IWiaItemExtras::CancelPendingIO method (wia_xp.h)
The IWiaItemExtras::CancelPendingIO method cancels all pending input/output operations on the driver.
Syntax
HRESULT CancelPendingIO();
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Drivers are not required to support this method.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional, Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | wia_xp.h (include Wia.h) |
Library | Wiaguid.lib |
DLL | Wiaservc.dll |