EventCallback.HasDelegate 属性

  • 参考

定义

命名空间:
Microsoft.AspNetCore.Components
程序集:
Microsoft.AspNetCore.Components.dll
包:
Microsoft.AspNetCore.Components v3.0.3
包:
Microsoft.AspNetCore.Components v3.1.18
包:
Microsoft.AspNetCore.Components v5.0.9
包:
Microsoft.AspNetCore.Components v6.0.6
包:
Microsoft.AspNetCore.Components v7.0.5
包:
Microsoft.AspNetCore.Components v8.0.0

获取一个值，该值指示与此事件调度程序关联的委托是否为非 null。

public:
 property bool HasDelegate { bool get(); };
public bool HasDelegate { get; }
member this.HasDelegate : bool
Public ReadOnly Property HasDelegate As Boolean

属性值

Boolean

适用于