做 個 有 趣 的 人

question:

IShellItem GetDisplayName NULL，

RPC_E_WRONG_THREAD The application called an interface that was marshalled for a different thread.

IShellItem* psiResult;

PWSTR pszFilePath = NULL;

hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);

SOL:

因為這段CDialogEventHandler 寫在獨立的.cpp file 導致此問題，所以需到這段code裡取得 GetDisplayName，再回傳

CDialogEventHandler_CreateInstance(REFIID riid, void** ppv)
{
    *ppv = NULL;

    pDialogEventHandler = new CDialogEventHandler();

...