Data Collections
Data Structures
This section contains the technical details on working with various data structures (arrays, linked lists, etc.) and description of the relevant components of the MQL5 Standard Library.
Using classes of data structures will save time when creating custom data stores of various formats (including composite data structures).
MQL5 Standard Library (in terms of data sets) is placed in the working directory of the terminal in the Include\Arrays folder.
Data Arrays
Use of classes of dynamic data arrays will save time when creating a custom data stores of various formats (including multidimensional arrays).
MQL5 Standard Library (in terms of arrays of data) is located in the working directory of the terminal in the Include\Arrays folder.
| Class | Description |
|---|---|
| CArray | Base class of dynamic data array |
| CArrayChar | Dynamic array of char or uchar variables |
| CArrayShort | Dynamic array of short or ushort variables |
| CArrayInt | Dynamic array of int or uint variables |
| CArrayLong | Dynamic array of long or ulong variables |
| CArrayFloat | Dynamic array of float variables |
| CArrayDouble | Dynamic array of double variables |
| CArrayString | Dynamic array of string variables |
| CArrayObj | Dynamic array of CObject pointers |
| CList | Provides the ability to work with a list of instances of CObject class and its descendants |
| CTreeNode | Provides the ability to work with nodes of the CTree binary tree |
| CTree | Provides the ability to work with the binary tree of the CTreeNode class instances and its descendants |
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