Here is an application you can download which shows how to call a
non-managed Withholding32 function from a managed c++ application.
This particular application was created under Visual Studio 2005, though
the techniques used can be used with all versions of Visual Studio.
The application is a standard shell application as created by Visual
Studio. All additions in this project to call a Withholding32
function are in the file 'form1.h'. The additions are:
At beginning of File
using
namespace
System::Runtime::InteropServices;
[DllImport( "wh32.dll")]
extern
"C"
double WH32_Version(void);
In function 'System::Void button1_Click'
double dd=WH32_Version();
System::String ^ ss=textBox1->Text;
ss= Convert::ToString(dd);
wh32version->Text=ss;
Download the project by clicking
here
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