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VBA arrays are essentially collections of data, where each piece of data is stored in a single location in the computer’s memory. These arrays can be used to store anything from simple lists of numbers or text, to more complex data structures. When working with VBA, you may need to manipulate arrays in various ways, such as copying, returning or passing them to other procedures.
To copy an array in VBA, you need to create a new array that is the same size as the original, and then copy each element from the original array into the new one. This is typically done using a loop, where each iteration of the loop copies a single element from the original array to the corresponding location in the new array.
To return an array from a VBA procedure, you simply declare the procedure as returning an array type. This means that when the procedure is called, it will return an array to the calling code. This can be useful when you want to pass the results of a calculation to another procedure, or when you need to return multiple values from a single procedure.
To pass an array to a VBA procedure, you simply provide the array as an argument when calling the procedure. The procedure then uses the array for its own purposes, such as processing its elements or modifying them in some way.
In conclusion, arrays are a powerful tool in VBA that allow you to store and manipulate large amounts of data. By understanding how to copy, return and pass arrays, you will be able to create more efficient and effective VBA procedures that can handle complex data structures.
VBA for Beginners – Chapter 19 : Copying, returning and passing arrays
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