Introduction to Our Lessons
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C# and Our Lessons
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C#, pronounced c sharp, is a programming language that can be used to give
instructions to a computer. The instructions can be written from a text editor
such as Notepad. Another way is to use a programming environment that is
equipped with many tools that make it easy to work on projects, to create the
necessary files, and to distribute a completed application.
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Many programming environments are available. Probably
the most popular programming environment you can use to write C#
instructions is Microsoft Visual Studio. This is commercial application
available for purchase from Microsoft. If your primary goal is to learn the
C# language, Microsoft provides a free programming studio you can use:
Microsoft Visual C# 2010 Express.
To follow our lessons, you can use Microsoft Visual
Studio 2010 or Microsoft Visual C# 2010 Express. To get Microsoft Visual C#
2010 Express, get to the
Microsoft web site and click the Visual Studio Express link.
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Starting Microsoft Visual C# Express
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To launch Microsoft Visual C# 2010 Express, you can
click Start -> (All) Programs -> Microsoft Visual Studio 2010 Express ->
Microsoft Visual C# 2010 Express:
To launch Microsoft Visual Studio 2010, you can click
Start -> (All) Programs -> Microsoft Visual Studio 2010.
The Microsoft Visual Studio Interface
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The Main Menu
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The top section of Microsoft Visual Studio displays the
main menu divided in categories such as File or Edit. The main menu is used
like the menu of a normal application.
Under the main menu, there is a toolbar. Normally, when
the studio is launched, it displays the Standard toolbar as its default.
Some additional toolbars will display in response to an action from you.
Still, you can display other toolbars if you want. To do this:
- On the main menu, click View -> Toolbars and click the toolbar of your choice
- Right-click the main menu or any toolbar. In the that appears, click the desired toolbar
Toolbars are used the same way they are in other
applications.
Microsoft Visual Studio's menus and toolbars can be
customized. You can customize a menu category on the main menu by adding a
menu item to it. You can customize a toolbar by adding a button to it. To
start, right-click anything on the main menu or on any toolbar and click
Customize... For example, imagine you want to add an item named Start
Without Debugging to the left side of the Start button:
To do this:
- Right-click the main menu or a toolbar and click Customize
- On the Customize dialog box, click the Commands tab
- Click the Toolbars radio button
- In the Toolbars combo box, select the toolbar that will host the button. For our example, that would be Standard
- In the Controls list, click the button that will come after the new
button. For our example, that would be Start / Continue:
- Click Add Command...
- In the Categories list of the Add Command dialog box, select the category that has the button you want. For our example, that would be Debug
- In the Commands list, click the desired button or menu item. For
our example, that would be Start Without Debugging
- After making the selection, click OK
- On the Customize dialog box, click Close:
In the same way, you can customize any toolbar and any
menu category.
The Start Page
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The Start Page is the main body of Microsoft Visual
Studio or Microsoft Visual C# Express when it has been launched. It starts
on top with a tab labeled Start Page. The main body of Microsoft Visual C#
Express displays Microsoft Visual C# 2010 Express. The left section shows
two labels: New Project... and Open Project... When some projects have been
previously created or used, their names appear under Open Project... When
you work on a project, the Start Page is usually in the background but it is
represented by a tab. At any time, to display the Start Page:
- You can click the Start Page label in the top section of the Code Editor
- On the main menu, you can click View -> Start Page
When you start or open a project, the studio makes some
windows available. These are the most regularly used windows. If you think
that one of them is not regularly used in your types of assignments, you can
remove it from the screen. To hide a window, you can click its Close button
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All of the windows you can use are listed in the View
menu. Therefore, if a window is not displaying, you can click View on the
main menu and click a window of your choice.
Auto Hiding a Window
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When working on a project, you will use a set of windows
that each accomplishes a specific purpose. Some windows are represented by
an icon but hide the rest of the body. To display such a window, you can
position the mouse on it. This would expand the window:
If you expand a window, it would display a title bar
with three buttons. One of the button is called Auto Hide:
If you expand a window but find out you don't need it
any more, you can just move the mouse away. The window would return to its
previous state. Based on this functionality, if you are working with a
window and move the mouse away, it would retract. If you need it again, you
would have to reopen it using the same technique. If you are going to work
with a certain window for a while, you can keep it open even if you move the
mouse away. To do this, you can click the Auto Hide button. If clicked, the
Auto Hide button changes from pointing left to pointing down:
By default, the studio installs some windows to the left
and some others to the right of the screen. You can change this arrangement
if you want. To do this, expand a window, then click its title bar and start
dragging. While you are dragging, to assist you with a new position, the
studio displays five boxes:
Docking a Window to a Side of the Studio
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To position a window on one side of the studio, drag its
title bar to the box that represents that side. When you get to a side, a
transparent blue rectangle would be drawn to indicate the possible position.
Drop the window to either the most left guiding box to position it to the
left of the screen, or to the most right guiding box to position it to the
right of the screen. Here is an example:
or
To position a window to the top or the bottom side of
the studio, drag its title bar to either the most top guiding box to
position it to the top of the studio or to the most bottom guiding box to
position it to the bottom of the studio. Here is an example:
Docking a Window Above or Below Another
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To make two windows share an area, you can position one
above or below an existing window. Of course, you must first have a window
as reference. Then, drag the second window to the existing window. Drop it
in the top or the bottom guiding box of the middle big box.
This
Becomes
Floating Windows
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Most of the windows you will use are positioned on one
side of the screen. If you want, you can have a window that stays on top of
other windows but is not "glued" to one side. Such a window is said to
float. To float a window, drag its title bar and release it somewhere in the
middle of the screen but not on a guiding box.
When a window is floating, it displays a Maximize button
on the title bar. If you click this button, the window occupies the whole
interface of Microsoft Visual Studio. In the same way, if you double-click
the title bar, the window gets maximized.
If a window is currently floating and you want to dock
it, right-click its title bar and click Dock:
If a window is currently docked and you want to float
it, right-click its title bar and click Float.
Coupling Windows
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You can make two or more windows share one side of the
screen or to share an area. To do this, first expand and dock the window
that you will use as the base (or reference). Then, drag the title bar of
the window that will share the area to its target until the bottom part of
the base window shows a highlighted and a non highlighted area:
Then release the mouse:
To remove a window that shares an area, drag its tab
away:
To position a window to the left or the right of an
existing window, first drag the second window to where the existing window
is. Then click the left (or the right, depending on the side you want)
guiding box of the multiple-box.
This
becomes this
In the same way, you can make two or more windows share
the same area.
Tabbed Windows
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You can make a window display its tab in the top section
of the Code Editor and share the area with it. There are two ways yon do it:
- You can drag a window and drop it on the tab of the Start Page.
This
becomes this
If a window is already represented with a tab on top of
the Code Editor, you can drag the second window and drop it to the left or
of the right tab of the existing window.
- You can right-click Dock as Tabbed Document
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