Hi, it still does not work with version 2012 Q3.
As a workaround, I took out the textbox from the header and placed it outside of the RadExpander.
It looks like it is inside the header.
<
Grid
x:Name
=
"LayoutRoot"
>
<
telerik:RadExpander
VerticalAlignment
=
"Top"
>
<
TextBlock
Text
=
"Content of the Expander"
/>
</
telerik:RadExpander
>
<
TextBox
Width
=
"250"
Margin
=
"25,0,0,0"
HorizontalAlignment
=
"Left"
VerticalAlignment
=
"Top"
/>
</
Grid
>
If the expand direction of your RadExpander is other than down, you will have to do some additional layout to achieve the same thing.
Regards,
Iosu.