How to add custom-control-derived TabItem to TabControl in WPF?
- by orloffm
I want to have my own base TabItem class and use other classes that derive from it.
I define base class in MyNs namespace like this:
public class MyCustomTab : TabItem
{
static MyCustomTab()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(MyCustomTab), new FrameworkPropertyMetadata(typeof(TabItem)));
}
}
And this is what I do for the class that inherits from it:
code-behind in MyNs namespace:
public partial class ActualTab : MyCustomTab
{
public ActualTab()
{
InitializeComponent();
}
}
XAML:
<MyCustomTab x:Class="MyNs.ActualTab"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid>
</Grid>
</MyCustomTab>
The error I get is "The tag 'MyCustomTab' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml/presentation'". If I use TabItem tag in XAML the error says that it's not possible to define to different base classes.
How to fix this?
