CExtractIcon.cpp File Reference

#include "precomp.h"

Include dependency graph for CExtractIcon.cpp:

Go to the source code of this file.

Classes
struct	IconLocation
class	CExtractIcon

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (shell)
VOID	DuplicateString (LPCWSTR Source, LPWSTR *Destination)
HRESULT WINAPI	SHCreateDefaultExtractIcon (REFIID riid, void **ppv)
EXTERN_C HRESULT WINAPI	SHCreateFileExtractIconW (_In_ LPCWSTR pszFile, _In_ DWORD dwFileAttributes, _In_ REFIID riid, _Outptr_ void **ppv)

Function Documentation

DuplicateString()

VOID DuplicateString	(	LPCWSTR	Source,
		LPWSTR *	Destination
	)

Definition at line 72 of file CExtractIcon.cpp.

{
    SIZE_T cb;
 
    if (*Destination)
        CoTaskMemFree(*Destination);
 
    cb = (wcslen(Source) + 1) * sizeof(WCHAR);
    *Destination = (LPWSTR)CoTaskMemAlloc(cb);
    if (!*Destination)
        return;
    CopyMemory(*Destination, Source, cb);
}

SHCreateDefaultExtractIcon()

HRESULT WINAPI SHCreateDefaultExtractIcon	(	REFIID	riid,
		void **	ppv
	)

Definition at line 337 of file CExtractIcon.cpp.

{
    return ShellObjectCreator<CExtractIcon>(riid, ppv);
}

Referenced by CCPLExtractIcon_CreateInstance(), CDrivesExtractIcon_CreateInstance(), CFSExtractIcon_CreateInstance(), CGuidItemExtractIcon_CreateInstance(), CNetFolderExtractIcon_CreateInstance(), CPrintersExtractIconW_CreateInstane(), SHCreateFileExtractIconW(), and SHELL_CreateShell32DefaultExtractIcon().

SHCreateFileExtractIconW()

EXTERN_C HRESULT WINAPI SHCreateFileExtractIconW	(	_In_ LPCWSTR	pszFile,
		_In_ DWORD	dwFileAttributes,
		_In_ REFIID	riid,
		_Outptr_ void **	ppv
	)

Definition at line 351 of file CExtractIcon.cpp.

{
    SHFILEINFOW shfi;
    ULONG_PTR firet = SHGetFileInfoW(pszFile, dwFileAttributes, &shfi, sizeof(shfi), SHGFI_USEFILEATTRIBUTES | SHGFI_ICONLOCATION);
    HRESULT hr = E_FAIL;
    if (firet)
    {
        CComPtr<IDefaultExtractIconInit> iconInit;
        hr = SHCreateDefaultExtractIcon(IID_PPV_ARG(IDefaultExtractIconInit, &iconInit));
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        hr = iconInit->SetNormalIcon(shfi.szDisplayName, shfi.iIcon);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        return iconInit->QueryInterface(riid, ppv);
    }
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    return hr;
}

Referenced by CZipFolder::GetUIObjectOf(), CCabFolder::GetUIObjectOf(), and CFontExt::GetUIObjectOf().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

shell

)