Complete set: Intro to C - Bill Buchanan

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1.3 .NET Framework The PC has slowly evolved with ever‐increasing operating system components. Unfortunately, these additions make version control difficult. Microsoft has thus tried to overcome this by creating a common framework in which programs run. This framework should be easier to control and to update, where bug fixes can be updated with news downloads. Generally, Microsoft have further developed objectorientation, and integrated many of the new techniques that Java created, such as operating system/hardware independence. They have also, for the first time, binded the .NET Framework to the Windows environment, which should improve security and allow enhanced integration with system components, such as using Microsoft Word as an editor, or Microsoft Excel to create and process spreadsheets. Figure 1.1 shows the typical steps taken in developing a program. Initially the source code is converted into object code (OBJ) using a compiler. This converts the code into a form which is matched to the hardware of the system, but cannot be run as it does not contain the basic elements of a program, such as routines which interface to the input/output. These elements are integrated with the linker, which takes all the created object code files, and searches in the static libraries for any code that is required to produce the executable program. The program can then access system routing through API (Application Programming Interface) calls, such as in creating Windows, or interfacing to networking functions. These API calls are typically contained in run‐time libraries (DLL’s), which contain the code which implements the require function. Introduction to .NET Source Code (C/C++/ Delphi/ VB) Compilation OBJ file Static Static Libraries Linker Linker gdi32.dll EXE EXE Program Program API (Application Programming Interface) ole32.dll Figure 1.1: Traditional stages of program development Agilent .NET Course: Introduction 6
1.3.1 Win32 API The Win32 API library contains many routines: • Creating windows. • Windows support functions. • Message processing. • Menus. • Resources. • Dialog boxes. • User input functions. • Memory management. • GDI (graphical device interface). • Bitmaps, icons and metafiles. • Printing and text output. • Painting and drawing. • File I/O. • Clipboard. Support for public and private clipboards. • Registry. Support for functions which access the Registry. • Initialization files. Support for functions which access INI files. • System information. • String manipulation. • Timers. • Processes and threads. • Error and exception processing. • Help files. • File compression/decompression. • DLLs. • Network support (NetBios and Windows sockets 1.1 APIs). • Multimedia support (sound APIs). • OLE and DDE (dynamic data exchange). • TrueType fonts. An example of a C++ call to these APIs is: duction to .NET Intro Program 1.4: ClassComplexNumberExample #include int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrev, LPSTR lpCmd, int nShow) { char msg[128]; wsprintf(msg, "My name is Fred"); MessageBox(GetFocus(), msg, "My first Window", MB_OK | MB_ICONINFORMATION); return(0); } Where the MessageBox() routine is a standard API call to show a basic message box, such as: Agilent .NET Course: Introduction 7
Page 1 and 2: Name: Course: Introduction to .NET
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Page 15 and 16: 1.4.2 Using the environment Figure
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Page 35 and 36: 3 Arrays and Collections 3.1 Introd
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Thus the result of this is that arr
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4.6 Converting data types The Syste
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duction to .NET Intro System.Compon
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duction to .NET Intro System.Enterp
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duction to .NET Intro System.Reflec
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duction to .NET Intro System.Runtim
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duction to .NET Intro System.Web.Ht
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duction to .NET Intro System.Window
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Name: Course: Introduction to .NET
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5.2 Overloaded Methods An overloade
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5.5 Contributing to Intellisense We
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5.8 Throwing Exceptions We may deli
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5.11 Regular Expressions Use of reg
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The following problem appeared as E
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user enters an illegal filename (su
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5.15 Methods Tutorial We return to
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6.2 Cerebus The run time environmen
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protected override void UserRun() {
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choices of handle type (small or la
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Finally, for this section, Program
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} class Class1 { static void Main(s
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Mammals Increasing generalisation C
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} } static void Main() { Applicatio
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} public void ToLowerCase() { name=
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Program 7.8: using System; namespac
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Program 7.9: using System; namespac
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Sample Run Name: fred Name: FRED Ob
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8 More Objects 8.1 Introduction Thi
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Program 8.1: using System; interfac
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8.2.1 Combining interfaces New inte
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{ static void Main() { Circuit cir
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class Class1 { static void Main(str
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class Class1 { static void Main(str
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date: September 2003 ///change hist
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10 Day 5 pm 10.1 Contents Morning s
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We can create the required method i
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10.4 Any Others Term Example Explan
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uk.Gdp = 1000000000; int c = uk.Reg
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We keep a record of the country tha
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10.9 Tutorial duction to .NET Intro
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Complete set: Intro to C - Bill Buchanan

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