Term
| In this type of application, each line in Main() is executed sequentially and then the program halts |
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Definition
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Term
| A notification from the operating system that an action, such as the user clicking the mouse or pressing a key, has occurred. |
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Definition
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Term
| Once this type of application is launched, it sits in a process loop and waits for an event to occur |
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Definition
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Term
| With Windows applications, you write methods called _______ methods to indicate what should be done when an event occurs |
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Definition
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Term
| The front end of a program is called a(n) ______ and is the visual image you see when you run a program |
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Definition
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Term
| Graphical user interfaces (GUI's) include: |
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Definition
- Menus
- Text in many different colors and sizes
- Other controls (pictures, buttons, etc) |
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Term
| Objects that can display and respond to user interaction are called: |
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Definition
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Term
| The place where most of the classes for developing Windows-based applications are organized |
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Definition
| The System.Windows.Forms namespace |
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Term
| The _____ definition includes not only the class name, but a colon followed by another class name |
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Definition
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Term
| IN the class heading of a windows form class, the first class (before the colon) is called the ____ and the second class (after the colon) is called the _____ |
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Definition
- derived class
- base class |
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Term
What type of class is this an example of:
public class Form1 : Form |
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Definition
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Term
| In a Windows form class heading definition, derived classes inherit from the __________ |
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Definition
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Term
| A property for setting/getting title bar caption. It can also be used in a constructor |
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Definition
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Term
| Windows forms/controls off many properties including: |
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Definition
| Text, Color, Font, and Location |
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Term
| In a C# application, execution begins in the _____ |
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Definition
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Term
| The Main() method is located in the ___ file for the application |
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Definition
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Term
| The _____ method places the application in a process loop |
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Definition
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Term
Explain the following:
using System.Windows.Forms; (a)
namespace Windows0
{
public class Form1 (b): Form (c)
{
public Form1() (d)
{
Text = "Simple Windows Application"; (e)
}
static void Main()
{
Form1 winForm = new Form1();
Application.Run(winForm); (f)
}
} |
|
Definition
(a) New namespace referenced
(b) derived class
(c) base class
(d) constructor
(e) sets title bar caption
(f) starts process loop |
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Term
| Elements of Good Design (design considerations) |
|
Definition
- Consistency
- Alignment
- Avoid clutter
- Color
- Target Audience |
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Term
| Steps to create a new Windows-Based Application using Visual Studio |
|
Definition
(1)Select File > New Project
(2)Select the Windows Forms Application template
(3)Browse to location where you want to store your work |
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Term
| The top-level window for an application is called a _____ |
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Definition
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Term
| Windows Forms have an extensive collection of _____ classes |
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Definition
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Term
| Each Windows Form control class has a large collection of _____ and _____ |
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Definition
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Term
| The property of a Windows Forms control class can be selected from an alphabetized list called a ______ |
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Definition
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Term
| To add code to respond to events such as button clicks, go to the Properties window, select the _____ icon (Events), then double-click on the event name to generate the code |
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Definition
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Term
| When double-clicking on an event name in the properties window in order to generate code, the following happens: |
|
Definition
- The event is registered as being of interest
- A heading is added for the event-handler method |
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Term
When is this code added as the last line to the InitializeComponenet() method in the Form1.Designer.cd file:
this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing); |
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Definition
| When you double-click on the FormClosing event in the Event properties Windows list |
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Term
| The IDE separates the source code into three files. What are they? |
|
Definition
- Form1.cs (normally this is the only.u one you edit)
- Form1.Designer.cs (holds the auto generated code)
- Program.cs (contains the Main() method, where execution always begins |
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Term
| These two files both include partial class definitions for the Form1 class: |
|
Definition
Form1.cs
Form1.Designer.cs |
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Term
| All Windows forms controls are _____ that each come with their own predefined properties and methods |
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Definition
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|
Term
| Each Windows Form control fires an ____ |
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Definition
|
|
Term
| Each _____ is derived from the System.Windows.Forms.Control class |
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Definition
|
|
Term
| The two procedures to place controls onto a Windows Form |
|
Definition
| From the toolbox either (1) double-click on the control or (2) drag and drop the control |
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Term
| _____ provide descriptive text or labels for other controls |
|
Definition
|
|
Term
What does this do?
