Esempio n. 1
0
        internal ComTypeEnumDesc(ComTypes.ITypeInfo typeInfo, ComTypeLibDesc typeLibDesc) :
            base(typeInfo, ComType.Enum, typeLibDesc) {
            ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
            string[] memberNames = new string[typeAttr.cVars];
            object[] memberValues = new object[typeAttr.cVars];

            IntPtr p = IntPtr.Zero;

            // For each enum member get name and value.
            for (int i = 0; i < typeAttr.cVars; i++) {
                typeInfo.GetVarDesc(i, out p);

                // Get the enum member value (as object).
                ComTypes.VARDESC varDesc;

                try {
                    varDesc = (ComTypes.VARDESC)Marshal.PtrToStructure(p, typeof(ComTypes.VARDESC));

                    if (varDesc.varkind == ComTypes.VARKIND.VAR_CONST) {
                        memberValues[i] = Marshal.GetObjectForNativeVariant(varDesc.desc.lpvarValue);
                    }
                } finally {
                    typeInfo.ReleaseVarDesc(p);
                }

                // Get the enum member name
                memberNames[i] = ComRuntimeHelpers.GetNameOfMethod(typeInfo, varDesc.memid);
            }

            _memberNames = memberNames;
            _memberValues = memberValues;
        }