Hi all,
I've been fighting this problem for some time now and am hoping someone can help. I'm converting a VB6 application to C#. Everything I'm about to show works perfect in VB6, but fails in C#.
I'm making an API call into a C dll, passing a structure. The structure gets values modified in the C side and I should see the modified values in my return structure.
Here are the C structures:
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3 results in 0.0024 seconds.
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Passing structure to unmanaged code from C#
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How to pass double values using PInvoke
I have a c++ component. It exposes an API which accept two double values:
say:
void Multiply(double a, double b);
if i call this API from a C# code using PInoke and pass the values
a=199.4225
b=1678
a*b = 335237.92955
andi debug the code and found that in the Autos window the values are actually
a= 199.42249999999 99
b= 1678.0000000000 000
If i call this method from a... -
AGorodnov started a topic MarshalDirectiveException - Method's type signature is not PInvoke compatiblein C SharpMarshalDirectiveException - Method's type signature is not PInvoke compatible
Hello,
I'm trying to retrieve a structure in C# from a C dll. Really to say I'm not an expert programmer on both C/C#, and will appreciate any comments and suggestions.
Here's a C dll coded structure, to be retrieved..
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...Code:struct MESSAGEE { int MsgNo; int MsgType; char MsgTypeText[64]; char MsgNoText[64];
