VB.NET
Dim Ret, Cmd(31), Srlen As Integer
Dim Fname As String
Fname = "A:\\ABC.DAT" ' File name
Cmd(0) = 2 ' Number of talkers and listeners
Cmd(1) = 3
Cmd(2) = 1
Srlen = Len(Fname) ' File name length
Ret = GpRfile(Cmd, Srlen, Fname)
C
DWORD Ret, Cmd[31], Srlen;
char Fname[] = "A:\\ABC.DAT"; /* File name */
Cmd[0] = 2; /* Number of talkers and listeners */
Cmd[1] = 3;
Cmd[2] = 1;
Srlen = lstrlen(Fname); /* File name length */
Ret = GpRfile(Cmd, Srlen, Fname);
C#
uint Ret, Srlen;
uint[] Cmd = new uint[31];
string Fname = "A:\\ABC.DAT"; /* File name */
Cmd[0] = 2; /* Number of talkers and listeners */
Cmd[1] = 3;
Cmd[2] = 1;
Srlen = Fname.Length; /* File name length */
Ret = gpib.Rfile(Cmd, Srlen, Fname);
Python
Ret, Srlen, Cmd = ctypes.c_ulong(), ctypes.c_ulong(), (ctypes.c_ulong * 31)()
Fname = "A:\\ABC.DAT" # File name
Cmd[0] = 2 # Number of talkers and listeners
Cmd[1] = 3;
Cmd[2] = 1;
Srlen.value = len(Fname) # File name length
Ret.value = GpibPy.GpRfile(Cmd, Srlen, Fname)