Class NullToVisibityConverter
Converter to handle visibility based on null value of objects.
Inheritance
System.Object
NullToVisibityConverter
Implements
Windows.UI.Xaml.Data.IValueConverter
Namespace: Syncfusion.UI.Xaml.Diagram.Utility
Assembly: Syncfusion.SfDiagram.UWP.dll
Syntax
public class NullToVisibityConverter : Object, IValueConverterConstructors
NullToVisibityConverter()
Declaration
public NullToVisibityConverter()Methods
Convert(Object, Type, Object, String)
To convert given object values into visibility.
Declaration
public object Convert(object value, Type targetType, object parameter, string language)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | value | Gets object value. |
| System.Type | targetType | Gets target type values. |
| System.Object | parameter | Gets paramter object of given value. |
| System.String | language | Gets the language. |
Returns
| Type | Description |
|---|---|
| System.Object | Returns visibility as collapsed, when object does not have null value; Otherwise returns visible. |
ConvertBack(Object, Type, Object, String)
To convert back visibility value as object.
Declaration
public object ConvertBack(object value, Type targetType, object parameter, string language)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object | value | Gets Object value |
| System.Type | targetType | Gets target type value. |
| System.Object | parameter | Gets object parameter. |
| System.String | language | Gets culture info value. |
Returns
| Type |
|---|
| System.Object |
Implements
Windows.UI.Xaml.Data.IValueConverter