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| Two types of variables are available...... |
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| A procedure is used to associate an identifier with a statement block...... |
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| A variable is defined by name and type...... |
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| The Variant type is used to:
store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ...
store named or indexed subelements.
store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists.
handle the NULL value in WLanguage.
store interactions with ActiveX objects and Automation programming.... |
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| The following operations are available for the following types of variables...... |
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| The Date type enables you to easily handle the dates... |
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| The DateTime type enables you to easily handle a date and a time... |
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| The Duration type enables you to easily handle the intervals of dates and times... |
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| A structure can be allocated dynamically... |
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| A dynamic array is an "advanced" type of array... |
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| A composite variable contains different types of elements (members)... |
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| A global procedure can be used in all the processes or events of the project.... |
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| The different types of variables are...... |
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| The END: label is used to define a code that will be systematically run at the end of process execution. |
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| The FOR EACH statement is used to run different types of HFSQL loops... |
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| The keyword BREAK can correspond:
to the BREAK statement: it allows you to exit a set of instructions and run the rest of the current process.
to the BREAK label: it allows you to declare a section of code in a loop. This code will be run when exitingfrom the loop with a "BREAK" statement.... |
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| A class contains the description of a data structure (members) and the processes (methods) that handle this structure.... |
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| The hierarchical organization in class and sub-class has allowed to create the notion of inheritance...... |
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| A .NET object can be dynamically associated with a .NET class, we talk of dynamic instantiation of object.... |
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| List of HFSQL properties... |
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| The Component property configures the different components of a composite key. |
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