Questions tagged [byval]

66 questions
0
votes
1 answer

use caption of pressed button from main form in query of other form

My problem is: Main form has 9 command buttons and continuous subform. Click on some button open other form with text box for entering quantity and two command buttons. When click on the first button I want to use caption of pressed button from…
nesomis
  • 29
  • 7
-1
votes
1 answer

ByVal in VBA Events

I am trying to gain some ground on VBA I know this is pretty basic but in a Worksheet Event such as Change Private Sub Worksheet_Change(ByVal Target as Range) Target.Font.ColorIndex = 5 End Sub I 've searched what ByVal means in this link And…
ExoticBirdsMerchant
  • 1,466
  • 8
  • 28
  • 53
-1
votes
1 answer

using ByRef over ByVal to hit a database

I'm using an ajax call to hit a database to load a drop down. Now, this is something we're going to be doing a lot where I work now that someone's figured out how to do it. My supervisor has asked me to try and make my ajax call one that I can…
Kendra
  • 769
  • 1
  • 20
  • 34
-2
votes
2 answers

Hi ... Ever used byval and byref in arrays in VB??... I passed an array byval then byref... in both, ARRAY changes are brought out of procedure..why?

pls copy paste program below and try it out... '************ Imports System Module Program Sub inputproc(ByRef pstudarr() As String) Dim count As Integer For count = 0 To 3 Console.WriteLine("Input name " & count) pstudarr(count) =…
maryline
  • 1
  • 1
-2
votes
2 answers

c++ function call by value not work

I have a problem with this code: The problem is when I see the image original, is modified by "borrarFondo()" but this function is called from "segmentarHoja" and here entry img by value, but img modifies. void borrarFondo(Mat& img){ img = ~img; …
-5
votes
1 answer

C++ Programming ( advantages of by ref & by val) query? / methods of editing struct other than byRef

I am going over a mock exam in revision for my test, and one question on the paper confuses me. Q.)An application is required to pass a structure to a function, which will modify the contents of the structure such that on return from the function…
RNewell122
  • 128
  • 10
1 2 3 4
5