private void readAsyncB_Click(object sender, EventArgs e)
{
PLC p = SelectedPLC;
if (p == null)
{
return;
}
int offset = (int)rwOffsetNUD.Value;
int len = (int)rwLenNUD.Value;
p.BeginRead(offset, len, new AsyncCallback(readAsyncHandler), p);
}
public void ReadWriteRawAsyncTest()
{
const int INT_COUNT = 200;
MemoryStream ms = new MemoryStream(INT_COUNT * 4);
BinaryWriter bw = new BinaryWriter(ms);
for (int i = 0; i < INT_COUNT; i++)
{
bw.Write(i * 2);
}
IAsyncResult ar = plc.BeginWriteRaw(0, ms.GetBuffer(), null, null);
ar.AsyncWaitHandle.WaitOne();
plc.EndWrite(ar);
ar = plc.BeginRead(0, INT_COUNT * 4, null, null);
ar.AsyncWaitHandle.WaitOne();
BinaryReader br = plc.EndRead(ar);
for (int i = 0; i < INT_COUNT; i++)
{
Assert.AreEqual(i * 2, br.ReadInt32());
}
}
