C / C++ / MFC

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HKCR\.fs = Nelek.Document<br />
HKCR\Nelek.Document\shell\open\command = NELEK.EXE %1<br />
HKCR\Nelek.Document\shell\open\ddeexec = [open("%1")]<br />
HKCR\Nelek.Document\shell\open\ddeexec\application = NELEK<br />
HKCR\Nelek.Document = Nelek Document <br />

<code>HKCR\.fs = FPS.Document</code>  //<-- OK with what David told me
HKCR\.fs\ShellNew -> (Standard) REG_SZ (Value not given)  //I guess is automatic, but dont know if it is ok
HKCR\.fs\ShellNew -> NullFile REG_SZ     //the value field is empty
;
HKCR\Applications\FPS.exe\shell\... //open, print and printto, with the same values of below (I have later found it)

HKCR\FPS.Document-> (Standard) REG_SZ FuzzyProjektierungsSystem // (QUESTION 1)
HKCR\FPS.Document\DefaultIcon-> (Standard) REG_SZ C:\PROGRA~1\FPS\FPSII.exe,1 // I guess ok, the icon comes
HKCR\FPS.Document\shell\open\command -> (Standard) REG_SZ C:\PROGRA~1\FPS\FPSII.exe /dde // Here it differs of the answer that David told me. (QUESTION 2)
<code>HKCR\FPS.Document\shell\open\ddeexec-> [open("%1")]</code> //Same as David told me
//The third line of David's answer is missing (QUESTION 3)
HKCR\FPS.Document\shell\...  //"print" and "printto", with both values "command" and "ddeexec" equal to the "open"
;
//Many entries in the current user about the MRU, not relevant
;
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.fs -> Empty
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.fs\OpenWithList->a REG_SZ FPSII.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.fs\OpenWithList->b REG_SZ FPS.exe (An old version, it wont be used at all)
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.fs\OpenWithList->MRU REG_SZ ab
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.fs\OpenWithProgids->FPS.Document REG_NONE (Binary value of the length NULL)
;
//More entries in StartMenu, MUICACHE and other non relevant points
;
HKLM\SOFTWARE\Classes\.fs->(Standard) REG_SZ FPS.Document
HKLM\SOFTWARE\Classes\Applications\FPSII.exe\shell\... "open, print, printto" with same values as above
HKLM\SOFTWARE\Classes\FPS.Document\... The same as above in HKCR\FPS.Document

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"PATH_AND_FILENAME.fs" could not be found. Ensure that the name was correctly given and repeat the operation. Click on "Start" and on "Search" option to look for files<br />

Greetings.

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M.D.V.

If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?

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