INameSpaceTreeControlEvents::OnItemStateChanging method

Called before the state of an item changes.

Syntax


HRESULT OnItemStateChanging(
  [in] IShellItem    *psi,
  [in] NSTCITEMSTATE nstcisMask,
  [in] NSTCITEMSTATE nstcisState
);

Parameters

psi [in]

Type: IShellItem*

A pointer to the Shell item for which the state is going to change.

nstcisMask [in]

Type: NSTCITEMSTATE

One or more values from the NSTCITEMSTATE enumeration that indicate which pieces of information the calling application wants to set.

nstcisState [in]

Type: NSTCITEMSTATE

One or more values from the NSTCITEMSTATE enumeration that indicate the values that are to be set.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Shobjidl.h

IDL

Shobjidl.idl

 

 

Show: