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• C Lab Alpha-1 00 Mac Os Catalina
• C Lab Alpha-1 00 Mac Os Sierra

Objective

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• Learn how to create a console project in Visual C++ or C++Builder IDE

Software Requirement

• Visual C++ 2017 or newer edition
• Or C++ Builder 10.3.x or newer edition
• Or XCode in Mac OS X system

C Lab Alpha-1 00 Mac Os Catalina

Background Information

There are two types of C/C++ compilers, each of which has advantages and disadvantages:

1. Command-line C compilers
2. IDE (Integrated Development Environment) or Windows C/C++ compilers

Command-Line C Compilers

If you use a command-line C compiler to compile and execute a C program, you have to go through the following steps:

1. Write the C code in a text editor or word processor.
2. Save the file as myfile.c file in your C project folder.
3. Compile the code to a computer-executable program by entering a compiler command at a command prompt, or console window.
   For GUN C compiler: gcc -Wall -o myfile myfile.c
   For Microsoft Visual C++ command-line compiler: cl myfile.c
   For C++Builder compiler: bcc32 myfile.c
4. Execute the program by entering
   myfile
   at the command prompt. Then you should see the program's results on the screen.

You can use any text editor or code editor that you prefer using with the command-line C compiler. Here are some useful text editors that most programmers are like:

IDE C/C++ Compilers

Integrated Development Environment or IDE for short is an application or software which programmers use for programming. It helps a programmer to program easily by providing all comprehensive facilities required for the development of software. IDE can improve the productivity of a programmer or developer because of its fast setup and various tools. Without this, a programmer takes a lot of time deciding various tools to use for their tasks.

Mainly, an IDE includes 3 parts: source code editor, build automation tool (compiler) and a debugger. The source code editor is something where programmers can write the code, whereas, build automation tool is used by the programmers for compiling the codes and the debugger is used to test or debug the program in order to resolve any errors in the code. Furthermore, these IDEs also comes with additional features like object and data modeling, unit testing, source code library, and a lot more.

As of now, several IDEs are available for various programming languages like Python, C++, Java. JavaScript, R, and others. The modern IDEs even possess intelligent code completion for maximizing the programmer's productivity.

IDE C compilers have the advantages:

• The IDE compilers usually have a built-in code editor that is colorized for C/C++. That means the C/C++ keywords are in one color (like blue), text in text strings may be in another color (like red), comments may be in green, while another text is in black. And if you misspell a keyword in C/C++ or miss a quotation mark, this becomes immediately obvious.
• Takes less time and effort- It includes various tools and features that help to prevent mistakes, organizes resources and provides shortcuts.
• It allows quick navigation to the type.
• Programmers can quickly navigate to other members by using hyperlinks.
• IDEs organize imports and can add appropriate imports.
• It can give warning in case of any errors or mistakes.
• IDEs are great for generating code or completing the code depending upon previous codes.
• These environments make the unit test's running easy.

Disadvantages of IDE C/C++ compilers are:

• Commercial IDE C/C++ compilers cost money.
• Usually, you must install it on your own computer, and require more disk space to install the software.
• Using a command-line compiler is much faster than an IDE.
• In UNIX/Linux computer system, you can not operate the IDE over the telnet interface.

Lab Experiment

Now you will learn how to create a new project for a windows console application in the IDE

C Lab Alpha-1 00 Mac Os Sierra

Microsoft Visual C++ 2019

Before writing any C code, you must create a folder to store all the C projects. On the Windows desktop, create a folder named EE2450.

If you are the first time to launch the Visual Studio, please read this...

When you first time to launch the Visual Studio 2019 (VS2019), the VS2019 will ask you to sign in, create an account or skip it. If you have a Windows account then you can sign in. Otherwise, click Not row, maybe later.

Figure 1-1: Visual Studio Welcome Window

Next, the VS2019 will ask you to select the development settings. From the combo box list, select Visuall C++ item, and choose your color theme. Then click Start Visual Studio.

Figure 1-2: Development Environment Settings

After you launch the Visual Studio, you will see the Get Started dialog. You can click Open a project or solution to open the existing project, or click Create a new project, or click Continue without code to enter the main window.

