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Spis treści

Visual Basic 2005 Cookbook. Solutions for VB 2005 Programmers eBook -- spis treści

• Visual Basic 2005 Cookbook
• Dedication
• A Note Regarding Supplemental Files
• Preface
  • Who This Book Is For
  • How This Book Is Organized
  • What You Need to Use This Book
  • Conventions Used in This Book
  • Using Code Examples
  • Comments and Questions
  • Safari Enabled
  • Acknowledgments
  • From Tim Patrick
  • From John Clark Craig
• 1. Visual Basic Programming
  • Introduction
  • 1.1. Creating a Windows Forms Application
  • 1.2. Creating a Console Application
  • 1.3. Creating an ASP.NET Web Forms Application
• 2. The Development Environment
  • Introduction
  • 2.1. Discovering and Using a Code Snippet
  • 2.2. Creating a New Snippet
  • 2.3. Sharing Snippets
  • 2.4. Adding Snippet Files to Visual Studio
  • 2.5. Getting an Applications Version Number
  • 2.6. Letting Visual Studio Automatically Update an Applications Version Number
  • 2.7. Setting the Startup Form for an Application
  • 2.8. Setting the Startup to a Sub Main Procedure
  • 2.9. Getting an Applications Command Line
  • 2.10. Testing an Applications Command Line
  • 2.11. Obfuscating an Application
  • 2.12. Determining if an Application Is Running in the Visual Studio Environment
  • 2.13. Accessing Environment Variables
  • 2.14. Accessing the Registry
  • 2.15. Getting System Information
  • 2.16. Getting the Users Name
• 3. Application Organization
  • Introduction
  • 3.1. Creating a Code Module
  • 3.2. Creating a Class
  • 3.3. Creating a Structure
  • 3.4. Creating Other Item Types
  • 3.5. Creating Object Instances
  • 3.6. Initializing a Class Instance with Data
  • 3.7. Releasing an Instances Resources
  • 3.8. Using Namespaces
  • 3.9. Splitting a Class Across Multiple Files
  • 3.10. Creating a Form Based on Another Form
  • 3.11. Passing and Returning Structures and Other Objects
  • 3.12. Creating and Using an Enumeration
  • 3.13. Converting Between Numeric and String Enumeration Values
  • 3.14. Creating a Method That Accepts Different Sets of Arguments
  • 3.15. Using Standard Operators for Nonstandard Purposes
  • 3.16. Enforcing Strong Data Typing in an Otherwise Weakly Typed Collection
• 4. Forms, Controls, and Other Useful Objects
  • Introduction
  • 4.1. Creating and Adding Controls at Runtime
  • 4.2. Iterating Through All Controls on a Form
  • 4.3. Sharing Event-Handler Logic Among Many Controls
  • 4.4. Working with Timers
  • 4.5. Determining If a Control Can Take the Focus
  • 4.6. Programmatically Clicking a Button
  • 4.7. Drawing a Control
  • 4.8. Making a Form the Top-Most Form
  • 4.9. Indicating the Accept and Cancel Buttons on a Form
  • 4.10. Remembering a Forms Position Between Uses
  • 4.11. Attaching a Control to the Edge of a Form
  • 4.12. Moving or Resizing Controls as a Form Resizes
  • 4.13. Limiting the Sizing of a Form
  • 4.14. Centering a Form
  • 4.15. Creating and Moving a Borderless Form
  • 4.16. Creating a Fading Form
  • 4.17. Creating a Nonrectangular Form
  • 4.18. Changing Menus at Runtime
  • 4.19. Creating Shortcut Menus
• 5. Strings
  • Introduction
  • 5.1. Using a StringBuilder
  • 5.2. Creating a String of N Identical Characters
  • 5.3. Creating a String by Repeating a String N Times
  • 5.4. Obfuscating a String
  • 5.5. Converting Binary Data to a Hexadecimal String
  • 5.6. Extracting Substrings from Larger Strings
  • 5.7. Converting a Strings Case
  • 5.8. Comparing Strings with Case Sensitivity
  • 5.9. Comparing Strings Without Case Sensitivity
  • 5.10. Converting Strings to and from Character Arrays
  • 5.11. Converting Strings to and from Byte Arrays
  • 5.12. Tallying Characters
  • 5.13. Counting Words
  • 5.14. Removing Extra Whitespace
  • 5.15. Using the Correct End-of-Line Characters
  • 5.16. Replacing Substrings
  • 5.17. Inserting a Character or String
  • 5.18. Inserting a Line
  • 5.19. Double-Spacing a String
