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kjcdude

_ArrayDelete Set Total Elements

5 posts in this topic

#1 ·  Posted (edited)

As everyone is aware the standard array id that contains the total array elements is 0.

My problem is when i modify an array using array delete, it doesn't update the $array[0] number to qual the total elements in the array.

Does anyone know a quick way to find the max elements and quickly update the total element number.

Thanks

Edited by kjcdude

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I found that _ArrayDelete will return the new size of the array, but I can't figure out a way to modify the first element of the array.

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As everyone is aware the standard array id that contains the total array elements is 0.

That is not true when you are using a zero-based array such as is returned from StringRegExp(). Better to use Ubound()

My problem is when i modify an array using array delete, it doesn't update the $array[0] number to qual the total elements in the array.

Does anyone know a quick way to find the max elements and quickly update the total element number.

Thanks

You can't perform an operation on an array when you are looping through it because the For/To already contains the defined number of elements and that won't change until the loop is finished.

Example that won't work

Local $array[5] = [10, 20, 30, 40]
MsgBox(0, "", Ubound($array))
For $i = 1 To Ubound($array) -1
    If $array[$i] = 40 Then
        _ArrayDelete($array, $i)
        MsgBox(0, "", Ubound($array))
Next

Example that will work

Local $array[5] = [10, 20, 30, 40]
MsgBox(0, "", Ubound($array))
$aHold = $array
For $i = 1 To Ubound($aHold) -1
    If $aHold[$i] = 40 Then
        _ArrayDelete($array, $i)
        MsgBox(0, "", Ubound($array))
Next

George

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Just set it manually. $array[0] = ... Why even store the value there? Just get it when needed with Ubound.

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Just set it manually. $array[0] = ... Why even store the value there? Just get it when needed with Ubound.

Dam, i'm an idiot. That was way to obvious.

Sorry for wasting everyone's time.

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