コード例 #1
0
        private static void ProcessVariables(UnsafeNativeMethods.ITypeInfo typeInfo, IDictionary propInfoList, int dispidToGet, int nameDispID, StructCache structCache)
        {
            IntPtr zero     = IntPtr.Zero;
            int    typeAttr = typeInfo.GetTypeAttr(ref zero);

            if (!System.Windows.Forms.NativeMethods.Succeeded(typeAttr) || (zero == IntPtr.Zero))
            {
                throw new ExternalException(System.Windows.Forms.SR.GetString("TYPEINFOPROCESSORGetTypeAttrFailed", new object[] { typeAttr }), typeAttr);
            }
            System.Windows.Forms.NativeMethods.tagTYPEATTR data = (System.Windows.Forms.NativeMethods.tagTYPEATTR)structCache.GetStruct(typeof(System.Windows.Forms.NativeMethods.tagTYPEATTR));
            UnsafeNativeMethods.PtrToStructure(zero, data);
            try
            {
                if (data != null)
                {
                    System.Windows.Forms.NativeMethods.tagVARDESC gvardesc = (System.Windows.Forms.NativeMethods.tagVARDESC)structCache.GetStruct(typeof(System.Windows.Forms.NativeMethods.tagVARDESC));
                    for (int i = 0; i < data.cVars; i++)
                    {
                        IntPtr pVarDesc = IntPtr.Zero;
                        if (System.Windows.Forms.NativeMethods.Succeeded(typeInfo.GetVarDesc(i, ref pVarDesc)) && (pVarDesc != IntPtr.Zero))
                        {
                            UnsafeNativeMethods.PtrToStructure(pVarDesc, gvardesc);
                            try
                            {
                                if ((gvardesc.varkind != 2) && ((dispidToGet == -1) || (gvardesc.memid == dispidToGet)))
                                {
                                    PropInfo info = ProcessDataCore(typeInfo, propInfoList, gvardesc.memid, nameDispID, gvardesc.elemdescVar.tdesc, gvardesc.wVarFlags, structCache);
                                    if (info.ReadOnly != 1)
                                    {
                                        info.ReadOnly = 2;
                                    }
                                }
                            }
                            finally
                            {
                                if (pVarDesc != IntPtr.Zero)
                                {
                                    typeInfo.ReleaseVarDesc(pVarDesc);
                                }
                            }
                        }
                    }
                    structCache.ReleaseStruct(gvardesc);
                }
            }
            finally
            {
                typeInfo.ReleaseTypeAttr(zero);
                structCache.ReleaseStruct(data);
            }
        }
コード例 #2
0
 private static System.Type ProcessTypeInfoEnum(UnsafeNativeMethods.ITypeInfo enumTypeInfo, StructCache structCache)
 {
     if (enumTypeInfo != null)
     {
         try
         {
             IntPtr zero     = IntPtr.Zero;
             int    typeAttr = enumTypeInfo.GetTypeAttr(ref zero);
             if (!System.Windows.Forms.NativeMethods.Succeeded(typeAttr) || (zero == IntPtr.Zero))
             {
                 throw new ExternalException(System.Windows.Forms.SR.GetString("TYPEINFOPROCESSORGetTypeAttrFailed", new object[] { typeAttr }), typeAttr);
             }
             System.Windows.Forms.NativeMethods.tagTYPEATTR data = (System.Windows.Forms.NativeMethods.tagTYPEATTR)structCache.GetStruct(typeof(System.Windows.Forms.NativeMethods.tagTYPEATTR));
             UnsafeNativeMethods.PtrToStructure(zero, data);
             if (zero == IntPtr.Zero)
             {
                 return(null);
             }
             try
             {
                 int       cVars = data.cVars;
                 ArrayList list  = new ArrayList();
                 ArrayList list2 = new ArrayList();
                 System.Windows.Forms.NativeMethods.tagVARDESC gvardesc = (System.Windows.Forms.NativeMethods.tagVARDESC)structCache.GetStruct(typeof(System.Windows.Forms.NativeMethods.tagVARDESC));
                 object objectForNativeVariant = null;
                 string pBstrName      = null;
                 string pBstrDocString = null;
                 enumTypeInfo.GetDocumentation(-1, ref pBstrName, ref pBstrDocString, null, null);
                 for (int i = 0; i < cVars; i++)
                 {
                     IntPtr pVarDesc = IntPtr.Zero;
                     if (System.Windows.Forms.NativeMethods.Succeeded(enumTypeInfo.GetVarDesc(i, ref pVarDesc)) && (pVarDesc != IntPtr.Zero))
                     {
                         try
                         {
                             UnsafeNativeMethods.PtrToStructure(pVarDesc, gvardesc);
                             if (((gvardesc != null) && (gvardesc.varkind == 2)) && (gvardesc.unionMember != IntPtr.Zero))
                             {
                                 str2 = (string)(pBstrDocString = null);
                                 objectForNativeVariant = null;
                                 if (System.Windows.Forms.NativeMethods.Succeeded(enumTypeInfo.GetDocumentation(gvardesc.memid, null, ref pBstrDocString, null, null)))
                                 {
                                     string str4;
                                     try
                                     {
                                         objectForNativeVariant = Marshal.GetObjectForNativeVariant(gvardesc.unionMember);
                                     }
                                     catch (Exception)
                                     {
                                     }
                                     list2.Add(objectForNativeVariant);
                                     if (pBstrDocString != null)
                                     {
                                         str4 = pBstrDocString;
                                     }
                                     else
                                     {
                                         str4 = str2;
                                     }
                                     list.Add(str4);
                                 }
                             }
                         }
                         finally
                         {
                             if (pVarDesc != IntPtr.Zero)
                             {
                                 enumTypeInfo.ReleaseVarDesc(pVarDesc);
                             }
                         }
                     }
                 }
                 structCache.ReleaseStruct(gvardesc);
                 if (list.Count > 0)
                 {
                     IntPtr iUnknownForObject = Marshal.GetIUnknownForObject(enumTypeInfo);
                     try
                     {
                         pBstrName = iUnknownForObject.ToString() + "_" + pBstrName;
                         if (builtEnums == null)
                         {
                             builtEnums = new Hashtable();
                         }
                         else if (builtEnums.ContainsKey(pBstrName))
                         {
                             return((System.Type)builtEnums[pBstrName]);
                         }
                         System.Type underlyingType = typeof(int);
                         if ((list2.Count > 0) && (list2[0] != null))
                         {
                             underlyingType = list2[0].GetType();
                         }
                         EnumBuilder builder = ModuleBuilder.DefineEnum(pBstrName, TypeAttributes.Public, underlyingType);
                         for (int j = 0; j < list.Count; j++)
                         {
                             builder.DefineLiteral((string)list[j], list2[j]);
                         }
                         System.Type type2 = builder.CreateType();
                         builtEnums[pBstrName] = type2;
                         return(type2);
                     }
                     finally
                     {
                         if (iUnknownForObject != IntPtr.Zero)
                         {
                             Marshal.Release(iUnknownForObject);
                         }
                     }
                 }
             }
             finally
             {
                 enumTypeInfo.ReleaseTypeAttr(zero);
                 structCache.ReleaseStruct(data);
             }
         }
         catch
         {
         }
     }
     return(null);
 }