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Couple questions about a procedure in a class definition
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23/08/2007 17:00:38
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
 
 
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Forum:
Visual FoxPro
Catégorie:
Classes - VCX
Titre:
Couple questions about a procedure in a class definition
Versions des environnements
Visual FoxPro:
VFP 8 SP1
Divers
Thread ID:
01250023
Message ID:
01250023
Vues:
60
Couple questions as to what this procedure is doing. It works, but I'm not sure about the "@strData" in the GETDATA. Is that a variable by reference? So that after GETDATE runs, the value of strData is returned? Also, why the "SPACE(256)" line? Is it to define it as a string, or to define the length, or both? It works with strings much larger than 256, so I'm just curious what the purpose is. Thanks!
	PROCEDURE DMSWinsockControlEvents_DataArrival(bytesTotal AS NUMBER) AS VOID ;
		HELPSTRING "Occurs when data has been received from the remote computer"

		strData = SPACE(256)  && Define string to pass to GetData

		THIS.oSock.GETDATA(@strData)

		? strData

	ENDPROC
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