Visual Basic 10

Transcript

1.  Daron Yöndem
   Microsoft Regional Director
   Silverlight MVP
   

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2. Visual
   Basic
   1.0-3.0
   Visual
   Basic
   4.0-6.0
   Visual
   Basic
   7.0-9.0
   Visual
   Basic
   10.0
   Visual
   Basic
   11.0+
   

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3. Hepimiz kardeşiz!
   

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4. Declarative
   Concurrent
   Dynamic
   

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5. Ne
   Nasıl
   Imperative Declarative
   

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6. Dynamic
   Diller
   Simple and succinct
   Implicitly typed
   Meta-programming
   No compilation
   Static
   Diller
   Robust
   Performant
   Intelligent tools
   Better scaling
   

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7. Property FirstName As String
   Property LastName As String
   Initializers:
   Property ID As Integer = -1
   Property Suppliers As New List(Of Supplier)
   

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8. Dim x As New List(Of Integer) From {1, 2, 3}
   Dim list As New Dictionary(Of Integer, String) From
   {{1, “Bart”},
   {2, “Lisa”},
   {3, “Homer”}}
   Array Literals:
   Dim a = {1, 2, 3} 'infers Integer()
   Dim b = {1, 2, 3.5} 'infers Double()
   

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9. Dim items = {1, 2, 3, 4, 5}
   Array.ForEach(items, Sub(n) Console.WriteLine(n))
   Array.ForEach(items,
   Sub(n)
   If n Mod 2 = 0 Then Console.WriteLine(n)
   End Sub)
   'Count the number of even items in the array
   Dim total = items.Count(Function(n)
   

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10. 
    Function Go(
    ByVal x As Integer,
    ByVal y As Integer
    )
    Dim query =
    From n In {
    123,
    456,
    }
    

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11. Python
    Binder
    Ruby
    Binder
    COM
    Binder
    JavaScript
    Binder
    Object
    Binder
    Dynamic Language Runtime
    Expression Trees Dynamic Dispatch Call Site Caching
    IronPython IronRuby C# VB.NET Others…
    

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12. Dim apples As IEnumerable(Of Apple) = New List(Of Apple)
    'Covariance (Apple inherits from Fruit)
    Dim fruits As IEnumerable(Of Fruit) = apples
    'Contravariance - Func(Of In T, Out R)
    Dim predicate As Func(Of Fruit, Boolean) =
    Function(f) f.Color = "Red"
    apples.Where(predicate)
    

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