PropertyChangeSupport.HasListeners(String) Method

Reference

Definition

Namespace:: Java.Beans

Assembly:: Mono.Android.dll

Important

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Check if there are any listeners for a specific property, including those registered on all properties.

[Android.Runtime.Register("hasListeners", "(Ljava/lang/String;)Z", "GetHasListeners_Ljava_lang_String_Handler")]
public virtual bool HasListeners (string? propertyName);

[<Android.Runtime.Register("hasListeners", "(Ljava/lang/String;)Z", "GetHasListeners_Ljava_lang_String_Handler")>]
abstract member HasListeners : string -> bool
override this.HasListeners : string -> bool

Parameters

propertyName: String

the property name.

Returns

Boolean

true if there are one or more listeners for the given property

Attributes: RegisterAttribute

Remarks

Check if there are any listeners for a specific property, including those registered on all properties. If propertyName is null, only check for listeners registered on all properties.

Java documentation for java.beans.PropertyChangeSupport.hasListeners(java.lang.String).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

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