public static object InvokeScript(IHTMLDocument doc, string scriptName, object[] args)
{
object result = null;
NativeMethods.tagDISPPARAMS tagDISPPARAMS = new NativeMethods.tagDISPPARAMS();
tagDISPPARAMS.rgvarg = IntPtr.Zero;
try
{
IDispatch dispatch = doc.Script as IDispatch;
if (dispatch != null)
{
Guid empty = Guid.Empty;
string[] rgszNames = new string[]
{
scriptName
};
int[] array = new int[]
{
-1
};
int iDsOfNames = dispatch.GetIDsOfNames(ref empty, rgszNames, 1, SafeNativeMethods.GetThreadLCID(), array);
if (SafeNativeMethods.Succeeded(iDsOfNames) && array[0] != -1)
{
if (args != null)
{
Array.Reverse(args);
}
tagDISPPARAMS.rgvarg = ((args == null) ? IntPtr.Zero : SafeNativeMethods.ArrayToVARIANTVector(args));
tagDISPPARAMS.cArgs = ((args == null) ? 0 : args.Length);
tagDISPPARAMS.rgdispidNamedArgs = IntPtr.Zero;
tagDISPPARAMS.cNamedArgs = 0;
object[] array2 = new object[1];
if (dispatch.Invoke(array[0], ref empty, SafeNativeMethods.GetThreadLCID(), 1, tagDISPPARAMS, array2, new NativeMethods.tagEXCEPINFO(), null) == 0)
{
result = array2[0];
}
}
}
}
catch (Exception ex)
{
if (ClientUtils.IsSecurityOrCriticalException(ex))
{
throw;
}
}
finally
{
if (tagDISPPARAMS.rgvarg != IntPtr.Zero)
{
SafeNativeMethods.FreeVARIANTVector(tagDISPPARAMS.rgvarg, args.Length);
}
}
return(result);
}