Class SfRating

The SfRating control allows the user to rate the items from the available predefined number of items.

Inheritance

System.Object

SfRating

Namespace: Syncfusion.UI.Xaml.Editors

Assembly: Syncfusion.Editors.WinUI.dll

Syntax

public class SfRating : Control

Examples

This example illustrates how to set the items using Items .

<syncfusion:SfRating>
<syncfusion:SfRating.Items>
    <syncfusion:SfRatingItem/>
    <syncfusion:SfRatingItem/>
    <syncfusion:SfRatingItem/>
    <syncfusion:SfRatingItem/>
    <syncfusion:SfRatingItem/>
</syncfusion:SfRating.Items>
</syncfusion:SfRating>

This example illustrates how to set the items using ItemsCount.

<syncfusion:SfRating ItemsCount="5">
</syncfusion:SfRating>  

Constructors

SfRating()

Initializes a new instance of the SfRating class.

Declaration

public SfRating()

Fields

EnableToolTipProperty

Identifies EnableToolTip dependency property.

Declaration

public static readonly DependencyProperty EnableToolTipProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the EnableToolTip dependency property.

IsClearEnabledProperty

Identifies IsClearEnabled dependency property.

Declaration

public static readonly DependencyProperty IsClearEnabledProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The Identifier for the IsClearEnabled dependency property.

IsReadOnlyProperty

Identifies IsReadOnly dependency property.

Declaration

public static readonly DependencyProperty IsReadOnlyProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the IsReadOnly dependency property.

ItemsCountProperty

Identifies ItemsCount dependency property.

Declaration

public static readonly DependencyProperty ItemsCountProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The Identifier for the ItemsCount dependency property.

ItemSizeProperty

Identifies ItemSize dependency property.

Declaration

public static readonly DependencyProperty ItemSizeProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the ItemSize dependency property.

ItemTemplateSelectorProperty

Identifies ItemTemplateSelector dependency property.

Declaration

public static readonly DependencyProperty ItemTemplateSelectorProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the ItemTemplateSelector dependency property.

OrientationProperty

Identifies Orientation dependency property.

Declaration

public static readonly DependencyProperty OrientationProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The Identifier for the Orientation dependency property.

PlaceholderValueProperty

Identifies PlaceholderValue dependency property.

Declaration

public static readonly DependencyProperty PlaceholderValueProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The Identifier for the PlaceholderValue dependency property.

PrecisionProperty

Identifies Precision dependency property.

Declaration

public static readonly DependencyProperty PrecisionProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the Precision dependency property.

RatedItemStyleProperty

Identifies RatedItemStyle dependency property.

Declaration

public static readonly DependencyProperty RatedItemStyleProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the RatedItemStyle dependency property.

ToolTipFormatProperty

Identifies ToolTipFormat dependency property.

Declaration

public static readonly DependencyProperty ToolTipFormatProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the ToolTipFormat dependency property.

UnratedItemStyleProperty

Identifies UnratedItemStyle dependency property.

Declaration

public static readonly DependencyProperty UnratedItemStyleProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the UnratedItemStyle dependency property.

ValueProperty

Identifies Value dependency property.

Declaration

public static readonly DependencyProperty ValueProperty

Field Value

Type	Description
Microsoft.UI.Xaml.DependencyProperty	The identifier for the Value dependency property.

Properties

EnableToolTip

Gets or sets a value indicating whether SfRating shows tooltip content.

Declaration

public bool EnableToolTip { get; set; }

Property Value

Type	Description
System.Boolean	It takes the boolean value. The default value is false, which indicates that control will not show tooltip content.

IsClearEnabled

Gets or sets a value that determines whether a user can remove their rating or not.

Declaration

public bool IsClearEnabled { get; set; }

Property Value

Type	Description
System.Boolean	It takes a boolean value.The default value is true, which indicates that user can remove their rating value by default.

IsReadOnly

Gets or sets the value indicates whether user is allowed to edit the rating value.

Declaration

public bool IsReadOnly { get; set; }

Property Value

Type	Description
System.Boolean	It takes the boolean value. The default value is false, which indicates that control is not read only mode.

Items

Gets the collection to generate the rating items for the rating control.

Declaration

public ObservableCollection<SfRatingItem> Items { get; }

Property Value

Type	Description
System.Collections.ObjectModel.ObservableCollection<SfRatingItem>	A collection that is used to generate the content of the SfRating. The default value is null.

Examples

The following example shows how to define a Items in SfRating.

<syncfusion:SfRating>
   <syncfusion:SfRating.Items>
       <syncfusion:SfRatingItem/>
       <syncfusion:SfRatingItem/>
       <syncfusion:SfRatingItem/>
       <syncfusion:SfRatingItem/>
       <syncfusion:SfRatingItem/>
  </syncfusion:SfRating.Items>
</syncfusion:SfRating>   

ItemsCount

Gets or sets value that determines the count of rating item in the rating control.

Declaration

public int ItemsCount { get; set; }

Property Value

Type	Description
System.Int32	It takes the integer value that represents number of items manually added. The default value is 0, which indicates that items not added manually.

Remarks

When both the Items and the ItemsCount properties are set, the Items property takes precedence.

ItemSize

Gets or sets the value for the size of each rating item in the rating control.

Declaration

public double ItemSize { get; set; }

Property Value

Type	Description
System.Double	It takes the double value. The default value is 50, which indicates that item size is 50 default.

ItemTemplateSelector

Gets or sets the custom view for rating items.

