void InternalPokeData(object form, string itemName, string strData)
{
Connection conn;
if (m_connections.TryGetValue(form, out conn))
{
IntPtr hszItem = DDEML.DdeCreateStringHandle(m_idInst, itemName, DDEML.CP_WINANSI);
byte [] data = Encoding.GetBytes(strData);
IntPtr hszDat = DDEML.DdeCreateDataHandle(m_idInst, data, data.Length, 0, hszItem, DDEML.CF_TEXT, 0);
uint returnFlags = 0;
DDEML.DdeClientTransaction(hszDat, -1, conn.Conv, hszItem, DDEML.CF_TEXT, DDEML.XTYP_POKE, Timeout.Infinite, ref returnFlags);
DDEML.DdeFreeStringHandle(m_idInst, hszItem);
}
}
void InternalExecuteMacro(object form, string strText)
{
Connection conn;
if (m_connections.TryGetValue(form, out conn))
{
uint idErr = 0;
byte[] data = Encoding.GetBytes(strText);
IntPtr hszDat = DDEML.DdeCreateDataHandle(m_idInst, data, data.Length, 0, IntPtr.Zero, DDEML.CF_TEXT, 0);
if (hszDat == IntPtr.Zero)
{
idErr = DDEML.DdeGetLastError(m_idInst);
}
uint returnFlags = 0;
DDEML.DdeClientTransaction(hszDat, -1, conn.Conv, IntPtr.Zero, DDEML.CF_TEXT, DDEML.XTYP_EXECUTE, Timeout.Infinite, ref returnFlags);
}
}
public void InternalRequest(object form, string itemName, out byte[] data)
{
Connection conn;
data = new byte[0];
if (m_connections.TryGetValue(form, out conn))
{
IntPtr hszItem = DDEML.DdeCreateStringHandle(m_idInst, itemName, DDEML.CP_WINANSI);
uint returnFlags = 0;
IntPtr dataHandle = DDEML.DdeClientTransaction(IntPtr.Zero, 0, conn.Conv, hszItem, DDEML.CF_TEXT, DDEML.XTYP_REQUEST, 1000, ref returnFlags);
DDEML.DdeFreeStringHandle(m_idInst, hszItem);
if (dataHandle != IntPtr.Zero)
{
uint length = DDEML.DdeGetData(dataHandle, null, 0, 0);
data = new byte[length];
length = DDEML.DdeGetData(dataHandle, data, (uint)data.Length, 0);
// Free the data handle created by the server.
DDEML.DdeFreeDataHandle(dataHandle);
}
}
}