the following code snippet implements an "auto complete" functionality
for combo boxes. it works fine on all the developer's computers but
only selects the first item in the combo box on non-developer's
computers. what kind of workstation configuration difference could
cause this kind of problem? i'm at a lost...
Private Sub cboCountry_KeyPress(ByVal sender As System.Object, ByVal
keyPressArgs As System.Windows.Forms.KeyPressEventArgs) Handles
cboCountry.KeyPress
Dim keyCode As Integer
Dim index As Integer
Dim searchString As String
keyCode = Convert.ToInt32(keyPressArgs.KeyChar)
Select Case(keyCode)
Case Keys.PageDown
<snip>
' Scroll the scrollable panel up
Case Keys.PageUp
<snip>
Case Keys.Down, Keys.Up, Keys.Back, Keys.Right, Keys.Left
<snip>
Case Else
searchString = cboCountry.Text
index = cboCountry.FindString(searchString)
If (index >= 0) Then
cboCountry.SelectedIndex = index
cboCountry.SelectionStart = searchString.Length
cboCountry.SelectionLength =
cboCountry.Text.Length - cbo.SelectionStart
previousIndex = index
Else
cboCountry.SelectedIndex = previousIndex
cboCountry.SelectionStart =
searchString.Length - 1
cboCountry.SelectionLength =
cboCountry.Text.Length - cboCountry.SelectionStart
End If
keyPressArgs.Handled = True
End Select
End Sub ' cbo_KeyPress() 3 1081
ToddT <tu********@maritzSPAM.com>'s wild thoughts were
released on Wed, 13 Oct 2004 08:05:33 -0500 bearing the
following fruit: the following code snippet implements an "auto complete" functionality for combo boxes. it works fine on all the developer's computers but only selects the first item in the combo box on non-developer's computers. what kind of workstation configuration difference could cause this kind of problem? i'm at a lost...
It doesn't work here. When the keypress event fires the
combo test is empty, therefore it selects the first item in
the list because previous index = 0. If I move the code to
the keyup event the correct entry is selected.
J Private Sub cboCountry_KeyPress(ByVal sender As System.Object, ByVal keyPressArgs As System.Windows.Forms.KeyPressEventArgs) Handles cboCountry.KeyPress
Dim keyCode As Integer Dim index As Integer Dim searchString As String
keyCode = Convert.ToInt32(keyPressArgs.KeyChar)
Select Case(keyCode) Case Keys.PageDown <snip>
' Scroll the scrollable panel up Case Keys.PageUp <snip>
Case Keys.Down, Keys.Up, Keys.Back, Keys.Right, Keys.Left <snip>
Case Else searchString = cboCountry.Text index = cboCountry.FindString(searchString)
If (index >= 0) Then cboCountry.SelectedIndex = index cboCountry.SelectionStart = searchString.Length cboCountry.SelectionLength = cboCountry.Text.Length - cbo.SelectionStart
previousIndex = index Else cboCountry.SelectedIndex = previousIndex cboCountry.SelectionStart = searchString.Length - 1 cboCountry.SelectionLength = cboCountry.Text.Length - cboCountry.SelectionStart End If
keyPressArgs.Handled = True End Select End Sub ' cbo_KeyPress()
Jan Hyde (VB MVP)
--
Tennis: five plus five (Kirk Miller)
[Abolish the TV License - http://www.tvlicensing.biz/]
it doesn't make sense that it works fine as coded for all the
developers here. i will try moving the code to the key up event
handler and see if that works. thx jan.
On Wed, 13 Oct 2004 15:44:06 +0100, Jan Hyde
<St***********@REMOVE.ME.uboot.com> wrote: ToddT <tu********@maritzSPAM.com>'s wild thoughts were released on Wed, 13 Oct 2004 08:05:33 -0500 bearing the following fruit:
the following code snippet implements an "auto complete" functionality for combo boxes. it works fine on all the developer's computers but only selects the first item in the combo box on non-developer's computers. what kind of workstation configuration difference could cause this kind of problem? i'm at a lost...
It doesn't work here. When the keypress event fires the combo test is empty, therefore it selects the first item in the list because previous index = 0. If I move the code to the keyup event the correct entry is selected.
J
Private Sub cboCountry_KeyPress(ByVal sender As System.Object, ByVal keyPressArgs As System.Windows.Forms.KeyPressEventArgs) Handles cboCountry.KeyPress
Dim keyCode As Integer Dim index As Integer Dim searchString As String
keyCode = Convert.ToInt32(keyPressArgs.KeyChar)
Select Case(keyCode) Case Keys.PageDown <snip>
' Scroll the scrollable panel up Case Keys.PageUp <snip>
Case Keys.Down, Keys.Up, Keys.Back, Keys.Right, Keys.Left <snip>
Case Else searchString = cboCountry.Text index = cboCountry.FindString(searchString)
If (index >= 0) Then cboCountry.SelectedIndex = index cboCountry.SelectionStart = searchString.Length cboCountry.SelectionLength = cboCountry.Text.Length - cbo.SelectionStart
previousIndex = index Else cboCountry.SelectedIndex = previousIndex cboCountry.SelectionStart = searchString.Length - 1 cboCountry.SelectionLength = cboCountry.Text.Length - cboCountry.SelectionStart End If
keyPressArgs.Handled = True End Select End Sub ' cbo_KeyPress()
Jan Hyde (VB MVP)
after moving the code to the key up event handler, it now works for
everyone. i wonder why...
thx for the suggestion jan.
On Wed, 13 Oct 2004 15:44:06 +0100, Jan Hyde
<St***********@REMOVE.ME.uboot.com> wrote: ToddT <tu********@maritzSPAM.com>'s wild thoughts were released on Wed, 13 Oct 2004 08:05:33 -0500 bearing the following fruit:
the following code snippet implements an "auto complete" functionality for combo boxes. it works fine on all the developer's computers but only selects the first item in the combo box on non-developer's computers. what kind of workstation configuration difference could cause this kind of problem? i'm at a lost...
It doesn't work here. When the keypress event fires the combo test is empty, therefore it selects the first item in the list because previous index = 0. If I move the code to the keyup event the correct entry is selected.
J
Private Sub cboCountry_KeyPress(ByVal sender As System.Object, ByVal keyPressArgs As System.Windows.Forms.KeyPressEventArgs) Handles cboCountry.KeyPress
Dim keyCode As Integer Dim index As Integer Dim searchString As String
keyCode = Convert.ToInt32(keyPressArgs.KeyChar)
Select Case(keyCode) Case Keys.PageDown <snip>
' Scroll the scrollable panel up Case Keys.PageUp <snip>
Case Keys.Down, Keys.Up, Keys.Back, Keys.Right, Keys.Left <snip>
Case Else searchString = cboCountry.Text index = cboCountry.FindString(searchString)
If (index >= 0) Then cboCountry.SelectedIndex = index cboCountry.SelectionStart = searchString.Length cboCountry.SelectionLength = cboCountry.Text.Length - cbo.SelectionStart
previousIndex = index Else cboCountry.SelectedIndex = previousIndex cboCountry.SelectionStart = searchString.Length - 1 cboCountry.SelectionLength = cboCountry.Text.Length - cboCountry.SelectionStart End If
keyPressArgs.Handled = True End Select End Sub ' cbo_KeyPress()
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