How to set focus in TabItem WPF

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3.00/5 (1 vote)

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Hi all,

I have TabControl with 2 TabItems: TabItem1 and TabItem2
In TabItem1: Radio (TabIndex = 1) and TextBox(TabIndex = 2)
I try to focus textbox but when selecting tabControl1, focus radio. How do i focus into textbox

C#

void tabControl1_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (!(e.Source is TabItem))
            {
                return;
            }
            if(tabControl1.SelectedItem.Equals(tabItem1))
            {
                this.tabItem1.Focus();
                UpdateLayout(); //tabControl1.UpdateLayout();
                this.textBox1.Focus();
            }
            else
            {
                this.tabItem2.Focus();
                this.tabItem2.UpdateLayout();
                this.txtFocusTab2.Focus();
            }
        }

Posted 3-Sep-14 6:11am

minhhana

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-09-03T06:23:00

Solution 1

This is not focusing, this is "selection". Here is how:
http://msdn.microsoft.com/en-us/library/system.windows.forms.tabcontrol.selectedindex(v=vs.110).aspx[^],
http://msdn.microsoft.com/en-us/library/system.windows.forms.tabcontrol.selectedtab(v=vs.110).aspx[^].

Note that both properties are read-write. The setters have the side effect of actually selecting the tab you want.

—SA

Posted 3-Sep-14 6:23am

Sergey Alexandrovich Kryukov

Comments

minhhana 3-Sep-14 12:31pm

Sr,I'm not good english :), but I want when selecting tab1, focus to second control (textbox) not radio, the code always focus radio

Sergey Alexandrovich Kryukov 3-Sep-14 13:25pm

Combine SelectedIndex with Control.Focus. But better, leave the focus as is. WPF has logical focus which will put it all right. Anyway, you now know all you need. Any further questions?
—SA