diff -r ebc84c812384 -r 46218c8b8afa Symbian3/PDK/Source/GUID-895A685E-83E8-51A3-A823-3A0E07B1E609.dita --- a/Symbian3/PDK/Source/GUID-895A685E-83E8-51A3-A823-3A0E07B1E609.dita Thu Mar 11 15:24:26 2010 +0000 +++ b/Symbian3/PDK/Source/GUID-895A685E-83E8-51A3-A823-3A0E07B1E609.dita Thu Mar 11 18:02:22 2010 +0000 @@ -1,51 +1,51 @@ - - - - - -Exporting -the Implementation Factories

An implementation collection gathers one or more interface implementations -in a DLL. It provides necessary information to the plug-in framework to use -them. The collection must export a single function that provides an array. -This array maps the UID of each implementation it contains with a pointer -to its factory instantiation function (NewL() in our example).

- - -Define a UID for each implementation. This UID maps to the instantiation -function of the implementation. Construct an array of UID's for all the implementations -in the collection. -// Define the interface UIDs -const TImplementationProxy ImplementationTable[] = - { - {{0x10009DC3}, CImplementationClassOne::NewL();}, - {{0x10009DC4}, CImplementationClassTwo::NewL();} - }; - } - - -The signature of this exported function must be: -const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount); - - -The exported function returns a pointer to an array of TImplementationProxy objects. - - -Each TImplementationProxy contains a UID and a function -pointer. - aTableCount should be set to the number of items in -the array. -EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) - { - aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); - - return ImplementationTable; - } - - + + + + + +Exporting +the Implementation Factories

An implementation collection gathers one or more interface implementations +in a DLL. It provides necessary information to the plug-in framework to use +them. The collection must export a single function that provides an array. +This array maps the UID of each implementation it contains with a pointer +to its factory instantiation function (NewL() in our example).

+ + +Define a UID for each implementation. This UID maps to the instantiation +function of the implementation. Construct an array of UID's for all the implementations +in the collection. +// Define the interface UIDs +const TImplementationProxy ImplementationTable[] = + { + {{0x10009DC3}, CImplementationClassOne::NewL();}, + {{0x10009DC4}, CImplementationClassTwo::NewL();} + }; + } + + +The signature of this exported function must be: +const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount); + + +The exported function returns a pointer to an array of TImplementationProxy objects. + + +Each TImplementationProxy contains a UID and a function +pointer. + aTableCount should be set to the number of items in +the array. +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) + { + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); + + return ImplementationTable; + } + + \ No newline at end of file