<Controls:ToolTipService.ToolTip>
<Controls:ToolTip InitialDelay="00:00:00" DisplayTime="00:10:00">
then the border displays, but the tip only shows for 7 seconds.
Thanks
Scott
<DataTemplate x:Name="ToolTipTemplate2">
<Grid Background="Transparent">
<Controls:ToolTipService.ToolTip>
<Controls:ToolTip InitialDelay="00:00:00" DisplayTime="00:10:00">
<Border Background="{Binding Path=Appointment.Category.CategoryBrush}" BorderThickness="1,1,1,1" CornerRadius="1,1,1,1" >
<TextBlock Text="{Binding Path=Appointment, Converter={StaticResource SubjectConverter}}" TextWrapping="Wrap" TextAlignment="Left" FontWeight="Bold" VerticalAlignment="Top" Height="100" Width="285" HorizontalAlignment="Left" Margin="2,2,0,0" />
</Border>
</Controls:ToolTip>
</Controls:ToolTipService.ToolTip>
<TextBox x:Name="PART_SubjectTextBox" Margin="7 0 5 0"
VerticalAlignment="Top" HorizontalAlignment="Stretch"
Text="{Binding Path=Appointment.Subject}" IsHitTestVisible="False" Style="{StaticResource AppointmentSubjectTextBox}"
Foreground="Black" TextWrapping="Wrap" Background="Transparent" BorderThickness="0" />
</Grid>
</DataTemplate>