IRequiredExtensions::GetFirstExtension method (mmc.h)

Article
02/22/2024

The IRequiredExtensions::GetFirstExtension method enables the snap-in to specify the first extension snap-in its list of required extension snap-ins.

Syntax

HRESULT GetFirstExtension(
  [out] LPCLSID pExtCLSID
);

Parameters

[out] pExtCLSID

A pointer to the CLSID of the first snap-in in the list of required extension snap-ins.

Return value

This method can return one of these values.

Remarks

MMC calls this method if IRequiredExtensions::EnableAllExtensions returns a value that is not S_OK.

If this method returns S_OK, MMC adds the extension snap-in specified by pExtCLSID and then calls IRequiredExtensions::GetNextExtension to get the next extension snap-in in the list. If any other value is returned, MMC treats the required list as if it were empty by not adding the extension snap-in specified by pExtCLSID and not calling IRequiredExtensions::GetNextExtension.

Requirements

Requirement	Value
Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Target Platform	Windows
Header	mmc.h

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