Control.Dispose(Boolean) 方法
定義
protected:
override void Dispose(bool disposing);
protected override void Dispose (bool disposing);
override this.Dispose : bool -> unit
Protected Overrides Sub Dispose (disposing As Boolean)
參數
- disposing
- Boolean
true
表示釋放 Managed 和 Unmanaged 資源,false
則表示只釋放 Unmanaged 資源。true
to release both managed and unmanaged resources; false
to release only unmanaged resources.
備註
這個方法是由公用 Dispose()
方法和 Finalize 方法所呼叫。 Dispose()
This method is called by the public Dispose()
method and the Finalize method.Dispose()
叫用受保護的 Dispose(Boolean)
方法,並將 disposing
參數設定為 true
。invokes the protected Dispose(Boolean)
method with the disposing
parameter set to true
. Finalize 會叫用 Dispose
,並將 disposing
設定為 false
。Finalize invokes Dispose
with disposing
set to false
.
disposing
參數為 true
時,這個方法會釋放 Control 參考的任何 Managed 物件所掌握的資源。When the disposing
parameter is true
, this method releases all resources held by any managed objects that this Control references. 這個方法會叫用每個參考物件的 Dispose()
方法。This method invokes the Dispose()
method of each referenced object.
給繼承者的注意事項
Dispose
可以被其他物件呼叫多次。
Dispose
can be called multiple times by other objects. 當覆寫 Dispose(Boolean)
時,請小心不要參考先前在呼叫 Dispose
之前處置過的物件。When overriding Dispose(Boolean)
be careful not to reference objects that have been previously disposed of in an earlier call to Dispose
. 如需如何執行 Dispose(Boolean)
的詳細資訊,請參閱[執行 Dispose 方法](~/docs/standard/garbage-collection/implementing-dispose.md)。For more information about how to implement Dispose(Boolean)
, see [Implementing a Dispose Method](~/docs/standard/garbage-collection/implementing-dispose.md).
如需 Dispose
和 Finalize() 的詳細資訊,請參閱[清除非受控資源](~/docs/standard/garbage-collection/unmanaged.md)和覆[寫 Finalize 方法](https://docs.microsoft.com/previous-versions/dotnet/netframework-4.0/ddae83kx(v=vs.100))。For more information about Dispose
and Finalize(), see [Cleaning Up Unmanaged Resources](~/docs/standard/garbage-collection/unmanaged.md) and [Overriding the Finalize Method](https://docs.microsoft.com/previous-versions/dotnet/netframework-4.0/ddae83kx(v=vs.100)).