Autocomplete Textbox using separator character in a row

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How can i use a text box with distinctive characters in row with auto complete and drop down be active ?

when in text box , i enter the first distinctive character , I have both auto complete and drop down menu , i mean both of them are active .
But , as soon as i want to add another distinctive character in my text box , none of my auto complete and my drop down menu are active . i mean they don't show themselves. just in the first using show .
With which code , i can make auto complete and drop down active in each stage after distinctive character?

i use platform win form.

Posted 14-May-11 8:32am

rezaignore

Updated 14-May-11 8:47am

Sergey Alexandrovich Kryukov

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-05-14T09:17:00

I just tested it — all works correctly.

First of all, there is no "drop-down menu" in TextBox. You can use either ContextMenu or ContextMenuStrip. Maybe, you did not explain properly — drop-down behavior is available with ComboBox.

I tried all these variants (including ComboBox). All for lists are shown of three different ways (ContextMenu or ContextMenuStrip is pretty much the same) and do not interfere in anyway. You can use them all together. For auto-complete feature, I used the following test:

C#

var source = new AutoCompleteStringCollection();
source.AddRange(new string[] {
   "January",
   "February",
   "March",
   "April",
   "May",
   "June",
   "July",
   "August",
   "September",
   "October",
   "November",
   "December"
});
myTextBox.AutoCompleteSource = AutoCompleteSource.CustomSource;
myTextBox.AutoCompleteCustomSource = source;
myTextBox.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
myTextBox.Text = "Yes!";
myComboBox.Parent = this;
myComboBox.AutoCompleteSource = AutoCompleteSource.CustomSource;
myComboBox.AutoCompleteCustomSource = source;.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
myComboBox.Items.AddRange(new string[] { "One", "Two", "Three", } );
ContextMenuStrip menu = new ContextMenuStrip();
ToolStripDropDownButton item1 = new ToolStripDropDownButton();
ToolStripDropDownButton item2 = new ToolStripDropDownButton();
item1.Text = "Open";
item2.Text = "Save";
menu.Items.AddRange(new ToolStripItem[] { item1, item2, });
myComboBox.ContextMenuStrip = menu;
myTextBox.ContextMenuStrip = menu;

All works correctly, no problems.

—SA

rezaignore · Answer 2 · 2011-05-14T09:42:00

Solution 2

Thanks . But i don't know how show in the myTextBox -->
August;December;May

Posted 14-May-11 9:42am

rezaignore

Comments

Wonde Tadesse 14-May-11 19:31pm

Please look -SA answer properly. He gave you example for textbox as well as combobox.