Com Programming in Free Pascal

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Overview

COM is a Windows only technology used for communicating with external code. COM is e.g. used in ActiveX.

Bug reports about COM

See Open Mantis items with COM tag .

Some of these also have nice demos attached. See also closed bug Issue #0014204.

Urls

  1. http://delphi.about.com/library/weekly/aa121404b.htm
  2. http://www.codeproject.com/KB/atl/udtdemo.aspx
  3. http://edndoc.esri.com/arcobjects/9.1/ExtendingArcObjects/Ch02/TypeLibrariesAndIDL.htm
  4. http://delphi.about.com/library/weekly/aa121404a.htm
  5. http://www.codeproject.com/KB/atl/udtdemo.aspx
  6. http://www.codeproject.com/KB/atl/com_atl.aspx
  7. http://www.codeproject.com/KB/atl/RegistryMap.aspx
  8. http://www.techvanguards.com/stepbystep/comdelphi/server.asp
  9. http://www.techvanguards.com/com/tutorials/tips.asp
  10. http://docs.embarcadero.com/products/rad_studio/radstudio2007/RS2007_helpupdates/HUpdate4/EN/html/delphivclwin32/ComObj.html
  11. http://docs.embarcadero.com/products/rad_studio/radstudio2007/RS2007_helpupdates/HUpdate4/EN/html/delphivclwin32/ComServ.html

TODO

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Warning: This section has not been updated in a long time. Please verify if this is still correct

  • reference counting is not working (DllCanUnloadClass returns 1)
  • load/register typelib
  • register/unregister (incomplete implementation from visual studio RGS sample file)
  • integrate WIDL.exe (wine version of MIDL)
  • finish TTypedComObject
  • create TAutoObject
  • implement tlbimp.exe
  • port to linux as NPAPI wrapper (just partially kidding ;) as base you can us my updated NPAPI scripting code (https://www.mozdev.org/bugs/show_bug.cgi?id=8708) [^] - already working with FPC (similar entry point functions as in COM) :)
  • integrate MIDL.exe (wine old version of MIDL has an incorrect output format :( )
  • try building latest WIDL -> report bugs to wine
  • create TAutoObject
  • finish tlbimp.exe (bug 0014802)
  • TEST, TEST, TEST :) serious