Question afficher popup et continuer script directement

Salut,
le mieux serait du code C# voir WPF .
Pour le job comme ci dessous le jeux est de fermer la fenêtre
Un truc :
[code:1]
#region Import the Assemblies
[reflection.assembly]::loadwithpartialname(\"System.Windows.Forms\"«») | Out-Null
[reflection.assembly]::loadwithpartialname(\"System.Drawing\"«») | Out-Null
#endregion

#region Generated Form Objects
$FrmSplashScreen = New-Object System.Windows.Forms.Form
$panel1 = New-Object System.Windows.Forms.Panel
$pictureBox1 = New-Object System.Windows.Forms.PictureBox
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
#endregion Generated Form Objects

#region Generated Form Code
$FrmSplashScreen.Text = \"Please wait...\"
$FrmSplashScreen.MaximizeBox = $False
$FrmSplashScreen.Name = \"FrmSplashScreen\"

#$FrmSplashScreen.DataBindings.DefaultDataSourceUpdateMode = 0
$FrmSplashScreen.MinimizeBox = $False
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 284
$System_Drawing_Size.Height = 262
$FrmSplashScreen.ClientSize = $System_Drawing_Size
#$FrmSplashScreen.Opacity = 0.8

$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 259
$System_Drawing_Size.Height = 237
$panel1.Size = $System_Drawing_Size

$panel1.TabIndex = 0
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 13
$System_Drawing_Point.Y = 13
$panel1.Location = $System_Drawing_Point
$panel1.DataBindings.DefaultDataSourceUpdateMode = 0
$panel1.Name = \"panel1\"

$FrmSplashScreen.Controls.Add($panel1)
$pictureBox1.Dock = 5
$pictureBox1.TabIndex = 0
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 259
$System_Drawing_Size.Height = 237
$pictureBox1.Size = $System_Drawing_Size

$pictureBox1.Image = [System.Drawing.Image]::FromFile('C:\Windows\Web\Wallpaper\Nature\img3.jpg')
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 0
$System_Drawing_Point.Y = 0
$pictureBox1.Location = $System_Drawing_Point


$pictureBox1.TabStop = $False
$pictureBox1.Name = \"pictureBox1\"

$panel1.Controls.Add($pictureBox1)

#endregion Generated Form Code

#Save the initial state of the form
$InitialFormWindowState = $FrmSplashScreen.WindowState
#Init the OnLoad event to correct the initial state of the form
#$FrmSplashScreen.add_Load($OnLoadForm_StateCorrection)
$FrmSplashScreen.Add_Shown({$FrmSplashScreen.Activate()})
#Show the Form
$FrmSplashScreen.Show()

1..5|
Foreach {
$FrmSplashScreen.Refresh()
Write-host \"Fait le truc 1\";Sleep -Seconds 5
}

$FrmSplashScreen.Close()
$FrmSplashScreen.Dispose()
[/code:1]