SHLoadLibraryFromKnownFolder function (shobjidl_core.h)

Article
02/22/2024

Creates and loads an IShellLibrary object for a specified known folder ID.

Syntax

HRESULT SHLoadLibraryFromKnownFolder(
  [in]  REFKNOWNFOLDERID kfidLibrary,
  [in]  DWORD            grfMode,
  [in]  REFIID           riid,
  [out] void             **ppv
);

Parameters

[in] kfidLibrary

Type: REFKNOWNFOLDERID

The KNOWNFOLDERID value that identifies the known folder to load into the IShellLibrary object.

[in] grfMode

Type: DWORD

One or more storage medium flags that specify access and sharing modes for the library object. Commonly specified flags are STGM_READ or STGM_READWRITE. For more information, see STGM.

[in] riid

Type: REFIID

The IID for IShellLibrary. (See Remarks for more information.)

[out] ppv

Type: void**

When this function returns successfully, receives the loaded IShellLibrary object. (See Remarks for more information.)

Return value

Type: HRESULT

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

Remarks

This is an inline helper function that wraps the IShellLibrary::LoadLibraryFromKnownFolder method.

Usage

The IID_PPV_ARGS macro is generally used to generate the riid and ppv parameters for this function. For an example, see SHCreateLibrary.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	shobjidl_core.h (include Shobjidl.h)

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