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using System;
using System.Runtime.InteropServices;
using Microsoft.Win32;
namespace ClassLibrary1
{
[ClassInterface(ClassInterfaceType.AutoDual)]
[ComVisible(true)]
public class Functions
{
public Functions()
{
}
public double bete(double a, double b)
{
return a*b;
}
[ComRegisterFunctionAttribute]
public static void RegisterFunction(Type type)
{
Registry.ClassesRoot.CreateSubKey(
GetSubKeyName(type, "Programmable"));
RegistryKey key = Registry.ClassesRoot.OpenSubKey(
GetSubKeyName(type, "InprocServer32"), true);
key.SetValue("",
System.Environment.SystemDirectory + @"\mscoree.dll",
RegistryValueKind.String);
}
[ComUnregisterFunctionAttribute]
public static void UnregisterFunction(Type type)
{
Registry.ClassesRoot.DeleteSubKey(
GetSubKeyName(type, "Programmable"), false);
}
private static string GetSubKeyName(Type type,
string subKeyName)
{
System.Text.StringBuilder s =
new System.Text.StringBuilder();
s.Append(@"CLSID\{");
s.Append(type.GUID.ToString().ToUpper());
s.Append(@"}\");
s.Append(subKeyName);
return s.ToString();
}
}
} |
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