question about replacement for image control array upgrading from VB6

I am upgrading my program from VB6 to VB2010. In VB6 I am using about 200 pictureboxes loaded at runtime starting with one of each different picture

Private Sub Form_Load()
Image1(0).Top = 2340
Image1(0).Left = Screen.Width - 1300
Image1(0).ZOrder 0
For i = 1 To 19
Load Image1(i)
Image1(i).Top = 2340
Image1(i).Left = Screen.Width - 1300
Image1(i).Visible = True
Image1(i).ZOrder 0
Next
end sub

I search through all the pictureboxes then snap the picturebox the user dropped to a picturebox that is close by.

Private Sub CabinetWithDrawers_MouseUp(Index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)
For i = Image1().LBound To Image1().UBound
If Image2(Index).Left >= Image1(i).Left + 623 And Image2(Index).Left <= Image1(i).Left + 1567 _
And Image2(Index).Top = Image1(i).Top Then
'snap to the right
Image2(Index).Left = Image1(i).Left + 1202
Exit For
Next
end sub

What can i use instead of control arrays in VB2010 to get the same functionality as in VB6, or does VB2010 use control arrays?

There's no design time support for control arrays in VB.NET because it's not needed. You can certainly create an array of controls in code though, just as you create any array. You can also index the form's Controls collection by ordinal or name, so you can use a loop to get all similarly named and/or typed controls. You can also use a LINQ query to get all the controls that match a certain condition and then loop through those.

Quote:

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Originally Posted by jmcilhinney

There's no design time support for control arrays in VB.NET because it's not needed. You can certainly create an array of controls in code though, just as you create any array. You can also index the form's Controls collection by ordinal or name, so you can use a loop to get all similarly named and/or typed controls. You can also use a LINQ query to get all the controls that match a certain condition and then loop through those.

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I'm creating indexed CabinetWithDrawers at runtime in VB6 like this, how do i in VS2010?

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
CabinetWithDrawers(0).Top = 4455
CabinetWithDrawers(0).Left = Screen.Width - 2100
CabinetWithDrawers(0).ZOrder(0)
For i = 21 To 39
Load(CabinetWithDrawers(i))
CabinetWithDrawers(i).Top = 4455
CabinetWithDrawers(i).Left = Screen.Width - 2100
CabinetWithDrawers(i).Visible = True
CabinetWithDrawers(i).ZOrder(0)
Next

CabWithDoorsLabel.Top = 1940
CabWithDoorsLabel.Left = Screen.Width - 2100
CabWithDoors(0).Top = 2340
CabWithDoors(0).Left = Screen.Width - 2100 '1500
CabWithDoors(0).ZOrder 0
For i = 1 To 19
Load CabWithDoors(i)
CabWithDoors(i).Top = 2340
CabWithDoors(i).Left = Screen.Width - 2100 '1500
CabWithDoors(i).Visible = True
CabWithDoors(i).ZOrder 0
Next

End Sub

This works in VS2010 but it won't allow me to identify which CabinetWithDrawers(index) was clicked
Private Sub CabinetWithDrawers_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles CabinetWithDrawers.MouseDown
StoredX = e.X
StoredY = e.Y
End Sub

This works in VS2010 but it won't allow me to identify which CabinetWithDrawers(index) is moving
Private Sub CabinetWithDrawers_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles CabinetWithDrawers.MouseMove
If e.Button = MouseButtons.Left Then
CabinetWithDrawers.Top = CabinetWithDrawers.Top - (StoredY - e.Y)
CabinetWithDrawers.Left = CabinetWithDrawers.Left - (StoredX - e.X)
End If
End Sub

In VB6: This is where i loop through all the CabWithDoors(i) to find one to snap to if close enough, how do i do this in VS2010?
Private Sub CabinetWithDrawers_MouseUp(Index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)

'snap the sides together with CabWithDoors
For i = CabWithDoors().LBound To CabWithDoors().UBound
'loop if cabinet is in pile
If CabWithDoors(i).Left > (Image1.Width + Image1.Left) Or i = Index Then
GoTo backtop2
End If
'if close to the right side and the tops are at the same height
If CabinetWithDrawers(Index).Left >= CabWithDoors(i).Left + 623 And CabinetWithDrawers(Index).Left <= CabWithDoors(i).Left + 1567 _
And CabinetWithDrawers(Index).Top = CabWithDoors(i).Top Then
'snap to the right
CabinetWithDrawers(Index).Left = CabWithDoors(i).Left + 1202
Exit For
'if close to the left side and the tops are at the same height
ElseIf CabinetWithDrawers(Index).Left >= CabWithDoors(i).Left - 1567 And CabinetWithDrawers(Index).Left <= CabWithDoors(i).Left + 622 _
And CabinetWithDrawers(Index).Top = CabWithDoors(i).Top Then
'then snap to the left
CabinetWithDrawers(Index).Left = CabWithDoors(i).Left - 1202
Exit For
'if the tops are at different heights then
ElseIf CabinetWithDrawers(Index).Left >= CabWithDoors(i).Left - 1567 And CabinetWithDrawers(Index).Left <= CabWithDoors(i).Left - 623 _
And CabinetWithDrawers(Index).Top <> CabWithDoors(i).Top Then
'snap to the left
CabinetWithDrawers(Index).Left = CabWithDoors(i).Left - 1202
Exit For
ElseIf CabinetWithDrawers(Index).Left >= CabWithDoors(i).Left - 622 And CabinetWithDrawers(Index).Left <= CabWithDoors(i).Left + 622 _
And CabinetWithDrawers(Index).Top <> CabWithDoors(i).Top Then
'snap to the middle
CabinetWithDrawers(Index).Left = CabWithDoors(i).Left
Exit For
ElseIf CabinetWithDrawers(Index).Left >= CabWithDoors(i).Left + 623 And CabinetWithDrawers(Index).Left <= CabWithDoors(i).Left + 1567 _
And CabinetWithDrawers(Index).Top <> CabWithDoors(i).Top Then
'snap to the right
CabinetWithDrawers(Index).Left = CabWithDoors(i).Left + 1202
Exit For
End If
backtop2:
Next

I'm afraid all that code is too hard to read without CODE or VBCode tags for formatting. It's not really needed anyway. There's an absolute ton of information out there on what to do in VB.NET where you would have used a control array in VB6.

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