Declaration

public DataTemplateSelector ItemTemplateSelector { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Controls.DataTemplateSelector	A custom Microsoft.UI.Xaml.Controls.DataTemplateSelector object that provides logic and returns a Microsoft.UI.Xaml.DataTemplate. The default value is null.

Examples

<Grid.Resources>
  <DataTemplate x:Key="selectedtemplate">
     <Viewbox>
         <StackPanel Orientation = "Vertical" >
              <Image Source="Assets/Rating/AngrySelected.png"/>
         </StackPanel>
     </Viewbox>
   </DataTemplate>
   <DataTemplate x:Key="unSelectedTemplate">
     <Viewbox>
         <StackPanel Orientation = "Vertical" >
              <Image Source="Assets/Rating/AngryUnSelected.png"/>
         </StackPanel>
     </Viewbox>
   </DataTemplate>
   <local:ContentTemplateSelector x:Key="templateselector" 
                               SelectedTemplate="{StaticResource selectedtemplate}" 
                               UnSelectedTemplate="{StaticResource unSelectedTemplate}"/>
</Grid.Resources>
<syncfusion:SfRating Name="ratingControl" 
                    Items="{Binding RatingItems}"
                    TemplateSelector="{StaticResource templateselector}" />

class ContentTemplateSelector : DataTemplateSelector
{
   public DataTemplate SelectedTemplate { get; set; }
   public DataTemplate UnSelectedTemplate { get; set; }
   protected override DataTemplate SelectTemplateCore(object item, DependencyObject container)
   {
       if (container == null)
           return null;
       SfRating Rating = container as SfRating;
       if (Rating.Items.IndexOf((SfRatingItem) item) + 1 <= Rating.Value)
           return SelectedTemplate;
       return UnSelectedTemplate;
   }
}

Orientation

Gets or sets the value indicates whether the rating items are arranged either vertically or horizontally.

Declaration

public Orientation Orientation { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Controls.Orientation	Specifies the one of the enumeration values that sets the orientation of rating items. The default is Horizontal.

PlaceholderValue

Gets or sets the average rating for the control until the value is changed by a user or other action.

Declaration

public double PlaceholderValue { get; set; }

Property Value

Type	Description
System.Double	It takes the double value. The default value is 0.

Precision

Gets or sets the value for precision mode to set accuracy level of rating. 

Declaration

public RatingPrecision Precision { get; set; }

Property Value

Type
RatingPrecision

Examples

<syncfusion:SfRating Precision="Half"/>

RatedItemStyle

Gets or sets the style for the selected items in the rating control.

Declaration

public Style RatedItemStyle { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Style	The style that defines the appearance of rated item in SfRating. The default value is null.

Examples

<Grid.Resources>
   <Style TargetType="Path" x:Key="ratedStyle">
         <Setter Property = "Fill" Value="Yellow" />
          <Setter Property = "Stroke" Value="Gray"/>
          <Setter Property = "StrokeThickness" Value="2"/>
      </Style>
</Grid.Resources>

<syncfusion:SfRating ItemsCount="5"
                     RatedItemStyle="{StaticResource ratedStyle}">
</syncfusion:SfRating>   

ToolTipFormat

Gets or sets a value of tooltip format which shows the custom content of tooltip.

Declaration

public string ToolTipFormat { get; set; }

Property Value

Type	Description
System.String	Custom numeric format strings and Standard numeric format strings can be used to format the tooltip content.

UnratedItemStyle

Gets or sets the style for the unselected items in the rating control.

Declaration

public Style UnratedItemStyle { get; set; }

Property Value

Type	Description
Microsoft.UI.Xaml.Style	The style that defines the appearance of unrated item in SfRating. The default value is null.

Examples

<Grid.Resources>
   <Style TargetType="Path" x:Key="unratedStyle">
         <Setter Property = "Fill" Value="Black" />
          <Setter Property = "Stroke" Value="Blue"/>
          <Setter Property = "StrokeThickness" Value="2"/>
      </Style>
</Grid.Resources>

<syncfusion:SfRating ItemsCount="5"
        UnratedItemStyle="{StaticResource unratedStyle}">
</syncfusion:SfRating>   

Value

Gets or sets the current value of the rating control.

Declaration

public double Value { get; set; }

Property Value

Type	Description
System.Double	It takes the double value. The default value is 0, which indicates that no item is rated.

Methods

OnApplyTemplate()

Build the visual tree for the SfRating class.

Declaration

protected override void OnApplyTemplate()

OnCreateAutomationPeer()

Returns a class-specific AutomationPeer Implementations for the Microsoft UI Automation infrasturcutre.

Declaration

protected override AutomationPeer OnCreateAutomationPeer()

Returns

Type	Description
Microsoft.UI.Xaml.Automation.Peers.AutomationPeer	The class-specific AutomationPeer subclass.

OnKeyDown(KeyRoutedEventArgs)

Invoked when the KeyDown attached event reaches an element in its route that is derived from this class. Override this method to update the rating value via keyboard navigation using arrow keys.

Declaration

protected override void OnKeyDown(KeyRoutedEventArgs e)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs	e	The Microsoft.UI.Xaml.Input.KeyRoutedEventArgs that contains the event data.

OnPointerExited(PointerRoutedEventArgs)

Occurs when pointer is exited from the rating.

Declaration

protected override void OnPointerExited(PointerRoutedEventArgs e)

Parameters

Type	Name	Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs	e	The Microsoft.UI.Xaml.Input.PointerRoutedEventArgs that contains the event data.

Events

ValueChanged

Occurs when the value changed in the SfRating control.

Declaration

public event EventHandler<RatingValueChangedEventArgs> ValueChanged

Event Type

Type
System.EventHandler<RatingValueChangedEventArgs>