Line 21: Class MSCommLib.MSComm of control COM was not a loaded control class.
Line 24: The property name _ExtentX in COM is invalid.
Line 25: The property name _ExtentY in COM is invalid.
Line 26: The property name _Version in COM is invalid.
Line 27: The property name CommPort in COM is invalid.
Line 28: The property name DTREnable in COM is invalid.
