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Disable the search feature of a ComboBoxpulldown the list from the combox box it tries to make a selection. But I don't want this feature. How do I prevent it. Why is the first item of the list selected as soon as the pulldown drops ? Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim i As Integer For i = 0 To 5 Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, "00")) Next Me.ComboBox1.Text = "A" End Sub sid wrote:
Show quoteHide quote > Using the following code snip in VB.net, When I start the app and Me.ComboBox1.SelectedIndex = -1 -- to deselect combobox you > pulldown the list from the combox box it tries to make a selection. > But I don't want this feature. How do I prevent it. > Why is the first item of the list selected as soon as the pulldown > drops ? > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > System.EventArgs) Handles MyBase.Load > > Dim i As Integer > > For i = 0 To 5 > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > "00")) > Next > Me.ComboBox1.Text = "A" may have to execute the deselect statement twice. Show quoteHide quote > > End Sub
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On Jun 15, 4:37 pm, "Mr. Arnold" <Arn***@Arnold.com> wrote: I have already tried this without any success.> sid wrote: > > Using the following code snip in VB.net, When I start the app and > > pulldown the list from the combox box it tries to make a selection. > > But I don't want this feature. How do I prevent it. > > Why is the first item of the list selected as soon as the pulldown > > drops ? > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > > System.EventArgs) Handles MyBase.Load > > > Dim i As Integer > > > For i = 0 To 5 > > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > > "00")) > > Next > > Me.ComboBox1.Text = "A" > > Me.ComboBox1.SelectedIndex = -1 -- to deselect combobox you > may have to execute the deselect statement twice. > > > > > > > End Sub- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - The autoselection is made when the list is opened, then the text field is populated with whatever selection is the closest match. I want to give the user the option to browse the selections with out actually choosing one, and then they can choose or manually type an entry in the text field. It seems that you have set at design time the autocomplete property.
Show quoteHide quote "sid" <sidwe***@alexian.net> wrote in message news:0c2d4abf-5f2c-4bc9-ab84-eccf8bd81b2a@c10g2000yqi.googlegroups.com... > Using the following code snip in VB.net, When I start the app and > pulldown the list from the combox box it tries to make a selection. > But I don't want this feature. How do I prevent it. > Why is the first item of the list selected as soon as the pulldown > drops ? > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > System.EventArgs) Handles MyBase.Load > > Dim i As Integer > > For i = 0 To 5 > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > "00")) > Next > Me.ComboBox1.Text = "A" > > End Sub
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On Jun 16, 1:52 am, "Cor Ligthert[MVP]" <Notmyfirstn***@planet.nl> No, I set this property to none at desing time and in the code afterwrote: > It seems that you have set at design time the autocomplete property. > > "sid" <sidwe***@alexian.net> wrote in message > > news:0c2d4abf-5f2c-4bc9-ab84-eccf8bd81b2a@c10g2000yqi.googlegroups.com... > > > > > Using the following code snip in VB.net, When I start the app and > > pulldown the list from the combox box it tries to make a selection. > > But I don't want this feature. How do I prevent it. > > Why is the first item of the list selected as soon as the pulldown > > drops ? > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > > System.EventArgs) Handles MyBase.Load > > > Dim i As Integer > > > For i = 0 To 5 > > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > > "00")) > > Next > > Me.ComboBox1.Text = "A" > > > End Sub- Hide quoted text - > > - Show quoted text - the app started. Private Sub form1_Load(ByVal sender ... combobox1.AutocompleteMode = AutoCompleteMode.None On Jun 15, 9:52 pm, sid <sidwe***@alexian.net> wrote:
Show quoteHide quote > Using the following code snip in VB.net, When I start the app and Probably your combobox's "DropDownStyle" property was NOT set to> pulldown the list from the combox box it tries to make a selection. > But I don't want this feature. How do I prevent it. > Why is the first item of the list selected as soon as the pulldown > drops ? > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > System.EventArgs) Handles MyBase.Load > > Dim i As Integer > > For i = 0 To 5 > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > "00")) > Next > Me.ComboBox1.Text = "A" > > End Sub "DropDownList" (Maybe it's "DropDown"). Based on my experiment, the behaviour doesn't occur if it is a "DropDownList" combobox (No item gets selected automatically when user clicks on Combobox). HTH, Onur Güzel On Jun 16, 1:17 pm, Onur Güzel <kimiraikkone***@gmail.com> wrote:
Show quoteHide quote > On Jun 15, 9:52 pm, sid <sidwe***@alexian.net> wrote: Yes, but then you don't get a textbox to type in if you want to make> > > > > > > Using the following code snip in VB.net, When I start the app and > > pulldown the list from the combox box it tries to make a selection. > > But I don't want this feature. How do I prevent it. > > Why is the first item of the list selected as soon as the pulldown > > drops ? > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > > System.EventArgs) Handles MyBase.Load > > > Dim i As Integer > > > For i = 0 To 5 > > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > > "00")) > > Next > > Me.ComboBox1.Text = "A" > > > End Sub > > Probably your combobox's "DropDownStyle" property was NOT set to > "DropDownList" (Maybe it's "DropDown"). Based on my experiment, the > behaviour doesn't occur if it is a "DropDownList" combobox (No item > gets selected automatically when user clicks on Combobox). > > HTH, > > Onur Güzel- Hide quoted text - > > - Show quoted text - an entry that is not in the list. On Jun 16, 11:15 pm, sid <sidwe***@alexian.net> wrote:
