OpenOffice.org Macros Explained - LibreOffice-NA.US

3.8.7. Choose.................................................................................................................74
3.8.8. Select Case...........................................................................................................75
Case expressions........................................................................................................75
If Case statements are easy, why are they frequently incorrect...............................76
Writing correct Case expressions..............................................................................77
3.8.9. While ... Wend.....................................................................................................79
3.8.10. Do ... Loop.........................................................................................................79
Exit the Do Loop.......................................................................................................80
Which Do Loop should I use...................................................................................80
3.8.11. For ... Next.........................................................................................................81
3.8.12. Exit Sub and Exit Function................................................................................83
3.9. Error handling using On Error....................................................................................83
3.9.1. CVErr..................................................................................................................84
3.9.2. Ignore errors with On Error Resume Next..........................................................85
3.9.3. Clear an error handler with On Error GoTo 0.....................................................86
3.9.4. Specify your own error handler with On Error GoTo Label...............................86
3.9.5. Error handlers — why use them........................................................................88
3.10. Conclusion.................................................................................................................90
4. Numerical Routines............................................................................................................91
4.1. Trigonometric functions..............................................................................................92
4.2. Rounding errors and precision....................................................................................94
4.3. Mathematical functions...............................................................................................97
4.4. Numeric conversions...................................................................................................98
4.5. Number to string conversions...................................................................................104
4.6. Simple formatting......................................................................................................104
4.7. Other number bases, hexadecimal, octal, and binary................................................105
4.8. Random numbers .....................................................................................................108
4.9. Conclusion.................................................................................................................109
5. Array Routines..................................................................................................................110
5.1. Array() quickly builds a one­dimensional array with data........................................111
5.2. DimArray creates empty multi­dimensional arrays..................................................113
5.3. Change the dimension of an array.............................................................................114
5.4. Array to String and back again..................................................................................115
5.5. Array inspection functions........................................................................................116
5.6. Conclusion.................................................................................................................119
6. Date Routines....................................................................................................................120
6.1. Retrieve the current date and time............................................................................121
6.2. Dates, numbers, and strings......................................................................................121
6.3. Locale formatted dates..............................................................................................123
6.4. ISO 8601 dates..........................................................................................................123
6.5. Problems with dates..................................................................................................124
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