CredUICmdLinePromptForCredentialsA

function CredUICmdLinePromptForCredentialsA(

  pszTargetName: PCSTR;

  pContext: PCtxtHandle;

  dwAuthError: DWORD;

  UserName: PSTR;

  ulUserBufferSize: ULONG;

  pszPassword: PSTR;

  ulPasswordBufferSize: ULONG;

  pfSave: PBOOL;

  dwFlags: DWORD

):DWORD;