public class MyResourceRelease: IDisposable
{
/// 保证资源只用释放一次
private bool _alreadyDisposed = false;
/// 用来判断释放资源的类别(托管和非托管)
protected virtual void Dispose(bool isDisposing)
{
if(_alreadyDisposed)
{
return;
}
if(isDisposing)
{
//释放托管资源
}
//释放非托管资源
_alreadyDisposed = true;
}
public void Dispose()
{
Dispose(true);
}
}
public class MyDerivedResource: MyResourceRelease
{
private bool _disposed = false;
protected override void Dispose(bool isDisposing)
{
if(_disposed)
{
return;
}
try
{
if(isDisposing)
{
//释放托管资源
}
//释放非托管资源
_disposed = true;
}
finally
{
base.Dispose(isDisposing);
}
}
}
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