Exemplo n.º 1
0
        public static void Write(this IPropertyBag2 propertyBag2, string propertyName, object?value)
        {
            PROPBAG2 propBag = new PROPBAG2();

            propBag.pstrName = Marshal.StringToCoTaskMemUni(propertyName);
            try
            {
                propertyBag2.Write(1, new[] { propBag }, new[] { value });
            }
            finally
            {
                Marshal.FreeCoTaskMem(propBag.pstrName);
            }
        }
Exemplo n.º 2
0
        public static object?Read(this IPropertyBag2 propertyBag2, string propertyName)
        {
            PROPBAG2 propBag = new PROPBAG2();

            propBag.pstrName = Marshal.StringToCoTaskMemUni(propertyName);
            try
            {
                object?[] values = new object?[1];
                int[]     errors = new int[1];
                propertyBag2.Read(1, new[] { propBag }, null, values, errors);
                if (errors[0] != 0)
                {
                    throw new COMException("Could not read property.", errors[0]);
                }
                return(values[0]);
            }
            finally
            {
                Marshal.FreeCoTaskMem(propBag.pstrName);
            }
        }