public unsafe object InvokeScript(string scriptName, object[] args)
{
object retVal = null;
var dispParams = new Ole32.DISPPARAMS
{
rgvarg = IntPtr.Zero
};
try
{
if (NativeHtmlDocument2.GetScript() is UnsafeNativeMethods.IDispatch scriptObject)
{
Guid g = Guid.Empty;
string[] names = new string[] { scriptName };
Ole32.DispatchID dispid = Ole32.DispatchID.UNKNOWN;
HRESULT hr = scriptObject.GetIDsOfNames(&g, names, 1, Kernel32.GetThreadLocale(), &dispid);
if (hr.Succeeded() && dispid != Ole32.DispatchID.UNKNOWN)
{
if (args != null)
{
// Reverse the arg order so that parms read naturally after IDispatch. (
Array.Reverse(args);
}
dispParams.rgvarg = (args == null) ? IntPtr.Zero : HtmlDocument.ArrayToVARIANTVector(args);
dispParams.cArgs = (args == null) ? 0 : (uint)args.Length;
dispParams.rgdispidNamedArgs = IntPtr.Zero;
dispParams.cNamedArgs = 0;
object[] retVals = new object[1];
var pExcepInfo = new Ole32.EXCEPINFO();
hr = scriptObject.Invoke(
dispid,
&g,
Kernel32.GetThreadLocale(),
Oleaut32.DISPATCH.METHOD,
&dispParams,
retVals,
&pExcepInfo,
null);
if (hr == HRESULT.S_OK)
{
retVal = retVals[0];
}
}
}
}
catch (Exception ex) when(!ClientUtils.IsSecurityOrCriticalException(ex))
{
}
finally
{
if (dispParams.rgvarg != IntPtr.Zero)
{
HtmlDocument.FreeVARIANTVector(dispParams.rgvarg, args.Length);
}
}
return(retVal);
}
public HtmlDocument OpenNew(bool replaceInHistory)
{
object name = (object)(replaceInHistory ? "replace" : "");
object nullObject = null;
object ohtmlDocument = NativeHtmlDocument2.Open("text/html", name, nullObject, nullObject);
return(ohtmlDocument is IHTMLDocument iHTMLDocument ? new HtmlDocument(ShimManager, iHTMLDocument) : null);
}
public object InvokeScript(string scriptName, object[] args)
{
object retVal = null;
NativeMethods.tagDISPPARAMS dp = new NativeMethods.tagDISPPARAMS
{
rgvarg = IntPtr.Zero
};
try
{
if (NativeHtmlDocument2.GetScript() is UnsafeNativeMethods.IDispatch scriptObject)
{
Guid g = Guid.Empty;
string[] names = new string[] { scriptName };
int[] dispids = new int[] { NativeMethods.ActiveX.DISPID_UNKNOWN };
int hr = scriptObject.GetIDsOfNames(ref g, names, 1,
SafeNativeMethods.GetThreadLCID(), dispids);
if (NativeMethods.Succeeded(hr) && (dispids[0] != NativeMethods.ActiveX.DISPID_UNKNOWN))
{
if (args != null)
{
// Reverse the arg order so that parms read naturally after IDispatch. (
Array.Reverse(args);
}
dp.rgvarg = (args == null) ? IntPtr.Zero : HtmlDocument.ArrayToVARIANTVector(args);
dp.cArgs = (args == null) ? 0 : args.Length;
dp.rgdispidNamedArgs = IntPtr.Zero;
dp.cNamedArgs = 0;
object[] retVals = new object[1];
hr = scriptObject.Invoke(dispids[0], ref g, SafeNativeMethods.GetThreadLCID(),
NativeMethods.DISPATCH_METHOD, dp,
retVals, new NativeMethods.tagEXCEPINFO(), null);
if (hr == NativeMethods.S_OK)
{
retVal = retVals[0];
}
}
}
}
catch (Exception ex)
{
if (ClientUtils.IsSecurityOrCriticalException(ex))
{
throw;
}
}
finally
{
if (dp.rgvarg != IntPtr.Zero)
{
HtmlDocument.FreeVARIANTVector(dp.rgvarg, args.Length);
}
}
return(retVal);
}
public unsafe object InvokeScript(string scriptName, object[] args)
{
try
{
if (NativeHtmlDocument2.GetScript() is Oleaut32.IDispatch scriptObject)
{
Guid g = Guid.Empty;
string[] names = new string[] { scriptName };
Ole32.DispatchID dispid = Ole32.DispatchID.UNKNOWN;
HRESULT hr = scriptObject.GetIDsOfNames(&g, names, 1, Kernel32.GetThreadLocale(), &dispid);
if (!hr.Succeeded() || dispid == Ole32.DispatchID.UNKNOWN)
{
return(null);
}
if (args != null)
{
// Reverse the arg order so that they read naturally after IDispatch.
Array.Reverse(args);
}
using var vectorArgs = new Oleaut32.VARIANTVector(args);
fixed(Oleaut32.VARIANT *pVariants = vectorArgs.Variants)
{
var dispParams = new Oleaut32.DISPPARAMS();
dispParams.rgvarg = pVariants;
dispParams.cArgs = (uint)vectorArgs.Variants.Length;
dispParams.rgdispidNamedArgs = null;
dispParams.cNamedArgs = 0;
var retVals = new object[1];
var excepInfo = new Oleaut32.EXCEPINFO();
hr = scriptObject.Invoke(
dispid,
&g,
Kernel32.GetThreadLocale(),
Oleaut32.DISPATCH.METHOD,
&dispParams,
retVals,
&excepInfo,
null);
if (hr == HRESULT.S_OK)
{
return(retVals[0]);
}
}
}
}
catch (Exception ex) when(!ClientUtils.IsCriticalException(ex))
{
}
return(null);
}
public HtmlElement CreateElement(string elementTag)
{
IHTMLElement iHTMLElement = NativeHtmlDocument2.CreateElement(elementTag);
return(iHTMLElement != null ? new HtmlElement(ShimManager, iHTMLElement) : null);
}
public HtmlElement GetElementFromPoint(Point point)
{
IHTMLElement iHTMLElement = NativeHtmlDocument2.ElementFromPoint(point.X, point.Y);
return(iHTMLElement != null ? new HtmlElement(ShimManager, iHTMLElement) : null);
}
public void ExecCommand(string command, bool showUI, object value)
{
NativeHtmlDocument2.ExecCommand(command, showUI, value);
}
public void Write(string text)
{
object[] strs = new object[] { (object)text };
NativeHtmlDocument2.Write(strs);
}
