this code work correct:
<UserControl x:Class="Extended.InputControls.TextBoxUserControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:Extended.InputControls">
<TextBox x:Name="textBox"
ToolTip="{Binding Path=CustomToolTip,RelativeSource={RelativeSource AncestorType=local:TextBoxUserControl}}"/>
</UserControl>
but this code Does not work!!!
<UserControl x:Class="Extended.InputControls.TextBoxUserControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:Extended.InputControls">
<TextBox x:Name="textBox">
<TextBox.ToolTip>
<ToolTip Text="{Binding Path=CustomToolTip,RelativeSource={RelativeSource AncestorType=local:TextBoxUserControl}}" Background="Yellow"/>
</TextBox.ToolTip>
</TextBox>
</UserControl>
i need create custom tooltip and bind it to CustomToolTip but in second code that's not bind to anything where is the problem?