Why Microsoft dropped COM
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
Thanks Joao. I only ran through it as I couldn't really understand all the hard theoiry. But good reading anyway. Nish_
One little CD gone, Then two CDs gone, Then 5 more gone, For a total 7 gones, If I was a CD R, I'd wanna cry, Cause I'd be just a goner, For a nasty CD burner. [funny how frustration wakes up the poet in me]_
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
my head hurts. ouch. COM sucks. i'm glad MS is finally de-emphasizing it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
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Thanks Joao. I only ran through it as I couldn't really understand all the hard theoiry. But good reading anyway. Nish_
One little CD gone, Then two CDs gone, Then 5 more gone, For a total 7 gones, If I was a CD R, I'd wanna cry, Cause I'd be just a goner, For a nasty CD burner. [funny how frustration wakes up the poet in me]_
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
Hi Joao, As you know, Brian added this to the first edition of Inside C# - we've since gone into more detail in the second edition. However, it's definitely still relevant and something that people new to .NET need to understand. Great post!! Cheers, Tom Archer Author, Inside C# Please note that the opinions expressed in this correspondence do not necessarily reflect the views of the author.
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my head hurts. ouch. COM sucks. i'm glad MS is finally de-emphasizing it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
Chris Losinger wrote: COM sucks Well, telling the truth, I don't dislike COM , but well I don't dislike GC either(neither I love it), but it will help the lazy programmers that didn't like to call delete neither using auto_ptr neither smart pointers neither ... but one thing for certain, it will help to end referencing counting debugging nightmares ... Cheers, Joao Vaz Unhappy TCL programmer
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Hi Joao, As you know, Brian added this to the first edition of Inside C# - we've since gone into more detail in the second edition. However, it's definitely still relevant and something that people new to .NET need to understand. Great post!! Cheers, Tom Archer Author, Inside C# Please note that the opinions expressed in this correspondence do not necessarily reflect the views of the author.
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my head hurts. ouch. COM sucks. i'm glad MS is finally de-emphasizing it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
Chris Losinger wrote: COM sucks. i'm glad MS is finally de-emphasizing it. Really? I love COM, but it took me a while to get to grips with it. It finally all made sense after reading Essential COM. I'm sad to see it go, but as least it has evolved rather than been made extinct. Michael :-)
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
I was under the impression that COM has not disappeared, but that ".NET" is actually based on COM+? Am I wrong? -- Paul "I drank... WHAT?"
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my head hurts. ouch. COM sucks. i'm glad MS is finally de-emphasizing it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
Chris Losinger wrote: COM sucks. Is it that
COMitself sucks, or that the ways in which it is most commonly (mis)used sucks? IME, it has usually been more of the latter. Peace! -=- James. -
Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
It should read "Why MS didn't use COM's ref counting for GC" Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk?
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I was under the impression that COM has not disappeared, but that ".NET" is actually based on COM+? Am I wrong? -- Paul "I drank... WHAT?"
If I'm correct it only uses COM+ in System.Enterprise Services using the interop services and in fewer windows apis ... Now unless you use a global shared assembly, to deploy your project you simply need to xcopy the files(in theory)..., no more registration errors ... Also since the .NET framework uses GC , using a generational algorithm , it simply doesn't need the IUnknown methods at all , so no COM, unless it needs to interact with COM apis ... Cheers, Joao Vaz Unhappy TCL programmer
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Chris Losinger wrote: COM sucks. Is it that
COMitself sucks, or that the ways in which it is most commonly (mis)used sucks? IME, it has usually been more of the latter. Peace! -=- James.i dislike the fact that it's not a real OO system - no virtual functions, in particular. the ref counting stuff is a nightmare, even with smart pointers. blah. get rid of it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
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It should read "Why MS didn't use COM's ref counting for GC" Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk?
Yup, you have right, my title is incomplete, but I confess that I was lazy to write the rest... but although, the title well is incomplete ... it worked well, since some people fully readed the article and one guy rightly claimed that was incomplete, so it achieved his goals ... Cheers, Joao Vaz Unhappy TCL programmer
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Nice read to understand the reasoning behind no deterministic finalization and garbage collection that Microsoft uses with .NET . The Why of GC Cheers, Joao Vaz Unhappy TCL programmer
Though I understand why MS had to adopt GC (and drop deterministic finalization) for inter-language interoperability, I will equally miss a lot the plain C++ style deterministic finalization through creating class instances on the stack (such as CMyDialog dlg; instead of CMyDialog* pDlg = new CMyDialog(); ). It’s just so handy. With .NET, the only way I can use a class object is by creating that using 'new' operator. // Fazlul
Get RadVC today! Play RAD in VC++ http://www.capitolsoft.com
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Yup, you have right, my title is incomplete, but I confess that I was lazy to write the rest... but although, the title well is incomplete ... it worked well, since some people fully readed the article and one guy rightly claimed that was incomplete, so it achieved his goals ... Cheers, Joao Vaz Unhappy TCL programmer
Heh Tim Smith I know what you're thinking punk, you're thinking did he spell check this document? Well, to tell you the truth I kinda forgot myself in all this excitement. But being this here's CodeProject, the most powerful forums in the world and would blow your head clean off, you've got to ask yourself one question, Do I feel lucky? Well do ya punk?
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my head hurts. ouch. COM sucks. i'm glad MS is finally de-emphasizing it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
Chris Losinger wrote: COM sucks I agree. COM was a hack from the start. Not without its uses perhaps, but certianly over sold and over used. If .Net manages to kill it, all the better. "There's a slew of slip 'twixt cup and lip"
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i dislike the fact that it's not a real OO system - no virtual functions, in particular. the ref counting stuff is a nightmare, even with smart pointers. blah. get rid of it. -c
Conscience is what hurts when everything else feels good. Smaller Animals Software, Inc.
Chris Losinger wrote: i dislike the fact that it's not a real OO system Maybe I am being a bit pedantic here, but I was under the impression that
COMwas supposed to be a Component system (and a binary-hack at that), not a full-blown OO system... :) Methinks problems start when people treat COM like a full-blown OO system. Chris Losinger wrote: the ref counting stuff is a nightmare, even with smart pointers. [...] blah. get rid of it. True as hell! I agree on both points! :) Peace! -=- James. -
Though I understand why MS had to adopt GC (and drop deterministic finalization) for inter-language interoperability, I will equally miss a lot the plain C++ style deterministic finalization through creating class instances on the stack (such as CMyDialog dlg; instead of CMyDialog* pDlg = new CMyDialog(); ). It’s just so handy. With .NET, the only way I can use a class object is by creating that using 'new' operator. // Fazlul
Get RadVC today! Play RAD in VC++ http://www.capitolsoft.com
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Chris Losinger wrote: COM sucks. i'm glad MS is finally de-emphasizing it. Really? I love COM, but it took me a while to get to grips with it. It finally all made sense after reading Essential COM. I'm sad to see it go, but as least it has evolved rather than been made extinct. Michael :-)