  • 5.20. Formatting Numbers into Strings
  • 5.21. Trimming Sets of Characters from a String
  • 5.22. Identifying and Validating Types of Data in a String
  • 5.23. Converting Strings Between Encoding Systems
  • 5.24. Determining a Characters Type
  • 5.25. Parsing Strings
  • 5.26. Concatenating Strings
  • 5.27. Speeding Up String Manipulation
  • 5.28. Counting Occurrences of a Substring
  • 5.29. Padding a String for Exact Length and Alignment
  • 5.30. Converting Tabs to Spaces
  • 5.31. Reversing a String
  • 5.32. Shuffling a String
  • 5.33. Using a Simple String Encryption
  • 5.34. Converting a String to Morse Code
  • 5.35. Adding Strings to an Applications Resources
  • 5.36. Converting Any Data to a String
  • 5.37. Using Regular Expressions to Extract All Numbers
  • 5.38. Getting a Count of Regular Expression Matches
  • 5.39. Getting the Nth Regular Expression Match
  • 5.40. Compiling Regular Expressions for Speed
  • 5.41. Using Regular Expressions to Validate Data
  • 5.42. Using Regular Expressions to Count Characters, Words, or Lines
  • 5.43. Converting a String to and from Base64
  • 5.44. Splitting a String
  • 5.45. Creating a String of Space Characters
• 6. Numbers and Math
  • Introduction
  • 6.1. Using Compact Operator Notation
  • 6.2. Choosing Integers of the Right Size and Type for the Job
  • 6.3. Using Unsigned Integers
  • 6.4. Swapping Two Integers Without Using a Third
  • 6.5. Using Single- and Double-Precision Variables
  • 6.6. Using Decimal Variables for Maximum Precision
  • 6.7. Converting Between Number Types
  • 6.8. Rounding Numbers Accurately
  • 6.9. Declaring Loop Counters Within Loops
  • 6.10. Converting Between Radians and Degrees
  • 6.11. Limiting Angles to a Range
  • 6.12. Creating Double-Precision Point Variables
  • 6.13. Converting Between Rectangular and Polar Coordinates
  • 6.14. Creating Three-Dimensional Variables
  • 6.15. Converting Between Rectangular, Spherical, and Cylindrical Coordinates
  • 6.16. Working with Complex Numbers
  • 6.17. Solving Right Triangles
  • 6.18. Solving Any Triangle
  • 6.19. Determining if a String Contains a Valid Number
  • 6.20. Converting Numbers to Integers
  • 6.21. Calculating to Thousands of Digits
  • 6.22. Getting a Numbers Prime Factors
  • 6.23. Using Recursion to Calculate Factorials
  • 6.24. Manipulating Bits with Bitwise Operators
  • 6.25. Storing and Retrieving Bits in a BitArray
  • 6.26. Enhancing the Random Number Generator
  • 6.27. Generating Random Integers in a Range
  • 6.28. Generating Random Real Numbers in a Range
  • 6.29. Generating Normal-Distribution Random Numbers
  • 6.30. Generating Exponential-Distribution Random Numbers
  • 6.31. Creating a Matrix
  • 6.32. Inverting a Matrix
  • 6.33. Calculating the Determinant of a Matrix
  • 6.34. Solving Simultaneous Equations
  • 6.35. Listing of the MatrixHelper Class
• 7. Dates and Times
  • Introduction
  • 7.1. Getting the System Date and Time
  • 7.2. Accessing the Systems Time Zone
  • 7.3. Using System Ticks
  • 7.4. Timing Application Activities
  • 7.5. Calculating Elapsed Time Using Ticks
  • 7.6. Calculating Elapsed Time with the Stopwatch
  • 7.7. Extracting Year, Month, and Day Numbers from a Date Value
  • 7.8. Extracting Hour, Minute, and Second Numbers from a Date Value
  • 7.9. Creating a Date or Time Value from Its Parts
  • 7.10. Formatting Dates and Times
  • 7.11. Parsing and Validating Dates and Times
  • 7.12. Adding to Dates and Times
  • 7.13. Subtracting from Dates and Times
  • 7.14. Determining the Number of Days Between Two Dates
  • 7.15. Determining the Day of the Week for a Date
  • 7.16. Determining the Day of the Year for a Date
  • 7.17. Determining the Number of Days in a Month
  • 7.18. Using Controls to Enter or Select a Date
  • 7.19. Calculating the Phase of the Moon
  • 7.20. Creating a Calendar
  • 7.21. Checking for Leap Years
  • 7.22. Dates and Times in ISO 8601 Formats
• 8. Arrays and Collections
  • Introduction
  • 8.1. Filling an Array While Declaring It
