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Chapter 6: Trapping Errors and Squashing Bugs . . . . . . . . . . . . . . . . .133
Knowing the Enemy .....................................................................................134
Understanding syntax errors ............................................................134
Understanding compile errors..........................................................135
Understanding run-time errors.........................................................136
Understanding semantic errors........................................................137
Prevention Is Better than a Cure ................................................................138
Avoiding run-time errors ...................................................................139
Recovering from an error ..................................................................140
Understanding error handlers ..........................................................143
Writing your own error-handling code ............................................144
Reporting errors .................................................................................146
Saving and Restoring Code .........................................................................147
Exporting a module from a program................................................147
Importing a module in a program ....................................................147
Time for a Bug Hunt .....................................................................................148
Executing a break ...............................................................................148
Taking individual steps ......................................................................149
Viewing the data tips .........................................................................149
Using the Immediate window to your advantage...........................150
Using the Locals Window ............................................................................151
Using the Watches Window ........................................................................152
Adding a new watch expression .......................................................153
Using the Add Watch window ...........................................................153