<CategoryAttribute("Common Properties")>
Public Property IsBusy As Boolean

Dim instance As UXBusyIndicator
Dim value As Boolean
 
instance.IsBusy = value
 
value = instance.IsBusy

[CategoryAttribute("Common Properties")]
public bool IsBusy {get; set;}

public read-write property IsBusy: Boolean; 

CategoryAttribute("Common Properties")
public function get,set IsBusy : boolean

[CategoryAttribute("Common Properties")]
public: __property bool get_IsBusy();
public: __property void set_IsBusy( 
   bool value
);

[CategoryAttribute("Common Properties")]
public:
property bool IsBusy {
   bool get();
   void set (    bool value);
}

 <Intersoft:UXBusyIndicator x:Name="BusyIndicator1" BusyContent="Signing in...">
     <Intersoft:DockPanel Width="300" Height="200">
         <TextBlock Text="Welcome to My Application" HorizontalAlignment="Center"/>
             <Intersoft:UXItemsControl Intersoft:DockPanel.IsFillElement="True" Width="300">
                  <Intersoft:FieldLabel>
                      <Intersoft:UXTextBox Width="150"/>
                  </Intersoft:FieldLabel>
                  <Intersoft:FieldLabel Header="Password:">
                      <Intersoft:UXPasswordBox Width="150">
                  </Intersoft:FieldLabel>
                  <Intersoft:FieldLabel Header="">
                      <Intersoft:UXButton Content="Login" Width="80" IsDefault="True" Click="UXButton_Click"/>
                  </Intersoft:FieldLabel>
             </Intersoft:UXItemsControl>
     </Intersoft:DockPanel>
 </Intersoft:UXBusyIndicator>

private void UXButton_Click(object sender, RoutedEventArgs e)
{
    this.BusyIndicator1.IsBusy = true;
}