Show quoteHide quote > On Jun 16, 1:17 pm, Onur Güzel <kimiraikkone***@gmail.com> wrote: Yes, i have tought that but there's no such event that's fired after> > > > > On Jun 15, 9:52 pm, sid <sidwe***@alexian.net> wrote: > > > > Using the following code snip in VB.net, When I start the app and > > > pulldown the list from the combox box it tries to make a selection. > > > But I don't want this feature. How do I prevent it. > > > Why is the first item of the list selected as soon as the pulldown > > > drops ? > > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > > > System.EventArgs) Handles MyBase.Load > > > > Dim i As Integer > > > > For i = 0 To 5 > > > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > > > "00")) > > > Next > > > Me.ComboBox1.Text = "A" > > > > End Sub > > > Probably your combobox's "DropDownStyle" property was NOT set to > > "DropDownList" (Maybe it's "DropDown"). Based on my experiment, the > > behaviour doesn't occur if it is a "DropDownList" combobox (No item > > gets selected automatically when user clicks on Combobox). > > > HTH, > > > Onur Güzel- Hide quoted text - > > > - Show quoted text - > > Yes, but then you don't get a textbox to type in if you want to make > an entry that is not in the list. dropdown portion is displayed then we would have chance to change selectedindex. However, in the code of comobox item population which you posted , "A-00" gets selected automatically because you're setting text "A" to combobox. As you want leave DropDownStyle property as "DropDown", which allows you to edit combox text area with keyboard, you can overcome this behaviour by adding a textbox above the combobox, whose height will be same as combobox and width will be less as much as combobox's drop-down arrow, then you send back the combobox, in your form_load set text to textbox, rather than combobox: Like: Dim i As Integer For i = 0 To 5 Me.ComboBox1.Items.Add _ (Chr(65 + i) & "- " & Format(i, "00")) Next Me.TextBox1.Text = "A" Finally, of course you must equalise combobox selection with textbox, if user selects any item in combobox. Private Sub ComboBox1_SelectedIndexChanged _ (ByVal sender As System.Object, _ ByVal e As System.EventArgs) _ Handles ComboBox1.SelectedIndexChanged TextBox1.Text = ComboBox1.SelectedItem End Sub At this time you will be able to use drop-down portion of combobox but nobody will see any selection as textbox is in the front. To describe what i mean, look at the screenshoot which will clarify the trick: http://img541.imageshack.us/img541/8721/resimnew.jpg HTH, Onur Güzel On Jun 17, 1:25 am, Onur Güzel <kimiraikkone***@gmail.com> wrote:
Show quoteHide quote > On Jun 16, 11:15 pm, sid <sidwe***@alexian.net> wrote: This was a good solution. I was about to start to create my own> > > > > > > On Jun 16, 1:17 pm, Onur Güzel <kimiraikkone***@gmail.com> wrote: > > > > On Jun 15, 9:52 pm, sid <sidwe***@alexian.net> wrote: > > > > > Using the following code snip in VB.net, When I start the app and > > > > pulldown the list from the combox box it tries to make a selection. > > > > But I don't want this feature. How do I prevent it. > > > > Why is the first item of the list selected as soon as the pulldown > > > > drops ? > > > > > Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As > > > > System.EventArgs) Handles MyBase.Load > > > > > Dim i As Integer > > > > > For i = 0 To 5 > > > > Me.ComboBox1.Items.Add(Chr(65 + i) & "- " & Format(i, > > > > "00")) > > > > Next > > > > Me.ComboBox1.Text = "A" > > > > > End Sub > > > > Probably your combobox's "DropDownStyle" property was NOT set to > > > "DropDownList" (Maybe it's "DropDown"). Based on my experiment, the > > > behaviour doesn't occur if it is a "DropDownList" combobox (No item > > > gets selected automatically when user clicks on Combobox). > > > > HTH, > > > > Onur Güzel- Hide quoted text - > > > > - Show quoted text - > > > Yes, but then you don't get a textbox to type in if you want to make > > an entry that is not in the list. > > Yes, i have tought that but there's no such event that's fired after > dropdown portion is displayed then we would have chance to change > selectedindex. However, in the code of comobox item population which > you posted , "A-00" gets selected automatically because you're setting > text "A" to combobox. As you want leave DropDownStyle property as > "DropDown", which allows you to edit combox text area with keyboard, > you can overcome this behaviour by adding a textbox above the > combobox, whose height will be same as combobox and width will be less > as much as combobox's drop-down arrow, then you send back the > combobox, in your form_load set text to textbox, rather than combobox: > > Like: > > Dim i As Integer > For i = 0 To 5 > Me.ComboBox1.Items.Add _ > (Chr(65 + i) & "- " & Format(i, "00")) > Next > Me.TextBox1.Text = "A" > > Finally, of course you must equalise combobox selection with textbox, > if user selects any item in combobox. > > Private Sub ComboBox1_SelectedIndexChanged _ > (ByVal sender As System.Object, _ > ByVal e As System.EventArgs) _ > Handles ComboBox1.SelectedIndexChanged > TextBox1.Text = ComboBox1.SelectedItem > End Sub > > At this time you will be able to use drop-down portion of combobox but > nobody will see any selection as textbox is in the front. To describe > what i mean, look at the screenshoot which will clarify the trick: > > http://img541.imageshack.us/img541/8721/resimnew.jpg > > HTH, > > Onur Güzel- Hide quoted text - > > - Show quoted text - control. Another programmer had the idea of adding a space to the text on 'DropDown', this fools the Autocomplete by not finding a match, but this solution was not consistent. Timing issues ... The floating textbox worked perfectly. Thanks |
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