CredUIPromptForCredentials

function CredUIPromptForCredentials(

  pUiInfo: PCREDUI_INFO;

  pszTargetName: LPCTSTR;

  pContext: PCtxtHandle;

  dwAuthError: DWORD;

  pszUserName: PTSTR;

  ulUserNameBufferSize: ULONG;

  pszPassword: PTSTR;

  ulPasswordBufferSize: ULONG;

  var save: BOOL;

  dwFlags: DWORD

):DWORD;