Hi,
My .Net application call a COM Class method. The signature of COm method is
object get_Item(ref object Key);
This method had defined in "NCR.APTRA.AXFS" namespace
and I Have "formList" of Type "NCR.APTRA.AXFS.IXFSDictionary"
Here i am getting an exception with the below statement
NCR.APTRA.AXFS.XFSGenericPrintForm formObj =
(NCR.APTRA.AXFS.XFSGenericPrintForm)formList.get_I tem(ref formNameObject);
Exception Details:
===========
Unable to cast COM object of type 'System.__ComObject' to interface type
'NCR.APTRA.AXFS.XFSGenericPrintForm'. This operation failed because the
QueryInterface call on the COM component for the interface with IID
'{B9EEACF8-6552-4E85-9069-D58160BC40FF}' failed due to the following error:
No such interface supported (Exception from HRESULT: 0x80004002
(E_NOINTERFACE)).
Please can anyone help me to resolve.
Thanks & Regards,
Karimulla.
3  2114 
On May 26, 8:41*pm, karim <ka...@discussions.microsoft.comwrote:
Hi,
My .Net application call a COM Class method. The signature of COm method is
object get_Item(ref object Key);
This method had defined in "NCR.APTRA.AXFS" namespace
and I Have "formList" of Type "NCR.APTRA.AXFS.IXFSDictionary"
Here i am getting an exception with the below statement
NCR.APTRA.AXFS.XFSGenericPrintForm formObj =
(NCR.APTRA.AXFS.XFSGenericPrintForm)formList.get_I tem(ref formNameObject);
Exception Details:
===========
Unable to cast COM object of type 'System.__ComObject' to interface type
'NCR.APTRA.AXFS.XFSGenericPrintForm'. This operation failed because the
QueryInterface call on the COM component for the interface with IID
'{B9EEACF8-6552-4E85-9069-D58160BC40FF}' failed due to the following error:
No such interface supported (Exception from HRESULT: 0x80004002
(E_NOINTERFACE)).
Please can anyone help me to resolve.
Thanks & Regards,
Karimulla.
NCR.APTRA.AXFS.XFSGenericPrintForm is a .Net type? If yes we can't
cast to __ComObject. Else we can re-register the COM dll and try again.
Yes, NCR.APTRA.AXFS.XFSGenericPrintForm is a .Net type.
Here the COM get_Item method has a return type Object, which i am capturing
in .Net object of type "NCR.APTRA.AXFS.XFSGenericPrintForm".
Can you pls tell me how do we handle COM call from .Net application?
Regards,
Karimulla.
"Aneesh Pulukkul [http://dotnet-revolutio" wrote:
On May 26, 8:41 pm, karim <ka...@discussions.microsoft.comwrote:
Hi,
My .Net application call a COM Class method. The signature of COm method is
object get_Item(ref object Key);
This method had defined in "NCR.APTRA.AXFS" namespace
and I Have "formList" of Type "NCR.APTRA.AXFS.IXFSDictionary"
Here i am getting an exception with the below statement
NCR.APTRA.AXFS.XFSGenericPrintForm formObj =
(NCR.APTRA.AXFS.XFSGenericPrintForm)formList.get_I tem(ref formNameObject);
Exception Details:
===========
Unable to cast COM object of type 'System.__ComObject' to interface type
'NCR.APTRA.AXFS.XFSGenericPrintForm'. This operation failed because the
QueryInterface call on the COM component for the interface with IID
'{B9EEACF8-6552-4E85-9069-D58160BC40FF}' failed due to the following error:
No such interface supported (Exception from HRESULT: 0x80004002
(E_NOINTERFACE)).
Please can anyone help me to resolve.
Thanks & Regards,
Karimulla.
NCR.APTRA.AXFS.XFSGenericPrintForm is a .Net type? If yes we can't
cast to __ComObject. Else we can re-register the COM dll and try again.
The way i have my C# components use COM is by using the tlbimp.exe tool.
It will generate a wrapper assemble for the COM component so I can just
use it in C#. Search your help for tlbimp.exe for examples on how to use it.
Hope this helps
Leon Lambert
karim wrote:
Yes, NCR.APTRA.AXFS.XFSGenericPrintForm is a .Net type.
Here the COM get_Item method has a return type Object, which i am capturing
in .Net object of type "NCR.APTRA.AXFS.XFSGenericPrintForm".
Can you pls tell me how do we handle COM call from .Net application?
Regards,
Karimulla.
"Aneesh Pulukkul [http://dotnet-revolutio" wrote:
>On May 26, 8:41 pm, karim <ka...@discussions.microsoft.comwrote:
>>Hi,
My .Net application call a COM Class method. The signature of COm method is
object get_Item(ref object Key);
This method had defined in "NCR.APTRA.AXFS" namespace
and I Have "formList" of Type "NCR.APTRA.AXFS.IXFSDictionary"
Here i am getting an exception with the below statement
NCR.APTRA.AXFS.XFSGenericPrintForm formObj =
(NCR.APTRA.AXFS.XFSGenericPrintForm)formList.get _Item(ref formNameObject);
Exception Details:
===========
Unable to cast COM object of type 'System.__ComObject' to interface type
'NCR.APTRA.AXFS.XFSGenericPrintForm'. This operation failed because the
QueryInterface call on the COM component for the interface with IID
'{B9EEACF8-6552-4E85-9069-D58160BC40FF}' failed due to the following error:
No such interface supported (Exception from HRESULT: 0x80004002
(E_NOINTERFACE)).
Please can anyone help me to resolve.
Thanks & Regards,
Karimulla.
NCR.APTRA.AXFS.XFSGenericPrintForm is a .Net type? If yes we can't
cast to __ComObject. Else we can re-register the COM dll and try again.
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