Let us create a new project for a console application.

1. You can click Create a new project in the Get Started dialog, or you can select File ➤ New ➤ Project... from the main menu in the main window.
   
2. In the Create a new project dialog, search and select (C++, Windows, Console) to create a console application.
   
3. The Configure your new project dialog will show on the screen.
   
   • Provide a name for your project in the Project name field. For example Lab01_MyFirstC.
   • Change the project folder in the Location field: <Desktop>EE2450
   • A solution is a container that can have one or more projects. For example, typing EE2450_VC in the Solution name field.
   • Do not select Place solution and project in the same directory.
   
   
4. Then, the Visual Studio main window will show on the screen as below.
   
   • In the Source-Code editor window, VS will automatically create a template source file, the filename is the same as the project name. If your VS does not create the source file, you have to add a new file into the solution by the following steps:
     
     1. In the Solution Explorer window, right-click on your Solution, and select Add ➤ New Item ....
     2. In the New File dialog, select C++ File (.cpp) under Installed ➤ Visual C++ catalog.
     3. Enter main.cpp in the Name field, then click Add.
   • The Solution Explorer can let you view and manage your application's files. If the Solution Explorer is not displayed, you can display it by selecting View ➤ Solution Explorer from the main menu.
5. Enter the following code to the c source file. (you may either use the existing stub code or delete all and start from scratch)
   
6. Compiler the code
   In the main menu, select Build ➤ Build Solution to compile the code.
   
7. Check the message in the Output window.
   If there are any errors in your code, the Output window will show you how many failed there are in the code and all the errors will be listed in the Error List window. Try to understand the error message, then double-click on the error message, the VS will point to the line of the code and then you have to fix the error.
   If you got error code C4996, the solutions are listed at the end of this article.
8. If the code can be successfully built, you can execute the program by the two ways:
   
   • Select Debug ➤ Start Debugging from the main menu, or press F5 key: The program will be launched and will stop at the line where it is set by a breakpoint.
   • Select Debug ➤ Start Without Debugging from the main menu, or press Ctrl+F5 key: The IDE opens a Command Prompt window and executes the program.

When you compile the code, you may get an error message about 'This function or variable may be unsafe. Consider using xxxxx_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS.' The reason is that the function or variable is a pointer and the Visual Studio compiler marks it as unsafe. You can modify the code to use the Microsoft-invented functions suggested by the compiler, but you will lose compatibility with other compilers or platforms. For code compatibility, you must disable security checks in Visual Studio. To ride this problem, you can use one of the following methods:

1. Using #define Statement

Using #define Statement

Add the following statement at the top of the source code:

2. Set Definition in Project Properties

Set Definition in Project Properties

Or set the _CRT_SECURE_NO_WARNINGS definition to the Preprocessor Definitions in the project properties.

1. From the main menu, select Project ➤ <project name> Properties.
2. Then in the pop-up Property Pages dialog box, select Configuration Properties ➤ C/C++ ➤ Preprocessor.
3. Edit Preprocessor Definitions and add _CRT_SECURE_NO_WARNINGS last empty line.

3. Disable the Error Code

Disable the Error Code

Or you can add the following statement in the code to disable the error code.

4. Disable the SDL Checks

Disable the SDL Checks

Or disable the SDL (Security Development Lifecycle) checks in the project property

1. From the main menu, select Project ➤ <project name> Properties.
2. Then in the pop-up Property Pages dialog box, select Configuration Properties ➤ C/C++ ➤ General.
3. Set SDL checks to No (/sdl-)

C++Builder 10.3

C++Builder is a rapid application development (RAD) environment, originally developed by Borland and as of 2009 owned by Embarcadero Technologies. It includes tools that allow drag-and-drop visual development, making programming easier by incorporating a graphical user interface builder.

Before writing any C code, you must create a folder to store all the C projects.

1. On the Windows desktop, create a folder named EE2450.
2. Double-click the EE2450 folder and create a subfolder named BCB.
3. Under the BCB folder, create a subfolder named Lab01_MyFirstC to store the project for this lab.

The following steps show how to create a new C/C++ console application in C++Builder.

