Control.IsDisposed Control.IsDisposed Control.IsDisposed Control.IsDisposed Property

定义

获取一个值,该值指示控件是否已经被释放。Gets a value indicating whether the control has been disposed of.

public:
 property bool IsDisposed { bool get(); };
[System.ComponentModel.Browsable(false)]
public bool IsDisposed { get; }
member this.IsDisposed : bool
Public ReadOnly Property IsDisposed As Boolean

属性值

如果控件已经被释放,则为 true;否则为 falsetrue if the control has been disposed of; otherwise, false.

注解

当此属性返回true,控件被释放,不能再作为有效的 Windows 控件被引用。When this property returns true, the control is disposed of and can no longer be referenced as a valid Windows control. 即使控件的实例已释放,它仍将保留在内存中直到从通过垃圾回收的内存中删除。Even though the instance of a control is disposed of, it is still maintained in memory until it is removed from memory through garbage collection. 当释放一个控件时,不能调用其RecreateHandle方法。When a control is disposed, you cannot call its RecreateHandle method.

适用于

另请参阅