Lou Tylee, Learn Visual Basic 6.0

cc7979

Lou Tylee, Learn Visual Basic 6.0, 1998 Learn Visual Basic 6.part001.rar BV7J48ow.rar (235 KB, 下载次数: 15)

2006-5-16 21:31 上传

点击文件名下载附件
Lou Tylee, Learn Visual Basic 6.0

cc7979

续 Learn Visual Basic 6.part006.rar wNCqlRIj.rar (24.95 KB, 下载次数: 13)

2006-5-16 21:33 上传

点击文件名下载附件
Lou Tylee, Learn Visual Basic 6.0

cc7979

Contents 1. Introduction to the Visual Basic Language and Environment ........ Preview........ 1-1 ........ Course Objectives.... 1-1 ........ What is Visual Basic?........ 1-2 ........ Visual Basic 6.0 versus Other Versions of Visual Basic........ 1-3 ........ 16 Bits versus 32 Bits........ 1-3 ........ Structure of a Visual Basic Application... 1-4 ........ Steps in Developing Application... 1-4 ........ Drawing the User Interface and Setting Properties.... 1-5 ........ Example 1-1: Stopwatch Application - Drawing Controls........ 1-9 ........ Setting Properties of Objects at Design Time...... 1-10 ........ Setting Properties at Run Time...... 1-11 ........ How Names Are Used in Object Events...... 1-11 ........ Example 1-2: Stopwatch Application - Setting Properties.. 1-12 ........ Variables.... 1-14 ........ Visual Basic Data Types...... 1-14 ........ Variable Declaration. 1-14 ........ Example 1-3: Stopwatch Application - Attaching Code...... 1-18 ........ Quick Primer on Saving Visual Basic Applications...... 1-20 ........ Exercise 1: Calendar/Time Display...... 1-21 2.... The Visual Basic Language ...... ........ Review and Preview........ 2-1 ........ A Brief History of Basic........ 2-1 ........ Visual Basic Statements and Expressions. 2-2 ........ Visual Basic Operators..... 2-3 ........ Visual Basic Functions...... 2-4 ........ A Closer Look at the Rnd Function........ 2-5 ........ Example 2-1: Savings Account........ 2-6 ........ Visual Basic Symbolic Constants... 2-10 ........ Defining Your Own Constants... 2-10 ........ Visual Basic Branching - If Statements. 2-11 ........ Key Trapping.... 2-12 ........ Example 2-2: Savings Account - Key Trapping.... 2-14 ........ Select Case - Another Way to Branch...... 2-16 ........ The GoTo Statement... 2-17 ........ Visual Basic Looping...... 2-17 ........ Visual Basic Counting.... 2-19 ........ Example 2-3: Savings Account - Decisions.. 2-20 ........ Exercise 2-1: Computing a Mean and Standard Deviation.... 2-23 ........ Exercise 2-2: Flash Card Addition Problems.... 2-28 3. Exploring the Visual Basic Toolbox ........ Review and Preview........ 3-1 ........ The Message Box........ 3-1 ........ Object Methods........ 3-3 ........ The Form Object........ 3-4 ........ Command Buttons........ 3-5 ........ Label Boxes........ 3-5 ........ Text Boxes........ 3-6 ........ Example 3-1: Password Validation.... 3-8 ........ Check Boxes...... 3-11 ........ Option Buttons...... 3-11 ........ Arrays...... 3-12 ........ Control Arrays...... 3-13 ........ Frames...... 3-14 ........ Example 3-2: Pizza Order...... 3-15 ........ List Boxes...... 3-20 ........ Combo Boxes...... 3-21 ........ Example 3-3: Flight Planner...... 3-23 ........ Exercise 3: Customer Database Input Screen...... 3-27 4.... More Exploration of the Visual Basic Toolbox ........ Review and Preview........ 4-1 ........ Display Layers........ 4-1 ........ Line Tool. 4-2 ........ Shape Tool. 4-3 ........ Horizontal and Vertical Scroll Bars 4-4 ........ Example 4-1: Temperature Conversion... 4-7 ........ Picture Boxes...... 4-12 ........ Image Boxes...... 4-14 ........ Quick Example: Picture and Image Boxes...... 4-14 ........ Drive List Box...... 4-15 ........ Directory List Box 4-15 ........ File List Box 4-16 ........ Synchronizing the Drive, Directory, and File List Boxes...... 4-17 ........ Example 4-2: Image Viewer...... 4-18 ........ Common Dialog Boxes...... 4-23 ........ Open Common Dialog Box 4-24 ........ Quick Example: The Open Dialog Box 4-25 ........ Save As Common Dialog Box 4-27 ........ Quick Example: The Save As Dialog Box 4-28 ........ Exercise 4: Student Database Input Screen...... 4-29 5. Creating a Stand-Alone Visual Basic Application ........ Review and Preview........ 5-1 ........ Designing an Application... 5-1 ........ Using General Sub Procedures in Applications. 5-2 ........ Creating a Code Module........ 5-5 ........ Using General Function Procedures in Applications. 5-5 ........ Quick Example: Temperature Conversion... 5-7 ........ Quick Example: Image Viewer (Optional)...... 5-8 ........ Adding Menus to an Application... 5-8 ........ Example 5-1: Note Editor...... 5-12 ........ Using Pop-Up Menus...... 5-16 ........ Assigning Icons to Forms...... 5-17 ........ Designing Your Own Icon with IconEdit...... 5-17 ........ Creating Visual Basic Executable Files...... 5-19 Example 5-2: Note Editor - Building an Executable and Attaching an Icon 5-21 ........ Using the Visual Basic Package & Deployment Wizard...... 5-22 ........ Example 5-3: Note Editor - Creating a Distribution Disk...... 5-25 ........ Exercise 5: US Capitals Quiz...... 5-27 6. Error-Handling, Debugging and File Input/Output ........ Review and Preview........ 6-1 ........ Error Types........ 6-1 ........ Run-Time Error Trapping and Handling...... 6-2 ........ General Error Handling Procedure..... 6-4 ........ Example 6-1: Simple Error Trapping...... 6-7 ........ Debugging Visual Basic Programs... 6-9 ........ Example 6-2: Debugging Example.... 6-10 ........ Using the Debugging Tools...... 6-11 ........ Debugging Strategies.. 6-16 ........ Sequential Files...... 6-17 ........ Sequential File Output (Variables) 6-17 ........ Quick Example: Writing Variables to Sequential Files...... 6-19 ........ Sequential File Input (Variables) 6-20 ........ Quick Example: Reading Variables from Sequential Files...... 6-21 ........ Writing and Reading Text Using Sequential Files...... 6-22 ........ Random Access Files...... 6-24 ........ User-Defined Variables.... 6-25 ........ Writing and Reading Random Access Files...... 6-26 ........ Using the Open and Save Common Dialog Boxes...... 6-29 ........ Example 6-3: Note Editor - Reading and Saving Text Files...... 6-31 ........ Exercise 6-1: Information Tracking...... 6-35 ........ Exercise 6-2: ‘Recent Files’ Menu Option...... 6-41 7. Graphics Techniques with Visual Basic ........ Review and Preview........ 7-1 ........ Graphics Methods........ 7-1 ........ Using Colors........ 7-8 ........ Mouse Events...... 7-10 ........ Example 7-1: Blackboard 7-13 ........ Drag and Drop Events...... 7-18 ........ Example 7-2: Letter Disposal..... 7-20 ........ Timer Tool and Delays...... 7-23 ........ Animation Techniques 7-24 ........ Quick Example: Simple Animation.. 7-25 ........ Quick Example: Animation with the Timer Tool...... 7-26 ........ Random Numbers (Revisited) and Games...... 7-28 ........ Randomly Sorting N Integers...... 7-29 ........ Example 7-3: One-Buttoned Bandit...... 7-30 ........ User-Defined Coordinates...... 7-35 ........ Simple Function Plotting (Line Charts)...... 7-36 ........ Simple Bar Charts...... 7-38 7. Graphics Techniques with Visual Basic (continued) ........ Example 7-4: Line Chart and Bar Chart Application. 7-40 ........ Exercise 7-1: Blackjack.... 7-43 ........ Exercise 7-2: Information Tracking Plotting...... 7-54 8. Database Access and Management ........ Review and Preview........ 8-1 ........ Database Structure and Terminology.. 8-1 ........ ADO Data Control........ 8-6 ........ Data Links 8-8 ........ Assigning Tables........ 8-9 ........ Bound Data Tools...... 8-10 ........ Example 8-1: Accessing the Books Database.... 8-12 ........ Creating a Virtual Table...... 8-14 ........ Quick Example: Forming a Virtual Table...... 8-14 ........ Finding Specific Records...... 8-16 ........ Example 8-2: ‘Rolodex’ Searching of the Books Database.... 8-18 ........ Data Manager..... 8-21 ........ Example 8-3: Phone Directory - Creating the Database.... 8-22 ........ Database Management...... 8-24 ........ Example 8-4: Phone Directory - Managing the Database.... 8-26 ........ Custom Data Aware Controls...... 8-31 ........ Creating a Data Report...... 8-33 ........ Example 8-5: Phone Directory - Building a Data Report...... 8-34 ........ Exercise 8: Home Inventory Database.... 8-39 9.. Dynamic Link Libraries and the Windows API ........ Review and Preview........ 9-1 ........ Dynamic Link Libraries (DLL)........ 9-1 ........ Accessing the Windows API With DLL. 9-2 Timing with DLL Calls 9-4 Quick Example 1: Using GetTickCount to Build a Stopwatch.... 9-5 Quick Example 2: Using GetTickCount to Implement a Delay........ 9-6 Drawing Ellipses........ 9-7 Quick Example 3: Drawing Ellipses........ 9-7 Drawing Lines........ 9-8 Quick Example 4: Drawing Lines........ 9-9 ........ Drawing Polygons.... 9-10 ........ Quick Example 5: Drawing Polygons.... 9-11 ........ Sounds with DLL Calls - Other Beeps...... 9-14 Quick Example 6: Adding Beeps to Message Box Displays...... 9-15 9. Dynamic Link Libraries and the Windows API (continued) More Elaborate Sounds...... 9-16 Quick Example 7: Playing WAV Files...... 9-16 Playing Sounds Quickly...... 9-17 Quick Example 8: Playing Sounds Quickly...... 9-18 ........ Fun With Graphics.... 9-19 Quick Example 9: Bouncing Ball With Sound!...... 9-20 ........ Flicker Free Animation.. 9-22 ........ Quick Example 10: Flicker Free Animation.. 9-23 ........ Quick Example 11: Horizontally Scrolling Background 9-24 ........ A Bit of Multimedia 9-26 ........ Quick Example 12: Multimedia Sound and Video...... 9-26 ........ Exercise 9: The Original Video Game - Pong!...... 9-27 10.. Other Visual Basic Topics ........ Review and Preview...... 10-1 ........ Custom Controls...... 10-1 ........ Masked Edit Control...... 10-3 ........ Chart Control...... 10-4 ........ Multimedia Control...... 10-6 ........ Rich Textbox Control...... 10-8 ........ Slider Control...... 10-9 ........ Tabbed Dialog Control.... 10-12 ........ UpDown Control.... 10-13 ........ Toolbar Control.... 10-14 ........ Using the Windows Clipboard. 10-17 ........ Printing with Visual Basic.... 10-18 ........ Multiple Form Visual Basic Applications.... 10-21 ........ Visual Basic Multiple Document Interface (MDI).... 10-25 ........ Creating a Help File.... 10-29 ........ Class Summary.. 10-36 ........ Exercise 10: The Ultimate Application.... 10-37 Appendix I: Visual Basic Symbolic Constants I-1 Appendix II: Common Dialog Box Constants II-1