private void Initialize()
{
using (ComTypeInfo.tracer.TraceMethod())
{
if (this.typeinfo == null)
{
return;
}
System.Runtime.InteropServices.ComTypes.TYPEATTR typeAttr = ComTypeInfo.GetTypeAttr(this.typeinfo);
this.guid = typeAttr.guid;
for (int firstUserMethod = ComTypeInfo.FindFirstUserMethod(typeAttr); firstUserMethod < (int)typeAttr.cFuncs; ++firstUserMethod)
{
System.Runtime.InteropServices.ComTypes.FUNCDESC funcDesc = ComTypeInfo.GetFuncDesc(this.typeinfo, firstUserMethod);
string nameFromFuncDesc = ComUtil.GetNameFromFuncDesc(this.typeinfo, funcDesc);
switch (funcDesc.invkind)
{
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_FUNC:
this.AddMethod(nameFromFuncDesc, firstUserMethod);
break;
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYGET:
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYPUT:
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYPUTREF:
this.AddProperty(nameFromFuncDesc, funcDesc, firstUserMethod);
break;
}
}
}
}
internal static ITypeInfo GetDispatchTypeInfoFromCoClassTypeInfo(ITypeInfo typeinfo)
{
int cImplTypes = (int)ComTypeInfo.GetTypeAttr(typeinfo).cImplTypes;
ITypeInfo ppTI = (ITypeInfo)null;
for (int index = 0; index < cImplTypes; ++index)
{
int href;
typeinfo.GetRefTypeOfImplType(index, out href);
typeinfo.GetRefTypeInfo(href, out ppTI);
System.Runtime.InteropServices.ComTypes.TYPEATTR typeAttr = ComTypeInfo.GetTypeAttr(ppTI);
if (typeAttr.typekind == System.Runtime.InteropServices.ComTypes.TYPEKIND.TKIND_DISPATCH)
{
return(ppTI);
}
if ((typeAttr.wTypeFlags & System.Runtime.InteropServices.ComTypes.TYPEFLAGS.TYPEFLAG_FDUAL) != (System.Runtime.InteropServices.ComTypes.TYPEFLAGS) 0)
{
ppTI = ComTypeInfo.GetDispatchTypeInfoFromCustomInterfaceTypeInfo(ppTI);
if (ComTypeInfo.GetTypeAttr(ppTI).typekind == System.Runtime.InteropServices.ComTypes.TYPEKIND.TKIND_DISPATCH)
{
return(ppTI);
}
}
}
return((ITypeInfo)null);
}
internal static ComTypeInfo GetDispatchTypeInfo(object comObject)
{
ComTypeInfo comTypeInfo = (ComTypeInfo)null;
if (comObject is IDispatch dispatch)
{
ITypeInfo ppTInfo = (ITypeInfo)null;
dispatch.GetTypeInfo(0, 0, out ppTInfo);
if (ppTInfo != null)
{
System.Runtime.InteropServices.ComTypes.TYPEATTR typeAttr = ComTypeInfo.GetTypeAttr(ppTInfo);
if (typeAttr.typekind == System.Runtime.InteropServices.ComTypes.TYPEKIND.TKIND_INTERFACE)
{
ppTInfo = ComTypeInfo.GetDispatchTypeInfoFromCustomInterfaceTypeInfo(ppTInfo);
}
if (typeAttr.typekind == System.Runtime.InteropServices.ComTypes.TYPEKIND.TKIND_COCLASS)
{
ppTInfo = ComTypeInfo.GetDispatchTypeInfoFromCoClassTypeInfo(ppTInfo);
}
comTypeInfo = new ComTypeInfo(ppTInfo);
}
}
return(comTypeInfo);
}
