can VB.net support array of controls?

[Gpooh]

I want to use an array of the listbox control in VB.net , I use the code below:

dim controltmp() as new listbox()

But I have no idea of how to catch events such as click and double click of the controls in the array!

can anybody help?

Thanks in advance

[Edneeis]

If you dim them as New listboxes they wont be added to the form or anything. Its easier to just add as many as you need on the form at designtime then at runtime put them into an array. Or if you only need for them to have the same event handler than there is no need for the array. Look up the Handles or AddHandler keyword for an explaination of handling events.

'adding existing controls to an array
dim ctrl() as Listbox={Listbox1,Listbox2,ListBox3,Listbox4}
 
'The Handles keyword at the end of the event handler method determines what handles the event
Private Sub Listbox_Click(sender as object, e as eventargs) [b]Handles[/b] Listbox1.Click
 
'just add more controls to the end of that statement
Private Sub Listbox_Click(sender as object, e as eventargs) Handles Listbox1.Click,Listbox2.Click,ListBox3.Click,ListBox4.Click

[Tal McMahon]

You can make an array of controls.

I have used this whenever the data was going to determine the control to show. for example if the data is the answer to a true false question I show radio buttons. if it is a nemeric I show a text box.

'first set an array as an object.

Public ctr_exam(10, 1) As Object

dim row as integer
dim column as integer
'pretend dataset rows
For row = 1 to 10

'then you can redim as you need to grow. use the
'Preserve keyword so the array remembers what was already loaded
ReDim Preserve ctr_exam(10, CurrentRow)
'pretend dataset columns
for column = 1 to 3
'pretend data
if row+column > 7 then
' if the data is small put in a radio button
'i customized the radio button control but you will get the idea
'Set this location of the array as a Radio Button
ctr_exam(Column, Row) = New Rdo_Button.DynamicRadioButtonPair()

'fill the properties of the button

With ctr_exam(CurrentColumn, CurrentRow)
.fk_Exam = myfk_Exam
.Tag = dreader(0)
.Size = New System.Drawing.Size(275, 35)
.Name = "ExamLabel" & CurrentRow * CurrentColumn
.PassWord = passing
.FailWord() = failing
.Location = New System.Drawing.Point(left, ((CurrentRow) * 36))
.fk_ApplicantPositionEvent = dreader(0)
.exam = exam
left += 278
If MyResult = 1 Then
.PassCheck = True
.Color = Color.LightSlateGray

ElseIf MyResult = 0 Then
.FailCheck = True
.Color = Color.LightSlateGray
End If
.Active = True
End With
'now for the other controls
else
' again a custom text box but a plain one would work.
ctr_exam(CurrentColumn, CurrentRow) = New DynamicTextBox()

With ctr_exam(CurrentColumn, CurrentRow)
.fk_Exam = myfk_Exam
.Tag = dreader(0)
.Size = New System.Drawing.Size(100, 35)
.Name = "ExamLabel" & CurrentRow * CurrentColumn
.Location = New System.Drawing.Point(left, 8 + ((CurrentRow) * 36))
left += 127
.fk_ApplicantPositionEvent = dreader(0)

If Not IsDBNull(MyResult) AndAlso MyResult < 999999 Then
.text = MyResult
.backColor = Color.LightSlateGray
End If
End With
'add it to the panel


End If
Next

'add Contorl to the panel
Me.Panel2.Controls.AddRange(New System.Windows.Forms.Control() {ctr_exam(CurrentColumn, CurrentRow), MyNameLabel(CurrentRow)})



next




i hope this helps a bit

tal mcmahon