Label labelName - new Label(); |
|
Definition
| Instantiates a label object |
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|
Term
What does this do?
this.Controls.Add(labelName); |
|
Definition
| Adds a label control to the form |
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|
Term
| Some properties of the Label Control class include: |
|
Definition
| Text, TextAlign, Font, Location |
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|
Term
| These objects are used to enter data or display text during run time and can be used for both input and output |
|
Definition
|
|
Term
What does this code do?
TextBox textBoxName = new TextBox(); |
|
Definition
| instantiates a TextBox object |
|
|
Term
What does this code do?
this.Controls.Add(TextBoxName); |
|
Definition
|
|
Term
| Some properties of the Textbox Control class include: |
|
Definition
| MultiLine, ScrollBars, MaxLength, PasswordChar, CharacterCasing |
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Term
| A button event enables a user to click a ____ to perform a task. |
|
Definition
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|
Term
| If a button has a(n) _______ method and is registered as an event to which your program is planning to respond, the _____ method is called automatically when the button is clicked. |
|
Definition
|
|
Term
| Some properties of the Button Control class include: |
|
Definition
| Text, Enabled, Focused, TabIndex |
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|
Term
| Some guidelines for naming Controls (coding standards) |
|
Definition
- Consistency
- use appropriate prefix for controls (btn, txt, lbl, etc) |
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|
Term
| _____ store references (addresses) to methods, as opposed to storing actual data |
|
Definition
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|
Term
| _____ form the foundation for events in C# |
|
Definition
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|
Term
| Declaration of a delegate looks more like a _____ than a class definition |
|
Definition
|
|
Term
| A delegate declaration has no ____ |
|
Definition
|
|
Term
| A Declaration begins with the keyword ____ |
|
Definition
|
|
Term
| A Declaration ends with a ______ |
|
Definition
| parenthesized list of parameters |
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|
Term
| Unlike a method, the return type of a delegate becomes part of its identifying _____ |
|
Definition
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|
Term
The below code is an example of?
delegate string ReturnSimpleString(); |
|
Definition
| A Delegate declaration statement |
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Term
| Identifies what types of methods the delegate represents |
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Definition
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Term
| What are three examples of methods that return a string but require no argument. |
|
Definition
static string EndStatement()
static string ToString()
static string ReturnSaying() |
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|
Term
| You associate delegates with methods by creating ________ |
|
Definition
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|
Term
What is this code an example of:
ReturnSimpleString saying3 = new ReturnSimpleString(EndStatement); |
|
Definition
| An example of associating a delegate with a method by creating an instance |
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Term
| The Constructor for a delegate of the delegate class always takes a _______ |
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Definition
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|
Term
| The delegate base class type is defined in the ____ namespace |
|
Definition
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Term
| The _____ references the method sent as an argument to the constructor. Any use of the _____ now calls the method. |
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Definition
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Term
| ____ are said to be wrapped by the delegate |
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Definition
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|
Term
| A Delegate that can wrap more than one method is called a _____ |
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Definition
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|
Term
| Multicast delegate must have a return type of _____ |
|
Definition
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|
Term
| += and -= operators are used to add/remove methods to/from the delegate ____ or _____ list |
|
Definition
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|
Term
| Delegates are used for _____ applications |
|
Definition
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|
Term
| In a event-driven application, delegates act act as intermediaries between ____ that are raising or triggering an event |
|
Definition
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|
Term
| Of of the main advantages of the delegate is: |
|
Definition
| The same Delegate can call different methods during run time. |
|
|
Term
True or False:
The reason why delegates work so well in an event-driven application is because when the program is compiled, the method or methods that will be called are not determined. |
|
Definition
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|
Term
True or false:
A delegate serves as a bridge with event-driven applications. It acts as an intermediary between objects that are raising or triggering an event, and the object that captures the event and responds to it. |
|
Definition
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|
Term
| Event wiring consists of steps: |
|
Definition
(1) The click event is registered as being of interest.
(2) An event-handler method is generated |
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|
Term
True or false:
To wire an event means to associate (identify) a method to handle its event |
|
Definition
|
|
Term
What does this code do?
this.button1.Click += new System.EventHandler(this.button1_Click);
explain this code |
|
Definition
This code associates a method with a delegate.
