JCL Help:TDynArray
JCL Help: TDynArray
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Summary
A dynamic array of some type.
Description
TDynArray represents a dynamic array. Depending on the compiler version this is an actual dynamic array or a simulated dynamic array. The tables below show the declaration of the dynamic array types. When the compiler natively supports dynamic arrays you can work with types just as if they were declared using the array of Type syntax. If the compiler doesn't support dynamic arrays you must use the various DynArrayXxx routines. Before you can use a TDynArray you must initialize it using DynArrayInitialize. To query or change the length of the array you use DynArrayLength and DynArraySetLength respectively. To reference an element of the array you use MyArray^[Index] where Index is the index of the element between 0 and the length of the array minus 1. When you are done with the array you must release it's memory by calling DynArrayFinalize. Compiler supports dynamic arrays (Note that routines that take a TDynArray as a parameter need an actual TDynArray so you can't declare the parameter using the "array of Type" syntax):
| Type | Declaration |
| TDynByteArray | array of Byte |
| TDynShortArray | array of Shortint |
| TDynSmallintArray | array of Smallint |
| TDynWordArray | array of Word |
| TDynIntegerArray | array of Integer |
| TDynLongintArray | array of Longint |
| TDynCardinalArray | array of Cardinal |
| TDynInt64Array | array of Int64 |
| TDynSizeIntArray | array of SizeInt |
| TDynExtendedArray | array of Extended |
| TDynDoubleArray | array of Double |
| TDynSingleArray | array of Single |
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Marcel van Brakel
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