Outlook add-in integrating Skype

#include "Sdk.h"
#include "ShUtils.h"
#include "ComUtils.h"
#include "StringMgr.h"

BOOL
ShGetIconOfApp(
    LPCWSTR AppPath, 
    HICON   *Icon,
    HICON   *IconSm
) {
    BOOL            Result              = FALSE;
    HMODULE         hSkype              = NULL;

    HRESULT         hr                  = S_FALSE;
    IShellFolder*   pDesktop            = NULL;
    IShellFolder*   pFolder             = NULL;
    WCHAR           szFolder[MAX_PATH]  = L"";
    WCHAR           szFile[MAX_PATH]    = L"";
    LPITEMIDLIST    pidlFolder          = NULL;
    LPITEMIDLIST    pidlFile            = NULL;
    IExtractIcon*   pIcon               = NULL;

    WCHAR           szIconFile[MAX_PATH]= L"";
    UINT            cchMax              = MAX_PATH;
    int             iIndex              = 0;
    UINT            wFlags              = 0;

    HICON           hIcon               = NULL;
    HICON           hIconSm             = NULL;

    __try {
        if(AppPath == NULL 
        || wcslen(AppPath) == 0 
        || Icon == NULL) {
            __leave;
        }

        PszStringCopy(szFolder, 
                      _countof(szFolder), 
                      AppPath
                     );
        if(!PathRemoveFileSpecW(szFolder)) {
            __leave;
        }

        PszStringCopy(szFile, 
                      _countof(szFile), 
                      AppPath
                     );
        PathStripPathW(szFile);

        hr = SHGetDesktopFolder(&pDesktop);
        if(FAILED(hr)) {
            __leave;
        }

        hr = IShellFolder_ParseDisplayName(pDesktop, 
                                           NULL, 
                                           NULL, 
                                           szFolder, 
                                           NULL, 
                                           &pidlFolder, 
                                           NULL
                                          );
        if(FAILED(hr)) {
            __leave;
        }
        if(pidlFolder == NULL) {
            __leave;
        }

        hr = IShellFolder_BindToObject(pDesktop, 
                                       pidlFolder, 
                                       NULL, 
                                       &IID_IShellFolder, 
                                       (void **)&pFolder
                                      );
        if(FAILED(hr)) {
            __leave;
        }
        if(pFolder == NULL) {
            __leave;
        }

        hr = IShellFolder_ParseDisplayName(pFolder, 
                                           NULL, 
                                           NULL, 
                                           szFile, 
                                           NULL, 
                                           &pidlFile, 
                                           NULL
                                          );
        if(FAILED(hr)) {
            __leave;
        }
        if(pidlFolder == NULL) {
            __leave;
        }

        hr = IShellFolder_GetUIObjectOf(pFolder, 
                                        NULL, 
                                        1, 
                                        &pidlFile, 
                                        &IID_IExtractIconW, 
                                        NULL, 
                                        (void **)&pIcon
                                       );
        if(FAILED(hr)) {
            __leave;
        }
        if(pIcon == NULL) {
            __leave;
        }

        hr = IExtractIcon_GetIconLocation(pIcon, 
                                          GIL_FORSHELL, 
                                          szIconFile, 
                                          cchMax, 
                                          &iIndex, 
                                          &wFlags
                                         );
        if(FAILED(hr)) {
            __leave;
        }

        hr = IExtractIcon_Extract(pIcon, 
                                  szIconFile, 
                                  iIndex, 
                                  &hIcon, 
                                  NULL, 
                                  MAKELONG(64, 64)
                                 );
        if(SUCCEEDED(hr)) {
            *Icon = hIcon;
        }

        hr = IExtractIcon_Extract(pIcon, 
                                  szIconFile, 
                                  iIndex, 
                                  NULL, 
                                  &hIconSm, 
                                  MAKELONG(16, 16)
                                 );
        if(SUCCEEDED(hr)) {
            *IconSm = hIconSm;
        }

        Result = TRUE;
    }
    __finally {
        if(pIcon != NULL) {
            IExtractIcon_Release(pIcon);
        }

        if(pidlFile != NULL) {
            ILFree(pidlFile);
        }
        if(pidlFolder != NULL) {
            ILFree(pidlFolder);
        }

        if(pFolder != NULL) {
            IShellFolder_Release(pFolder);
        }
        if(pDesktop != NULL) {
            IShellFolder_Release(pDesktop);
        }

        if(hSkype != NULL) {
            FreeLibrary(hSkype);
        }
    }

    return Result;
}