Oui, il y a plusieurs façons de le faire. C'est une méthode très simple utilisant WPF. Ça marche, je l'ai déjà utilisé.
http://www.sythe.org/showthread.php?t=175353
Sur le site:
Créer une nouvelle application WPF, ajouter une référence à System.Drawing.dll et System.Windows.Forms.dll. Utilisez les méthodes que vous attendez, Stat, Stop et Save.
Public Class ScreenRecorder
Private Shared tempDir As String = My.Computer.FileSystem.SpecialDirectories.Temp & "\snapshot\"
Private Shared snap As New System.Threading.Thread(AddressOf Snapshot)
Private Shared _Bounds As System.Drawing.Rectangle = System.Windows.Forms.Screen.PrimaryScreen.Bounds
Public Shared Property Bounds() As System.Drawing.Rectangle
Get
Return _Bounds
End Get
Set(ByVal value As System.Drawing.Rectangle)
_Bounds = value
End Set
End Property
Private Shared Sub Snapshot()
If Not My.Computer.FileSystem.DirectoryExists(tempDir) Then _
My.Computer.FileSystem.CreateDirectory(tempDir)
Dim Co As Integer = 0
Do
Co += 1
System.Threading.Thread.Sleep(50)
Dim X As New System.Drawing.Bitmap(_Bounds.Width, _Bounds.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb)
Using G = System.Drawing.Graphics.FromImage(X)
G.CopyFromScreen(_Bounds.Location, New System.Drawing.Point(), _Bounds.Size)
Dim CurBounds As New System.Drawing.Rectangle(System.Windows.Forms.Cursor.Position - Bounds.Location, System.Windows.Forms.Cursor.Current.Size)
Forms.Cursors.Default.Draw(G, CurBounds)
End Using
Dim FS As New IO.FileStream(tempDir & FormatString(Co.ToString, 5, "0"c) & ".png", IO.FileMode.OpenOrCreate)
X.Save(FS, System.Drawing.Imaging.ImageFormat.Png)
X.Dispose()
FS.Close()
Loop
End Sub
Public Shared Sub ClearRecording()
If My.Computer.FileSystem.DirectoryExists(tempDir) Then _
My.Computer.FileSystem.DeleteDirectory(tempDir, FileIO.DeleteDirectoryOption.DeleteAllContents)
My.Computer.FileSystem.CreateDirectory(tempDir)
End Sub
Public Shared Sub Save(ByVal Output As String)
Dim G As New Windows.Media.Imaging.GifBitmapEncoder
Dim X As New List(Of IO.FileStream)
For Each Fi As String In My.Computer.FileSystem.GetFiles(tempDir, FileIO.SearchOption.SearchTopLevelOnly, "*.png")
Dim TempStream As New IO.FileStream(Fi, IO.FileMode.Open)
Dim Frame = Imaging.BitmapFrame.Create(TempStream)
X.Add(TempStream)
G.Frames.Add(Frame)
Next
Dim FS As New IO.FileStream(Output, IO.FileMode.OpenOrCreate)
G.Save(FS)
FS.Close()
For Each St As IO.FileStream In X
St.Close()
Next
End Sub
Public Shared Sub Start()
snap = New System.Threading.Thread(AddressOf Snapshot)
snap.Start()
End Sub
Public Shared Sub [Stop]()
snap.Abort()
End Sub
Private Shared Function FormatString(ByVal S As String, ByVal places As Integer, ByVal character As Char) As String
If S.Length >= places Then Return S
For X As Integer = S.Length To places
S = character & S
Next
Return S
End Function
End Class
Voici une autre méthode utilisant Managed DirectX
http://www.mdxinfo.com/resources/screencapture.php
Une autre ressource:
http://www.codeproject.com/KB/audio-video/CaptureScreenAsVideo.aspx
J'aime cette façon! Mais il produit un gigantesque fichier GIF ... – Martin
Oui, ça marche mais ça marche. – BobbyShaftoe
Ca le fait ... mais le fichier est très gros pour mon besoin. Une idée de comment je pourrais convertir ce GIF en MPG, Silverlight, ou quelque chose comme ça? – Martin