CompatFlagsFromClsid function

Artikel
07/13/2016

Reads the Microsoft ActiveX Compatibility registry entries for the specified ActiveX control.

Syntax

HRESULT CompatFlagsFromClsid(
   CLSID   *pclsid,
   LPDWORD pdwCompatFlags,
   LPDWORD pdwMiscStatusFlags
);

Parameters

pclsid
A pointer to the CLSID of the ActiveX control.
pdwCompatFlags
Receives a value from the COMPAT enumeration. This parameter returns a value of zero if the entry is missing from the registry.
pdwMiscStatusFlags
Receives a value from the OLEMISC enumeration. This parameter returns a value of zero if the entry is missing from the registry.

Return value

Returns one of the following values.

Return code	Description
S_OK	Indicates that zone elevation is disallowed.
S_FALSE	Indicates that the registry entry cannot be found.
E_INVALIDARG	Indicates that pclsid, pdwCompatFlags, or pdwMiscStatusFlags is NULL.

Remarks

The CompatFlagsFromClsid function was introduced in Microsoft Internet Explorer 6 for Windows XP Service Pack 2 (SP2).

The compatibility registry keys for ActiveX controls can be found at HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\ActiveX Compatibility in the registry.

This function is used by IMoniker::BindToObject to determine whether an ActiveX control can be created.

Requirements

Minimum supported client	Windows XP with SP2
Minimum supported server	Windows Server 2003
Product	Internet Explorer 6.0
Header	Urlmon.h
Library	Urlmon.lib
DLL	Urlmon.dll

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