ddeElement.new Method [AX 2012]
Initializes a new instance of the Object class.
DDETopic is the base class that handles DDE transactions in a Microsoft Dynamics AX DDE server application.
This is an abstract class that contains virtual member functions that correspond to each DDE transaction type. You should overload these member functions in a derived class, one for each topic that the system implements. The derived class is where all the programmer-defined code should reside.
The base implementation replies with a negative response on all DDE transactions. Therefore, the programmer must overload one or more of the methods in the following table.
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ddeTopic::Connect |
Optional |
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ddeTopic::Disconnect |
Optional |
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ddeTopic::Execute |
Required if the topic should support the XTYP_EXECUTE transaction |
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ddeTopic::Poke |
Required if the topic should support the XTYP_POKE transaction |
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ddeTopic::Request |
Required if the topic should support the XTYP_REQUEST transaction |