wpf tabcontrol selecteditem null

we just ran into the same problem. We found a blog entry describing the pro...

we just ran into the same problem. We found a blog entry describing the problem. It looks like it is a bug in WPF and there is a workaround.

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I don't believe the tab control lets you have nothing selected. An eas...

I don't believe the tab control lets you have nothing selected. An easy work around for this is to create an empty tab with a collapsed visibility.

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Triggers> SelectedItem,ElementName=tabControl1}" Value="{x:Nul...

Triggers> SelectedItem,ElementName=tabControl1}" Value="{x:Null}">.

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My problem is when I change TabItem I lost the selected Item in my . //dwn....

My problem is when I change TabItem I lost the selected Item in my . //dwn.220.v.ua a canvas in a tabitem.

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TabItems are different for each TabControl and are binded from Image!= null...

TabItems are different for each TabControl and are binded from Image!= null ||! Binding SelectedIndex or SelectedItem to the current view-model . In WPF, how to bind the ItemSource and SelectedItem with String in.

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Persist the Visual Tree when switching tabs in the WPF TabControl . Selecte...

Persist the Visual Tree when switching tabs in the WPF TabControl . SelectedItem = null; return; } foreach (TabItem tabItem in dwn.220.v.ua) { if.

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You'll see that CurrentTable is bound to the TabControl's Selecte...

You'll see that CurrentTable is bound to the TabControl's SelectedItem in the Xaml below. This prevents things from getting set to null when a.

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SelectedIndex is -1; SelectedItem is null; SelectedItems is null Below, we ...

SelectedIndex is -1; SelectedItem is null; SelectedItems is null Below, we bind the SelectedIndex of a TabControl to a property in our class.

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A common scenario in WPF is to use a tabbed interface to give the user the ...

A common scenario in WPF is to use a tabbed interface to give the user the . SelectedItem as TabItem; return tabItem; } } public event IsNotNull(() => tabItem); if (_tabControl == null) { return false; } var isVisible = (from item in _tabControl.

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dwn.220.v.ua# In quite stress....

dwn.220.v.ua# In quite stress.

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WPF – Combo Box SelectedItem Binding every time the data context changes th...

WPF – Combo Box SelectedItem Binding every time the data context changes the SelectedItem on the old data context will get set to null.

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You want to dynamically show or hide tabs in WPF. Say, some only show up if...

You want to dynamically show or hide tabs in WPF. Say, some only show up if SelectedItem == null || (!(dwn.220.v.uaedItem as TabItem).

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WPF-TabControl/TabControlDemo/dwn.220.v.ua Fetching contributors TabOpenTab...

WPF-TabControl/TabControlDemo/dwn.220.v.ua Fetching contributors TabOpenTab1(sender, null);. } else dwn.220.v.uaedItem = clone;.

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Extended TabControl which saves the displayed item so you don't get th...

Extended TabControl which saves the displayed item so you don't get the performance hit of dwn.220.v.ua . if (selectedItem == null).

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WPF TabControl is known to "virtualize" its tabs when they are cr...

WPF TabControl is known to "virtualize" its tabs when they are created . SelectedItem; if (item == null) return null; var tabItem = _tabControl.

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