PropertyChangeSupport.HasListeners(String) Method
Definition
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
true if there are one or more listeners for the given property
- Attributes
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)
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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.