程序设计基础答案.docVIP

程序设计基础答案 Problem sets Chapter 1 the Visual Basic 6.0 programming overview One, the question Square root of 2. The same kind of controls (like two labels) overlap, and when designed, you can set the before and after properties? 5. 4. ) x 6.) 7. X 8. Tick 9.) 10. X 11. Tick 12. Square root Its the square root of the square root of the square root of the square root of 18. 2 Choice question A. b. b. c. c. d. c. d. d. 3, fill in the blanks Object, event 2. Properties, methods, events 3. Control, Screen (Screen) Object 4. 5. The Left and Top 6. Attribute, object name ? property name = expression Grid 8. f orml Load or Initialize/Resize or Activate (the sequenee of automatic execution is also listed) 10. Activate and Deactivate Four, programming problems Program 1. The interface design is shown in figure 10~l, 10~2, and table 10T. Table 10-1 instance 2 main property Settings for each control controls Properties (attribute values) Properties (attribute values) Label controls 1 The Name (Label1) Caption (“ my first VB program “) Label controls 2 The Name (Label2) Caption (“ please enter your name “) FontUnderLine (True) Fontltalic (True) A command button 1 The Name (Command1) Caption (“ confirmation (o) “) A command button 2 The Name (Coininand2) The Caption (“ end of x “) The process design is as follows: Private sub Form_Click () Command2. enabled 二 False Een Sub Private Sub CommandlClick () Labe12. Visible 二 False Label1. Caption 二 Textl? Text + 〃: welcome to use + Label1 Text1. Visible 二 False Commandl. enabled 二 False: command2. enabled 二 True End Sub Private Sub Command2_Click () The End End Sub Program 2. The interface design is slightly, the process design is as follows: The Private Sub Commandl_Click () font gets larger Form1. FontSize 二 form1. fontsize + 3 Cis: Print welcome to VB〃 End Sub The Private Sub Command2_Click () font gets smaller Form1. FontSize 二 Form1. FontSize 一 3 Cis: Print welcome to VB〃 End Sub The Private Sub Command3 Click () font is bold F