MultiBinding Class

Describes a collection of Binding objects attached to a single binding target property.

Namespace:  System.Windows.Data
Assembly:  PresentationFramework (in PresentationFramework.dll)

public class MultiBinding : BindingBase, 

The MultiBinding type exposes the following members.

Public methodMultiBindingInitializes a new instance of the MultiBinding class.

Public propertyBindingGroupNameGets or sets the name of the BindingGroup to which this binding belongs. (Inherited from BindingBase.)
Public propertyBindingsGets the collection of Binding objects within this MultiBinding instance.
Public propertyConverterGets or sets the converter to use to convert the source values to or from the target value.
Public propertyConverterCultureGets or sets the CultureInfo object that applies to any converter assigned to bindings wrapped by the MultiBinding or on the MultiBinding itself.
Public propertyConverterParameterGets or sets an optional parameter to pass to a converter as additional information.
Public propertyDelayGets or sets the amount of time, in milliseconds, to wait before updating the binding source after the value on the target changes. (Inherited from BindingBase.)
Public propertyFallbackValueGets or sets the value to use when the binding is unable to return a value. (Inherited from BindingBase.)
Public propertyModeGets or sets a value that indicates the direction of the data flow of this binding.
Public propertyNotifyOnSourceUpdatedGets or sets a value that indicates whether to raise the SourceUpdated event when a value is transferred from the binding target to the binding source.
Public propertyNotifyOnTargetUpdatedGets or sets a value that indicates whether to raise the TargetUpdated event when a value is transferred from the binding source to the binding target.
Public propertyNotifyOnValidationErrorGets or sets a value that indicates whether to raise the Error attached event on the bound element.
Public propertyStringFormatGets or sets a string that specifies how to format the binding if it displays the bound value as a string. (Inherited from BindingBase.)
Public propertyTargetNullValueGets or sets the value that is used in the target when the value of the source is null. (Inherited from BindingBase.)
Public propertyUpdateSourceExceptionFilterGets or sets a handler you can use to provide custom logic for handling exceptions that the binding engine encounters during the update of the binding source value. This is only applicable if you have associated the ExceptionValidationRule with your MultiBinding object.
Public propertyUpdateSourceTriggerGets or sets a value that determines the timing of binding source updates.
Public propertyValidatesOnDataErrorsGets or sets a value that indicates whether to include the DataErrorValidationRule.
Public propertyValidatesOnExceptionsGets or sets a value that indicates whether to include the ExceptionValidationRule.
Public propertyValidatesOnNotifyDataErrorsGets or sets a value that indicates whether to include the NotifyDataErrorValidationRule.
Public propertyValidationRulesGets the collection of ValidationRule objects for this instance of MultiBinding.

Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodProvideValueReturns an object that should be set on the property where this binding and extension are applied. (Inherited from BindingBase.)
Public methodShouldSerializeBindingsIndicates whether the Bindings property should be persisted.
Public methodShouldSerializeFallbackValueReturns a value that indicates whether serialization processes should serialize the effective value of the FallbackValue property on instances of this class. (Inherited from BindingBase.)
Public methodShouldSerializeTargetNullValueReturns a value that indicates whether the TargetNullValue property should be serialized. (Inherited from BindingBase.)
Public methodShouldSerializeValidationRulesIndicates whether the ValidationRules property should be persisted.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

Explicit interface implemetationPrivate methodIAddChild.AddChildInfrastructure. Adds a child object.
Explicit interface implemetationPrivate methodIAddChild.AddTextInfrastructure. Adds the text content of a node to the object.

You can specify multiple bindings in a MultiBinding object. When you use the MultiBinding object with a converter, it produces a final value for the binding target based on the values of those bindings. For example, color might be computed from red, blue, and green values, which can be values from the same or different binding source objects. When a value moves from the target to the sources, the target property value is translated to a set of values that are fed back into the bindings.

The values of the Mode and UpdateSourceTrigger properties determine the functionality of the MultiBinding and are used as the default values for all the bindings in the collection unless an individual binding overrides these properties. For example, if the Mode property on the MultiBinding object is set to TwoWay, then all the bindings in the collection are considered TwoWay unless you set a different Mode value on one of the bindings explicitly. For more information, see the Binding.Mode and Binding.UpdateSourceTrigger properties.

MultiBinding currently supports only objects of type Binding and not MultiBinding or PriorityBinding.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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