IVsChangeTrackingUndoManager.QueryCleanState(Int32) 方法

定义

确定文档是否处于未修改状态。

public:
 int QueryCleanState([Runtime::InteropServices::Out] int % pfClean);
int QueryCleanState([Runtime::InteropServices::Out] int & pfClean);
public int QueryCleanState (out int pfClean);
abstract member QueryCleanState : int -> int
Public Function QueryCleanState (ByRef pfClean As Integer) As Integer

参数

pfClean
Int32

[out] 如果为 true,则表示文档处于未修改状态。

返回

Int32

如果该方法成功,则它会返回 S_OK。 如果该方法失败,则会返回错误代码。

注解

COM 签名

从 textmgr:

HRESULT IVsChangeTrackingUndoManager::QueryCleanState(  
   [out] BOOL *pfClean  
);  

适用于