CredUICmdLinePromptForCredentials

function CredUICmdLinePromptForCredentials(

  pszTargetName: LPCTSTR;

  pContext: PCtxtHandle;

  dwAuthError: DWORD;

  UserName: PTSTR;

  ulUserBufferSize: ULONG;

  pszPassword: PTSTR;

  ulPasswordBufferSize: ULONG;

  pfSave: PBOOL;

  dwFlags: DWORD

):DWORD;