  • 8.2. Sorting Array Elements
  • 8.3. Reversing an Array
  • 8.4. Inserting into an Array
  • 8.5. Shuffling an Array
  • 8.6. Swapping Two Array Values
  • 8.7. Resizing Arrays Without Losing Existing Values
  • 8.8. Quickly Copying Part of an Array into Another
  • 8.9. Writing a Comma-Separated-Values File from a String Array
  • 8.10. Reading a Comma-Separated-Values File into a String Array
  • 8.11. Using a Multivalue Array Instead of a Two-Dimensional Array
  • 8.12. Converting Between Delimited Strings and Arrays
  • 8.13. Formatting an Array as a Single String
  • 8.14. Iterating Through Array Elements
  • 8.15. Passing Arrays to Methods
  • 8.16. Returning Arrays from Functions
  • 8.17. Creating a Collection
  • 8.18. Inserting an Item into a Collection
  • 8.19. Deleting a Collection Item
  • 8.20. Iterating Through a Collection
• 9. Graphics
  • Introduction
  • 9.1. Creating Graphics Objects
  • 9.2. Drawing on Controls for Special Effects
  • 9.3. Letting the User Select a Color
  • 9.4. Working with Coordinate Systems (Pixels, Inches, Centimeters)
  • 9.5. Creating a Bitmap
  • 9.6. Setting a Background Color
  • 9.7. Drawing Lines, Ellipses, and Rectangles
  • 9.8. Drawing Lines One Pixel Wide Regardless of Scaling
  • 9.9. Forcing a Form or Control to Redraw
  • 9.10. Using Transparency
  • 9.11. Scaling with Transforms
  • 9.12. Using an Outline Path
  • 9.13. Using Gradients for Smooth Color Changes
  • 9.14. Drawing Bezier Splines
  • 9.15. Drawing Cardinal Splines
  • 9.16. Limiting Display Updates to Specific Regions
  • 9.17. Drawing Text
  • 9.18. Rotating Text to Any Angle
  • 9.19. Mirroring Text on the Canvas
  • 9.20. Getting the Height and Width of a Graphic String
  • 9.21. Drawing Text with Outlines and Drop Shadows
  • 9.22. Calculating a Nice Axis
  • 9.23. Drawing a Simple Chart
  • 9.24. Creating Odd-Shaped Forms and Controls
  • 9.25. Using the RGB, HSB (HSV), and HSL Color Schemes
  • 9.26. Creating a Rubber-Band Rectangular Selection
  • 9.27. Animating with Transparency
  • 9.28. Substitutions for Obsolete Visual Basic 6.0 Features
• 10. Multimedia
  • Introduction
  • 10.1. Playing an Audio File
  • 10.2. Displaying Image Files
  • 10.3. Playing a Video File
  • 10.4. Making Your Computer Beep
  • 10.5. Creating an Animation Using Multiple Images
  • 10.6. Creating an Animation by Generating Multiple Bitmaps
  • 10.7. Creating an Animation by Drawing at Runtime
  • 10.8. Creating Animated Sprites
  • 10.9. Resizing and Compressing JPEG Files
  • 10.10. Getting JPEG Extended Information
  • 10.11. Creating Thumbnails
  • 10.12. Displaying Images While Controlling Stretching and Sizing
  • 10.13. Scrolling Images
  • 10.14. Merging Two or More Images
  • 10.15. Using Resource Images
  • 10.16. Capturing an Image of the Screen
  • 10.17. Getting Display Dimensions
  • 10.18. Speeding Up Image Processing
  • 10.19. Converting an Image to Grayscale
  • 10.20. Performing Edge Detection on an Image
  • 10.21. Full Listing of the LockImage Class
• 11. Printing
  • Introduction
  • 11.1. Enumerating Printers
  • 11.2. Sending Raw Data to a Printer
  • 11.3. Get Details About the Default Printer
  • 11.4. Creating a Print Preview
  • 11.5. Prompting for Printed Page Settings
  • 11.6. Drawing Text and Graphics to a Printer
  • 11.7. Determining the Print Destination
  • 11.8. Creating Graph Paper
• 12. Files and File Systems
  • Introduction
  • 12.1. Enumerating Drives
  • 12.2. Determining if a Directory Exists
  • 12.3. Creating a New Directory
  • 12.4. Copying Directories
  • 12.5. Moving Directories
  • 12.6. Renaming Directories
  • 12.7. Parsing File and Directory Paths
  • 12.8. Searching Iteratively Through Directories and Subdirectories
  • 12.9. Finding Directories and Files Using Wildcards
  • 12.10. Determining If a File Exists
  • 12.11. Getting and Setting File Attributes
  • 12.12. Accessing Special User and Windows Directories
  • 12.13. Determining the Space on a Drive
