Hi MrSpock,
After some further tests on my local XP environment, I think this should be
a envionement specific problem since a typical VB.NET winform app with
single instance flag turned on can run correctly on XP box.
Thanks,
Steven Cheng
Microsoft Online Support
Get Secure!
www.microsoft.com/security
(This posting is provided "AS IS", with no warranties, and confers no
rights.)
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| From:
st*****@online.microsoft.com (Steven Cheng[MSFT])
| Organization: Microsoft
| Date: Wed, 30 Nov 2005 09:50:18 GMT
| Subject: RE: VS2005: "Make single instance application"
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| Thanks for your response MrSpock,
|
| I don't think this will be a existing or by design behavior for XP
| platform.. I'll try perform some further test in my local envionrment
and
| let you know my result soon.
|
| Regards,
|
| Steven Cheng
| Microsoft Online Support
|
| Get Secure!
www.microsoft.com/security
| (This posting is provided "AS IS", with no warranties, and confers no
| rights.)
|
|
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| | Thread-Topic: VS2005: "Make single instance application"
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| <ek**************@TK2MSFTNGXA02.phx.gbl>
| | Subject: RE: VS2005: "Make single instance application"
| | Date: Tue, 29 Nov 2005 11:30:03 -0800
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| |
| | Thanks for your answer, Mr Cheng.
| |
| | My first test was performed on WinXP SP2 with .NET 2.0.
| |
| | Today I did a clean install of VS2005 on another dev box (WinXP SP2,
..NET
| | 2.0). I got the same error this time!
| |
| | Later I copied the same executable to another box running Win2k3. No
| errors
| | this time!
| |
| | I suppose the "single instance" option isn't fully functional on WinXP,
| right?
| |
| | Best regards,
| |
| | MrSpock
| |
| |
| | "Steven Cheng[MSFT]" wrote:
| |
| | > Hi MrSpock,
| | >
| | > Regarding on the VB.NET single instance winform application problem,
| I've
| | > just performed some tests on my local side(win2k3server .net 2.0
| vs2005),
| | > seems I can not reproduce the
| | > ===========
| | > Debug info: "Unhandled exception at 0x00e149fd in
| WindowsApplication1.exe:
| | > 0xC0000005: Access violation writing location 0x00000000."
| | > ===========
| | >
| | > error by try launching the winform app(exe) multiple times. I'm not
| sure
| | > whether there're any other particular steps when you reproduce this
| | > behavor? My test winform is just a simple application with a empty
| form in
| | > it. In addition, have you tried this on some other dev box to see
| whether
| | > you also encounter this error?
| | >
| | > Thanks,
| | >
| | > Steven Cheng
| | > Microsoft Online Support
| |
|
|
