add XmlnsPrefix

src/Shared/HandyControlDemo_Shared/UserControl/Basic/InteractiveDialog.xaml

@@ -2,7 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
-        xmlns:controls="clr-namespace:HandyControl.Controls;assembly=HandyControl"
+        xmlns:hc="https://handyorg.github.io/handycontrol"
         CornerRadius="10"
         Width="400"
         Height="247"
@@ -10,7 +10,7 @@
         Background="{DynamicResource RegionBrush}">
     <StackPanel VerticalAlignment="Center" Margin="32">
         <TextBlock Style="{StaticResource TextBlockLargeBold}" Text="{Binding Message}"/>
-        <TextBox Margin="0,32,0,0" Style="{StaticResource TextBoxExtend}" Text="{Binding Result,UpdateSourceTrigger=PropertyChanged}" controls:InfoElement.Placeholder="{x:Static langs:Lang.PleaseInput}"/>
+        <TextBox Margin="0,32,0,0" Style="{StaticResource TextBoxExtend}" Text="{Binding Result,UpdateSourceTrigger=PropertyChanged}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PleaseInput}"/>
         <Button Width="120" Margin="0,32,0,0" Command="{Binding CloseCmd}" Style="{StaticResource ButtonPrimary}" Content="{x:Static langs:Lang.Ok}"/>
     </StackPanel>
 </Border>