VB.NET
Dim Ret, Timeout As Integer
Timeout = 100 ' 1(mSec) * 100 = 100(mSec)
Ret = GpWaittime(Timeout)
C
DWORD Ret, Timeout;
Timeout = 100; /* 1(mSec) * 100 = 100(mSec) */
Ret = GpWaittime(Timeout);
C#
uint Ret, Timeout;
Timeout = 100; /* 1(mSec) * 100 = 100(mSec) */
Ret = gpib.Waittime(Timeout);
Python
Ret, Timeout = ctypes.c_ulong(), ctypes.c_ulong()
Timeout.value = 100 # 1(mSec) * 100 = 100(mSec)
Ret.value = GpibPy.GpWaittime(Timeout)