How do you pass an array to a sub in VBA?
It is possible to pass an array into a subroutine or function. Arrays are always passed in by reference (ByRef). This means that any changes to the array will be passed back to the calling routine. You can pass both dynamic and fixed arrays to subroutines and functions.
How do you pass an array to a function in VBA?
Arrays can be passed to proceedures by putting () after the name of the array variable. Arrays must be passed by reference. If no passing mechanism is specified, e.g. myFunction(arr()) , then VBA will assume ByRef by default, however it is good coding practice to make it explicit.
How do you append to an array in VBA?
VBA does not allow you to append items to an array. The standard method to work around this is to re-dimension to array to the required size and then add the required items. There are a number of problems with this method: Performance – The array is copied into a new array each time it is re-dimensioned.
How do I define an array size in VBA?
The ReDim statement is used to size or resize a dynamic array that has already been formally declared by using a Private, Public, or Dim statement with empty parentheses (without dimension subscripts). Use the ReDim statement repeatedly to change the number of elements and dimensions in an array.
Can a VBA function return an array?
A function in a normal module (but not a Class module) can return an array by putting () after the data type. Note that what is returned is actually a copy of the array inside the function, not a reference. So if the function returns the contents of a Static array its data can’t be changed by the calling procedure.
What is the use of ReDim in VBA?
The ReDim statement is used to size or resize a dynamic array that has already been formally declared by using a Private, Public, or Dim statement with empty parentheses (without dimension subscripts).
What are the different types of arrays in VBA?
There are 3 types of arrays in VBA, One Dimension, Two Dimensions and Multi Dimensions. One dimension uses one index, such single category of age group, Two Dimension uses 2 indexes such as people and their ages, and Multi Dimension array has more than 2 indexes such as surface height at different levels.
How to assign the value of array in Excel VBA?
An array will count the values from zero, not from 1. Array (0, 0) means first-row first column. This excel macro file needs to be saved as a macro-enabled workbook. In case of Dynamic array, we need to assign the value of array by using REDIM function in VBA. This has been a guide to VBA Arrays.
How to count the values of an array in Excel VBA?
An array will count the values from zero, not from 1. Array (0, 0) means first-row first column. This excel macro file needs to be saved as a macro-enabled workbook. In the case of a Dynamic array, we need to assign the value of the array by using the REDIM function in VBA. This has been a guide to VBA Arrays.
What is a dynamic array in Excel VBA?
Array (0, 0) means first-row first column. This excel macro file needs to be saved as a macro-enabled workbook. In the case of a Dynamic array, we need to assign the value of the array by using the REDIM function in VBA. This has been a guide to VBA Arrays.