Default DDE Commands - These commands should be supported by your application.
+-------------------------------------------+---------------------------------------------+
| Server Command                            | Server Response                             |
+-------------------------------------------+---------------------------------------------+
| Server.Rev?                               | Return the revision of the DDE Server.      |
| Server.Terminate                          | Terminate the server if no clients are      |
|                                           | using it.                                   |
| Server.HostApp.Name?                      | Returns the host application name that the  |
|                                           | server form is running on.                  |
| Server.HostApp.Rev?                       | Returns the revision of the host app.       |
| Server.HostApp.Visible=(True/False)       | Shows or hides the server.                  |
| Server.HostApp.Visible?                   | Returns the current visiblility of the host |
|                                           | application.
+-------------------------------------------+---------------------------------------------+

AD9956 Evaluation Software DDE Commands
+-------------------------------------------+---------------------------------------------+
| Server Command                            | Server Response                             |
+-------------------------------------------+---------------------------------------------+
| RefClkD1=(Value)                          | Sets the RefClk value for DUT1 on the       |
|                                           | control window.                             |
| RefClkD1?                                 | Returns the RefClk value for DUT1.          |
| RefClkD2=(Value)                          | Sets the RefClk value for DUT2 on the       |
|                                           | control window.                             |
| RefClkD2?                                 | Returns the RefClk value for DUT2.          |
| Freq0D1?                                  | Returns the value of Frequency0 for DUT1.   |
| Freq0D1=(Value)                           | Sets the value of Frequency0 for DUT1.      |
| Freq0D2?                                  | Returns the value of Frequency0 for DUT2.   |
| Freq0D2=(Value)                           | Sets the value of Frequency0 for DUT2.      |
+-------------------------------------------+---------------------------------------------+
