IActionProgress::QueryCancel method (shobjidl_core.h)
Provides information about whether the action is being canceled.
Syntax
HRESULT QueryCancel(
[out] BOOL *pfCancelled
);
Parameters
[out] pfCancelled
Type: BOOL*
A reference to a BOOL value that specifies whether the action is being canceled.
Return value
Type: HRESULT
Return S_OK if successful, or an error value otherwise.
Remarks
Call this method when a process must know whether an action has been canceled. Implementing this method requires the implementing class to query either an internal or external flag to provide this information, and store the result in the value of pfCancelled.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | shobjidl_core.h (include Shobjidl.h) |
| DLL | Shobjidl.idl |