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I am writing a middleware library in .Net which will be invoking Web services and respond back to VB6 legacy applications with the service output.
So far I have made the assembly as ComVisible without generating strong-name for it.
The .Net dll will be used to generate a type library (.tlb) which can be added in Project References of the VB6 application and used to invoke the services.
Using regasm tool, the TLB file is generated fine and registered to the local registry.
I first registered the TLB from local system drive and everything worked fine.
Now the system constraint is that, the assembly and type library cannot be stored in end-user machines.
So I need to map to a network drive and register the TLB from there.
The regasm tool registers it from network drive also, but the VB6 application is not able to access the classes in .Net
Command used: WINDIR%\Microsoft.Net\Framework\v2.0.50727\regasm <dllname> /tlb /codebase <network folder path>
Whenever i try to create new object, it is throwing error '430-Automation error. Class does not support the expected interface'.
So I want to know how to resolve this issue?
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I just can't seem to get this right.
I have a Com Class written in VB.Net that brings up a form where users can enter information.
I have a delphi program that opens this class and it shows the form fine.
The problem I have is with events raised in the Com Class. It just does not get fired in delphi, although I can assign it to a procedure.
Has anybody managed to do this?
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You may be better posting this question in the Delphi forum.
Veni, vidi, abiit domum
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Hi,
Here is the scenario.
IE9 loads a com activex, when an activex method is called, in the method it launches another com exe (registerless using manifest), cocreates and get the interface pointer then calls a method of that interface.
I am able to launch, cocreate and get interface pointer but when the method of that interface is called the following error is returned. "The group or resource is not in the correct state to perform the requested operation"
Can someone help me on this please?
Regards,
Hari
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Hi
I am re-posting this as due to continued efforts I have not come up a solution to the bug
COleVariant
covTrue((short)TRUE),
covFalse((short)FALSE),
covOptional((long)DISP_E_PARAMNOTFOUND, VT_ERROR);
CApplication app;
CWorkbooks books;
CWorkbook book;
app.CreateDispatch(TEXT("Excel.Application"));
books = app.get_Workbooks();
COleVariant myvar;
myvar.vt = VT_I4;
myvar.lVal = NULL;
COleVariant Orgin((short)2),
StartRow((short)1),
DataType((short)1),
ConsecutiveDelimter((short) FALSE, VT_BOOL),
TAB((short) FALSE, VT_BOOL),
Semicolon((short) FALSE, VT_BOOL),
Comma((short) FALSE, VT_BOOL),
Space((short) FALSE, VT_BOOL),
Other((short) FALSE, VT_BOOL),
OtherChar((short) FALSE, VT_BOOL),
FieldInfo((short) FALSE, VT_BOOL),
TextVisualLayout((short) FALSE, VT_BOOL),
DecimalSeprator((short) FALSE, VT_BOOL),
ThousandSeprator((short) FALSE, VT_BOOL),
TrailingMinusNumbers((short) FALSE, VT_BOOL),
Local((short) FALSE, VT_BOOL);
books.OpenText(L"C:\\PATH1\\PATH2\\PATH2\\FILE.TXT,
Orgin,
StartRow,
DataType,
myvar.lVal,
ConsecutiveDelimter,
TAB,
Semicolon,
Comma,
Space,
Other,
OtherChar,
FieldInfo,
TextVisualLayout,
DecimalSeprator,
ThousandSeprator,
TrailingMinusNumbers,
Local);
After executing
SCODE sc = m_lpDispatch->Invoke(dwDispID, IID_NULL, 0, wFlags,
&dispparams, pvarResult, &excepInfo, &nArgErr);
sc = 80020009 and execpInfo.scode = 0X800A03EC
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I am trying to load the
.txt file specified in the first parameter of the OpenText API
And for some reason I get the feeling the source of the error
Is its not finding the file
I tried various variations on the file name as just specifying the file and having it in a directory
That's in the path variable but I still get the same error
Thanks
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Are you sure the function requires a Unicode string for the filename?
Veni, vidi, abiit domum
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I was told that automation functions
That take variant types in this case VT_BSTR a variant string are always unicode
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I have not managed to find a decent explanation for either of the error codes you received. All I can suggest is that you test with a Unicode and ASCII version of the string, and be sure that the path to the file is correct.
Veni, vidi, abiit domum
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Hello,
I'm trying to solve one problem with custom cred.prov. on win8.
The problem is that if you select any tile (e.g. my, custom) and you have CPUS_UNLOCK_WORKSTATION scenario - Logonui will dismiss it automatically after 1 minute. This is not relevant to CPUS_LOGON scenario. Selected tile will stay untill user press Ok or Cancel buttons.
So I'd like to ask, maybe somebody has worked with such thing already, is it possible to handle that moment when selected tile is going to be dismissed.
using debugging I found that IConnectableCredentialProviderCredential::SetDeselected() is not called when IConnectableCredentialProviderCredential::SetSelected() is called by selecting the tile.
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Seems like the above error has to do with access rights
I am running windows 7
I right click on the file and under the security I see everything checked off but the special permissions don't know if that would be the problem
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Without information on the context in which you receive the error it is impossible to speculate.
