Re: SafeArrayTypeMismatchException

On Jun 5, 8:00 pm, Phoenix <sudhansutiw...@xxxxxxxxx> wrote:
Hi .NET Masters :-)

Please help me to get out of following situation ...

There is a function in one of my dlls whose signature is as follows :
my_function(integer X, integer Y, char* Z, HAD A, HAD P)

Here HAD is defined as follows in one of the header files as :

#define HAD LPSAFEARRAY FAR *

The above dll was written in VC++ 6.0 . I use to call this function
in my Visual Basic 6.0 application.

Recently , I upgraded my Visual Basic application and found
that its giving "SafeArrayTypeMismatchException"

Declaration for my Function is as follows :

Declare Function my_function Lib "tcvbadm.dll" (ByVal X As Integer,
ByVal Y
As Integer, ByVal Z As String, A() As String, A() As Integer) As
Integer

And the way I am calling in my VB application is as follows :

Dim li_count as Integer
ReDim la_leaf(li_count) As String
ReDim la_access(li_count) As Integer

retcode = my_function(X, Y, Z, A(), B()) ' HERE I AM GHETTING THE
EXCEPTION
WHERE AS IT WAS WORKING WELL PREVIOUSLY

'I fetch li_count through a different fi=unction call which returns an
integer value.

Please let me know if any further info is reqd regarding this. Any
help
would be highly apprecaited ,
Thanks a lot in advance.

Thanks & Regards

Sudhansu Tiwari

Note the mapping of data types:
VB6 -> VB.NET
------------------------
Integer -> Short
Long -> Integer

Try re- declaring variables.



.

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