public static MethodReplacer Win32FuncWithExportFunc <T, TDelegate>(string win32Dll, string win32FuncName, T funcToReplace, out TDelegate saveOrgFunc) where T : Delegate
where TDelegate : Delegate
{
saveOrgFunc = null;
IntPtr orgFuncAddr = GetExportFunctionAddressFromEAT(win32Dll, win32FuncName, out IntPtr addressOrgFuncAddr);
if (orgFuncAddr == IntPtr.Zero || addressOrgFuncAddr == IntPtr.Zero)
{
return(null);
}
string moduleName = Path.GetFileName(funcToReplace.GetType().Assembly.Location);
string funcName = funcToReplace.Method.Name;
IntPtr proxyFuncAddr = GetExportFunctionAddressFromEAT(moduleName, funcName, out IntPtr addressToProxyFuncAddr);
if (proxyFuncAddr == IntPtr.Zero || addressToProxyFuncAddr == IntPtr.Zero)
{
return(null);
}
MethodReplacer mr = new MethodReplacer();
if (mr.Win32FuncWith <T, TDelegate>(addressOrgFuncAddr, orgFuncAddr, proxyFuncAddr, funcToReplace.Method.ReturnType, out saveOrgFunc) == false)
{
return(null);
}
return(mr);
}
public static MethodReplacer Win32FuncWithManagedFunc <T, TDelegate>(string win32Dll, string win32FuncName, T funcToReplace, out TDelegate saveOrgFunc) where T : Delegate
where TDelegate : Delegate
{
saveOrgFunc = null;
IntPtr orgFuncAddr = GetExportFunctionAddressFromEAT(win32Dll, win32FuncName, out IntPtr addressOrgFuncAddr);
if (orgFuncAddr == IntPtr.Zero || addressOrgFuncAddr == IntPtr.Zero)
{
return(null);
}
IntPtr proxyFuncAddr;
if (typeof(T).IsGenericType == true)
{
proxyFuncAddr = funcToReplace.Method.MethodHandle.GetFunctionPointer();
}
else
{
proxyFuncAddr = Marshal.GetFunctionPointerForDelegate(funcToReplace);
}
if (proxyFuncAddr == IntPtr.Zero)
{
return(null);
}
MethodReplacer mr = new MethodReplacer();
if (mr.Win32FuncWith <T, TDelegate>(addressOrgFuncAddr, orgFuncAddr, proxyFuncAddr, funcToReplace.Method.ReturnType, out saveOrgFunc) == false)
{
return(null);
}
return(mr);
}
