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.
Syntax
DDEhRequest(Handle, sItem)
Handle:
The integer handle that identifies the DDE conversation, returned from the DDEhInitiate function.
sItem:
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
Example
See DDEhInitiate
See Also
Published June 2018