.File.GetAttributes |
| Loc | IO.Stream Object.Position |
| LOF | IO.Stream Object.Length |
| MkDir | IO.Directory.CreateDirectory |
| RmDir | IO.Directory.Delete |
| SetAttr | IO.File.SetAttributes |

## Tableaux

| Visual Basic 6 | .NET Equivalent |
| Filter | Array.BinarySearch |
| UBound | Any Type of Array.GetUpperBound(0) |

## Dates

| Visual Basic 6 | .NET Equivalent |
| DateAdd | Date Object.Add |
| DateDiff | Date Object.Subtract |
| Now | DateTime.Now |

## Math

| Visual Basic 6 | .NET Equivalent |
| Abs | Math.Abs |
| Atn | Math.Atan |
| Cos | Math.Cos |
| Exp | Math.Exp |
| Fix | Math.Floor (for negative numbers), Math.Ceiling (for positive numbers) |
| Int | Math.Floor |
| Log | Math.Log |
| Randomize | Deprecated - Random Object is automatically randomized declared |
| Rnd | System.Random Object.Next |
| Round | Math.Round |
| Sgn | Math.Sign |
| Sin | Math.Sin |
| Sqr | Math.Sqrt |
| Tan | Math.Tan |

## Références

* MSDN Library

## Voir aussi

* anglais What you will need to change about the project template
* anglais How to make a project template