The System.EventHandler is a delegate type.
button1.Click and button2.Click are methods
the keyword "this" is added to all code generated by VS to indicate the current instance of a class. |
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|
Term
| A ____ displays a list of items for single or multiple selections. A scroll bar is automatically added when the totoal number of items exceeds the number that can be displayed |
|
Definition
|
|
Term
| You can add or remove items from a ____ at design time or dynamically at run time |
|
Definition
|
|
Term
| ListBox has a number of properties and events. The ____ property is used to set initial values. |
|
Definition
|
|
Term
| To add items to a ListBox click on ______ |
|
Definition
|
|
Term
| The ListBox Name property is useful to set for _____ |
|
Definition
|
|
Term
| The ListBox Sorted property is set to ____ to avoid having to type values in sorted order |
|
Definition
|
|
Term
| To add functionality you need to _____ and event for the ListBox control object |
|
Definition
|
|
Term
| What does double-clicking on any control object do? |
|
Definition
| Registers its default event for the control |
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|
Term
| The default event for ListBox is: |
|
Definition
|
|
Term
| What property would you use to retrieve string data from a ListBox object? |
|
Definition
|
|
Term
What does this code do?
this.txtBoxResult.Text = this.lstBoxEvents.Text; |
|
Definition
| Retrieves ListBox string data and stroes it in a textbox object |
|
|
Term
What does this code do?
lstBoxEvents.Items.Add(txtBoxNewAct.Text); |
|
Definition
| Adds an item to a ListBox at runtime |
|
|
Term
| In many cases ListBox controls and _____ controls can be used interchangeably |
|
Definition
|
|
Term
True or false:
ListBox control is usually used when you have all the choices available at design time |
|
Definition
|
|
Term
True or false:
ComboBox facilitates displaying a list of suggested choices with an added feature |
|
Definition
|
|
Term
| ComboBox objects contain their own _____ field as part of the object |
|
Definition
|
|
Term
| ComboBox only allows a ______ selection to be made |
|
Definition
|
|
Term
| What happens when you register the KeyPress() event-handler method? |
|
Definition
| The event is fired with every keystroke |
|
|
Term
| Menus offer the advantage of: |
|
Definition
| taking up minimum space on your window. |
|
|
Term
True or false:
Menus enable you to add more functionality to your application through offering additional options to the user |
|
Definition
|
|
Term
| A collection of records stored in a computer in a systematic way, so that a computer program can consult it to answer questions |
|
Definition
|
|
Term
| Computer programs used to manage and query databases |
|
Definition
| Database Management Systems (DBMS) |
|
|
Term
| SQL Server, Oracle, and MS Access are all examples of what? |
|
Definition
| Database Management Systems |
|
|
Term
| Many DBMSs store data in _______ format |
|
Definition
|
|
Term
| Data in tables are related through common data field _____ |
|
Definition
|
|
Term
| DBMSs typically use a query language to program database access. This query language is called _______ |
|
Definition
| Structured Query Language (SQL) |
|
|
Term
|
Definition
|
|
Term
| The .NET data access technology for accessing data in databases is called _____ |
|
Definition
|
|
Term
| To retrieve data using ADO.NET you must first ______ to the database |
|
Definition
|
|
Term
| ADO.NET uses a feature called ____ to connect, execute commands, and retrieve results from a database |
|
Definition
|
|
Term
True of False:
ADO.NET Database Providers include MS SQL Server, Oracle, Object Linking and Embedding Database (OLEDB)(Applications that use Access), and Open Database Connectivity (ODBC)(Applications supported by earlier versions of VS) |
|
Definition
|
|
Term
True or False:
ADO.NET Data Providers are encapsulated into a namespace by provider |
|
Definition
|
|
Term
| Four core classes make up each data provider namespace. These four classes are: |
|
Definition
- Connection
- Command
- DataReader
- DataAdapter |
|
|
Term
What does this code do?
using System.Data.OldDb; |
|
Definition
| Allows you to use the OleDb class so that you can connect to an MS Access database |
|
|
Term
True or False:
When you instantiate an object of the connection class you send a connection string that includes the actual database provider and the data source (name of the database). |
|
Definition
|
|
Term
| One way to retrieve records programatically is to issue an _____ |
|
Definition
|
|
Term
| ADO.NET includes data reader classes which are used to ____ |
|
Definition
| read rows of data from a database |
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