C#.Net Migration - A2Z Dotnet

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Using P/Invoke using System.Runtime.InteropServices; InteropServices namespace public class K32Wrapper { [ DllImport("kernel32.dll") ] public extern static void Sleep(uint msec); DllImport attribute [ DllImport("kernel32.dll", EntryPoint = "Sleep") ] public extern static void Doze(uint msec); [ DllImport("user32.dll") ] public extern static uint MessageBox(int hwnd, String m, String c, uint flags); [ DllImport("user32.dll", EntryPoint="MessageBoxW", ExactSpelling=true, CharSet=CharSet.Unicode) ] public extern static uint UniBox(int hwnd, String m, String c, uint flags); } 84
MarshalAsAttribute parameters • Controlling type transitions out of the runtime • Done via MarshalAsAttribute Parameter Name Value ArraySubType SafeArraySubType SizeConst SizeParamIndex MarshalType MarshalCookie Type UnmanagedType UnmanagedType VarType int short String String Description Unmanaged type to marshal to (mandatory) Unmanaged type of array elements Unmanaged VARTYPE of safearray elements Fixed size of unmanaged array Index of parameter containing [size_is] value Fully-qualified type name of custom marshaler Cookie for custom marshaler 85
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C# .NET Migration Moving from Visua
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Agenda • The .NET Framework, The
Page 5 and 6:
Managed and Unmanaged Code Managed
Page 7 and 8:
Why a Runtime? • MTS and COM+ wer
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Run on Any Platform • Today mainl
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Platforms That Support .NET Framewo
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Concerns with MSIL • Easy to deco
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Obfuscated Code //Original Source C
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Common Type System (CTS) • CLR pr
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Common Language Specification (CLS)
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C# Types - extend CLS Types • Com
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C# and VB.NET - not as different as
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Properties public class Human { pri
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Implementing and using interfaces u
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Using Type Navigation Operators int
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Base classes • Every type has at
Page 33 and 34: Base/derived construction • Const
Page 35 and 36: Derivation and constructor flow of
Page 37 and 38: Using method dispatching modifiers
Page 39 and 40: Combining method modifiers abstract
Page 41 and 42: Destructors and IDisposable using S
Page 43 and 44: Culturally Very Different ;-) • C
Page 45 and 46: Operator Overloading using System;
Page 47 and 48: Unsafe Code Blocks • Must set com
Page 49 and 50: Documentation Comments-Output 49
Page 51 and 52: Assemblies and Versioning • Assem
Page 53 and 54: Assembly without strong name Notice
Page 55 and 56: Assembly with strong name Notice ve
Page 57 and 58: Client and Versioning • Client is
Page 59 and 60: Global Assembly Cache • One of th
Page 61 and 62: Creating a publisher policy assembl
Page 63 and 64: Agenda The .NET Framework and the
Page 65 and 66: Pattern • Notification typically
Page 67 and 68: Delegate definition • Define dele
Page 69 and 70: Target use of delegate • Target d
Page 71 and 72: Registration • Create delegate ob
Page 73 and 74: Summary of delegate use define dele
Page 75 and 76: Remove delegate • Can remove dele
Page 77 and 78: Events • Events give private data
Page 79 and 80: Interoperability • Framework Clas
Page 81 and 82: Using a VB6 DLL from C# .NET • CL
Page 83: Platform Invoke - P/Invoke • P/In
Page 87 and 88: .NET Interoperability with COM •
Page 89 and 90: .NET Exposed for COM Clients using
Page 91 and 92: Agenda The .NET Framework and the
Page 93 and 94: ADO.NET Example public static void
Page 95 and 96: DataSet Example public static void
Page 97 and 98: Call to Action • Must master Fram
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C#.Net Migration - A2Z Dotnet

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