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QuestionC#: Fixed Function ID in COM DLL Pin
DoxMan21-Apr-15 0:52
DoxMan21-Apr-15 0:52 
I have built a COM DLL with a number of functions in version 1:
- OnlineAvailCheck_V2 --> first public function
- DownloadProductInfo_V2 --> second public function
- DownloadPriceInfo_V2 --> third public function
The COM DLL is called from an external application; the functions appear in the same order as shown above.
In version 2, the DownloadProductInfo function has become obsolete, and needs to be replaced by V31
- OnlineAvailCheck_V2 --> first public function
- DownloadProductInfo_V2 --> becomes private
- DownloadPriceInfo_V2 --> second public function
- DownloadProductInfo_V31 --> third public function
If I make the V2 function private (because it must no longer be used), the external application makes a shift in the code: all references to DownloadProductInfo_V2 are now replaced by references to the third public function, i.e. DownloadPriceInfo_V2 function.

Is there any way I can give a fixed sequence number to the functions, so that I can avoid the shift? Or is there any other way to deal with this? Thank you.
Dox Girl, where are you?

AnswerRe: C#: Fixed Function ID in COM DLL Pin
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QuestionIoleUndoManager with Excel application Pin
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QuestionEXCEL - Hooking Excel VTABLE Pin
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SuggestionHow to reference IWshRuntimeLibrary Pin
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QuestionDCOM CLASSNOTREG error Pin
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