  • 12.14. Browsing for a Directory
  • 12.15. Getting File Information
  • 12.16. Using File-Access Methods
  • 12.17. Reading and Writing Files as Strings
  • 12.18. Reading and Writing Binary Files
  • 12.19. Copying or Moving a File
  • 12.20. Sending a File to the Recycle Bin
  • 12.21. Creating a Temporary File
  • 12.22. Calculating a Checksum for a File
  • 12.23. Comparing Two Files for Equality
  • 12.24. Locking a File During Access
  • 12.25. Reading from a File at a Specific Position
  • 12.26. Reading and Writing Objects in a File
  • 12.27. Creating a Comma-Separated-Values File
• 13. Databases
  • Introduction
  • 13.1. Connecting to a Data Provider
  • 13.2. Issuing SQL Commands
  • 13.3. Retrieving Results from a Database Query
  • 13.4. Using SQL Parameters
  • 13.5. Using Stored Procedures
  • 13.6. Using Transactions
  • 13.7. Storing the Results of a Query in Memory
  • 13.8. Creating In-Memory Data Tables Manually
  • 13.9. Writing In-Memory Data Tables to an XML File
  • 13.10. Reading an XML File into In-Memory Data Tables
• 14. Special Programming Techniques
  • Introduction
  • 14.1. Preventing Multiple Instances of a Running Application
  • 14.2. Creating a Simple User Control
  • 14.3. Describing User Control Properties
  • 14.4. Starting Other Applications by EXE, Document, or URL
  • 14.5. Waiting for Applications to Finish
  • 14.6. List All Running Processes
  • 14.7. Terminating a Running Process
  • 14.8. Pausing Execution of a Program
  • 14.9. Control Applications by Simulating Keystrokes
  • 14.10. Watching for File and Directory Changes
  • 14.11. Creating an Icon in the System Tray
  • 14.12. Accessing the Clipboard
  • 14.13. Adding Tooltips to Controls
  • 14.14. Dragging and Dropping Files to a ListBox
  • 14.15. Dragging and Dropping Between ListBox Controls
  • 14.16. Disposing of Objects Appropriately
  • 14.17. Fine-Tuning Garbage Collection
  • 14.18. Moving the (Mouse) Cursor
  • 14.19. Intercepting All Key Presses on a Form
  • 14.20. Accessing the Registry
  • 14.21. Running Procedures in Threads
  • 14.22. Reading XML into a TreeView
  • 14.23. Creating an XML Document
  • 14.24. Validating an XML Document
  • 14.25. Using Generic Collections
  • 14.26. Creating a Screensaver
  • 14.27. Localizing the Controls on a Form
  • 14.28. Adding Pop-up Help to Controls
  • 14.29. Maintaining User-Specific Settings Between Uses of an Application
  • 14.30. Verifying a Credit Card Number
  • 14.31. Capturing a Console Applications Output
  • 14.32. Reading an Assemblys Details
  • 14.33. Performing Serial I/O
  • 14.34. Rebooting the System
• 15. Exceptions
  • Introduction
  • 15.1. Catching an Exception
  • 15.2. Throwing an Exception
  • 15.3. Catching Unhandled Exceptions
  • 15.4. Displaying Exception Information
  • 15.5. Creating New Exception Types
  • 15.6. Ignoring Exceptions in a Block of Code
• 16. Cryptography and Compression
  • Introduction
  • 16.1. Generating a Hash
  • 16.2. Encrypting and Decrypting a String
  • 16.3. Encrypting and Decrypting a File
  • 16.4. Prompting for a Username and Password
  • 16.5. Handling Passwords Securely
  • 16.6. Compressing and Decompressing a String
  • 16.7. Compressing and Decompressing a File
  • 16.8. Generating Cryptographically Secure Random Numbers
  • 16.9. Complete Listing of the Crypto.vb Module
  • 16.10. Complete Listing of the Compress.vb Module
• 17. Web Development
  • Introduction
  • 17.1. Displaying Web Pages on a Form
  • 17.2. Accessing Content Within an HTML Document
  • 17.3. Getting All Links from a Web Page
  • 17.4. Get the Local Computers IP Address
  • 17.5. Resolving a Host Name or IP Address for Another Computer
  • 17.6. Pinging an IP Address
  • 17.7. Using FTP to Download Files
  • 17.8. Calling a Web Service
  • 17.9. Sending Email Using SMTP
  • 17.10. Getting POP3 Emails
  • 17.11. Sending a Message to Another Computer
  • 17.12. Adding Hyperlinks to a (Desktop) Form
• Index
• About the Authors
• Colophon
• Copyright