1. Launch C++Builder by double-click C++Builder icon.
2. From the main menu, select File ➤ New ➤ Console Application - C++Builder.
   Or select File ➤ New ➤ Other... ➤ C++Builder Projects, then select Console Application in the New Items dialog box.
   
3. The New Console Application dialog box opens. Select the source type (C or C++) for the main module of the project, or enable Specify project source and specify the preexisting file that contains a main or winmain function.
   For C++, in the Target Framework group, specify the application type if you want your application to display visuals:
   • FireMonkey: to create a FireMonkey application
   • Visual Component Library: to create a VCL application
   • None: a default framework
   
   Click OK.
4. Then, the IDE creates a project file for this type of source file and displays the Code Editor.
   
5. Enter your code into the code editor (you may either use the existing stub code or delete all and start from scratch)
   
6. Project Saving
   Before the beginning of the application development is recommended to save the project by selecting File ➤ Save All from the main menu, or click the Save All button from the toolbar.
   Saving a project takes place in four steps.
   
   1. The first step is to save the main file. By default, the filename is proposed as File1.cpp. Browse to the project folder and change the file name to main.cpp, then click Save.
      
   2. The second step is saving the precompiled header file. The default filename for the generated precompiled header is <projectname>PCH<n>.h. Use default name and click Save.
      
   3. Then save the project file. Change the filename to Lab01_MyFirstC.cbproj and click Save.
      
   4. The last step is saving the project group file. In the Project window, right-click on the ProjectGroup1 and select Save Project Group.
      Then change the folder to Desktop ➤ EE2450 ➤ BCB, and change the filename to EE2450_BCB.griupproj, then click Save.
      
7. Compile the code
   In the main menu, select Project ➤ Build Lab01_MyFirstC to compile the code or press Shift+F9 key to build the code.
   If there are any errors in your code, the Build dialog will show you how many errors in the code and all the errors will be listed in the Messages window. Try to understand the error message, then double-click on the error message, the IDE will point to the line of the code and then you have to fix the error.
8. If the code can be successfully built, you can execute the program by the two ways:
   
   • Select Run ➤ Run from the main menu, or click the Run button, or press F9 key: The program will be launched and will stop at the line where it is set by a breakpoint.
   • Select Run ➤ Run Without Debugging from the main menu, or click the Run Without Debugging button, or press the F9 key: The IDE opens a Command Prompt window and executes the program.

What is the difference between Compile, Build and Make in the menu of Project build?

As you develop your application in the IDE, you can compile (or make), build, and run the application in the IDE. All three operations can produce an executable (such as .exe, .dll, .obj, or .bpl). However, the three operations differ slightly in behavior:

• Compile (Project ➤ Compile) or, for C++, Make (Project ➤ Make) compiles only those files that have changed since the last build as well as any files that depend on them. Compiling or making does not execute the application (see Run).
• Build (Project ➤ Build) compiles all of the source code in the current project, regardless of whether any source code has changed. The building is useful when you are unsure which files have changed, or if you have changed project or compiler options.
• Run (Run ➤ Run (F9)) compiles any changed source code and, if the compile is successful, executes your application, allowing you to use and test it in the IDE.

Run the code and capture the screen. Paste it to your report.

Extra Useful Information for You!

How to capture your screen in Windows 10?

How to capture your screen in Windows 10?

There are many ways to take screenshots on Windows. Windows 10 itself has quite a few built-in screenshot tools, and there are some excellent free options out there if you want more features.

Windows 10

On Windows 10, you can just press Windows+PrtScn on your keyboard to instantly save a full-screen screenshot in PNG form to your Pictures folder.

You can also press the PrtScn key on any version of Windows to save a copy of your screen (or Alt+PrtScn for just the active window) to your clipboard. You can then paste it into any application. And, on Windows 10, you can even press Windows+Shift+S to capture a region of your screen and copy it to your clipboard.

If you want something a little more powerful, you can launch the Snipping Tool included with Windows 7, 8, and 10. To find the Windows Snipping Tool, click Start button and type snip. The Snipping Tools can take screenshots of your full screen, a single window, or an area of your screen. You can set a delay of up to five seconds if you need time to set up a screenshot after clicking the button.