// this static constructor will load the library
static AppManagerHelper()
{
try
{
// Initialze the dynamic marshall Infrastructure to call the 32Bit (x86) or the 64Bit (x64) Dll respectively
SYSTEM_INFO info = new SYSTEM_INFO();
GetSystemInfo(ref info);
// Load the correct DLL according to the processor architecture
switch (info.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE.Intel:
string pathx86 = AppDomain.CurrentDomain.BaseDirectory;
if (!pathx86.EndsWith("\\"))
pathx86 += "\\";
pathx86 += @"x86\" + DLL_NAME; // Place your X86 DLL name here
dllHandle = LoadLibrary(pathx86);
if (dllHandle == IntPtr.Zero)
throw new DllNotFoundException("x86 DLL not found");
break;
case PROCESSOR_ARCHITECTURE.Amd64:
string pathx64 = AppDomain.CurrentDomain.BaseDirectory;
if (!pathx64.EndsWith("\\"))
pathx64 += "\\";
pathx64 += @"x64\" + DLL_NAME; // Place your X64 DLL name here
dllHandle = LoadLibrary(pathx64);
if (dllHandle == IntPtr.Zero)
throw new DllNotFoundException("x64 DLL not found");
break;
default:
throw new NotSupportedException("Platform not Supported");
break;
}
// init the delegate instances with the function delegates of your libaray
GetAvailProductUpdate = (GetAvailProductUpdateDelegate)GetDelegate("GetAvailProductUpdate", typeof(GetAvailProductUpdateDelegate));
}
catch (Exception e)
{
if (dllHandle != IntPtr.Zero)
FreeLibrary(dllHandle);
throw e;
}
}
public static extern void GetSystemInfo(
out SYSTEM_INFO lpSystemInfo);
public static extern void GetSystemInfo(
out SYSTEM_INFO lpSystemInfo);