Cicode Programming Reference > Cicode Function Categories > Dynamic Data Exchange Functions Introduction > DDEhRequest


Reads a value from an external Windows application, for example, from an Excel spreadsheet. You need to first start a conversation with the DDEhInitiate function, and use the handle returned by that function to identify the conversation.

This function is a blocking function. It will block the calling Cicode task until the operation is complete.


DDEhRequest(Handle, sItem)


The integer handle that identifies the DDE conversation, returned from the DDEhInitiate function.


A unique name for the item; for example, the variable name, field name, or spreadsheet cell position.

Return Value

A string of data, or an empty string if the function cannot read the value.

Related Functions

DDEhInitiate, DDEhExecute, DDEhPoke, DDEhTerminate, DDEhGetLastError


See DDEhInitiate

See Also

DDE Functions