Use the best guess
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Here is the code
COleVariant myvar;
myvar.vt = VT_I4;
myvar.lVal = NULL;
COleVariant Orgin((short)3),
StartRow((short)1),
DataType((short)1),
ConsecutiveDelimter((short) FALSE, VT_BOOL),
TAB((short) FALSE, VT_BOOL),
Semicolon((short) FALSE, VT_BOOL),
Comma((short) FALSE, VT_BOOL),
Space((short) FALSE, VT_BOOL),
Other((short) FALSE, VT_BOOL),
OtherChar((short) FALSE, VT_BOOL),
FieldInfo((short) FALSE, VT_BOOL),
TextVisualLayout((short) FALSE, VT_BOOL),
DecimalSeprator((short) FALSE, VT_BOOL),
ThousandSeprator((short) FALSE, VT_BOOL),
TrailingMinusNumbers((short) FALSE, VT_BOOL),
Local((short) FALSE, VT_BOOL);
books.OpenText(_T("C:\\FILE\\EXCEL.TXT"),
Orgin,
StartRow,
DataType,
myvar.lVal,
ConsecutiveDelimter,
TAB,
Semicolon,
Comma,
Space,
Other,
OtherChar,
FieldInfo,
TextVisualLayout,
DecimalSeprator,
ThousandSeprator,
TrailingMinusNumbers,
Local);
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Hi
I lookend filename in memory and every letter is seprated by a NULL X'00' so C: is 43005C I am out of my debugging session but I think 5C is :
Thanks
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That just means it is a Unicode string. I have explained to you a number of times about your mishandling of Unicode and ASCII strings, and I suspect this is just another example.
Use the best guess
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in excel, when enter a cell.no VBA functions are available.
how can I get the character or word after the cursor. or the whole line where the cursor located.
Any tips or reference will be appreciated.
I have done a lot research, but still have no idea.
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Hi,
I am trying to open text file into a Excel Spreadsheet and I am getting all kinds of exceptions
below is my code as all but the filename paramter is optional I am wondering if someone can post a
example
COleVariant myvar;
myvar.vt = VT_I4;
myvar.lVal = NULL;
books.OpenText(TEXT("C:\\DOCUMENTS\\MYFILE.TXT"),
covOptional,
covOptional,
covOptional,
myvar.lVal,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional,
covOptional);
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ForNow wrote: I am getting all kinds of exceptions
You really need to show the exceptions, rather than hoping people can guess what they are.
Use the best guess
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Hi,
I followed Microsoft Knoweldge base Article 178749
http://support.microsoft.com/kb/178749[^]
To create and an Automation When I got the Class wizard I selected Create Class from typelib
I the selcted the excel.exe
The Wizard create a number of Class I slected to include all of them in my project
After getting a Clean build I decided to add some ole code
create excel
So I included "CAppliction.h"
I coded CApplication app;
app.CreateDispatch("EXCEL APPLICATION");
however I got a whole slew of build errors
example
c:\users\4rypb\documents\visual studio 2010\projects\autoproject\autoproject\debug\excel.tlh(1595): error C2371: 'FontPtr' : redefinition; different basic types
1> c:\program files\microsoft visual studio 10.0\vc\include\comdef.h(314) : see declaration of 'FontPtr'
or
c:\users\4rypb\documents\visual studio 2010\projects\autoproject\autoproject\capplication.h(3): warning C4278: 'RGB': identifier in type library 'C:\\Program Files\\Microsoft Office\\Office14\\EXCEL.EXE' is already a macro; use the 'rename' qualifier
Am I mssing some include ?
The doc says include excel8.h
but I dont see that included generated
Thanks
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there's going to be different headers eg excel8.h, for different versions of Excel - you've already said you're using Excel 2010, so, an alarm bell goes off in my head straight away on that score ...
as to the rest, its been a long time since Ive needed to do this, but I found this article here in CP that may give you some more (and definately) better guidance ..
Automating Excel 2007 and creating charts using C++ MFC application in Visual Studio 2008[^]
(before you shoot me down in flames, please have a look at the article - it suggests it should be good for Excel 2010 as well, else I wouldnt have posted it)
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commented out #import
Tnanks
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Hi,
i am working for windows 8 wrapped credential provider .i did every thing in document which is provided by Microsoft .i implemented ICredentialProviderCredential2 interface with GetUserSid(__deref_out PWSTR *ppszSid) method,i am able to get sid .but my credential provider showing like other user tile ,but widows default credential showing password text box only,why my credential showing username text box and password text box. please help about this
Thanks
modified 24-Jul-13 4:55am.
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Hi
I have developed Window service in .Net 2010 and in that windows service we are using Word COM object to covert DOC to PRN file.
if i run the window service in my local its working fine, but if i deploy the window service in Server 2008 R2 server i am getting below mentioned error, (Server 2008 R2 server Word 2003 is installed)
There is insufficient memory. Save the document now. (C:\...\ACL-PhillipSholar_1482.doc)
source Microsoft Word [System.Runtime.InteropServices.COMException]
at Word.Documents.Open(Object& FileName, Object& ConfirmConversions, Object& ReadOnly, Object& AddToRecentFiles, Object& PasswordDocument, Object& PasswordTemplate, Object& Revert, Object& WritePasswordDocument, Object& WritePasswordTemplate, Object& Format, Object& Encoding, Object& Visible, Object& OpenAndRepair, Object& DocumentDirection, Object& NoEncodingDialog, Object& XMLTransform)
If any one know how to resolve the issue, Please let me share your fix.
Regards,
Ganesan. B
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