コード例 #1
0
        /// <summary>
        /// Loads configuration property for component.
        /// </summary>
        /// <param name="propertyBag">The configuration property bag.</param>
        /// <param name="errorLog">Error status (not in use).</param>
        void IPersistPropertyBag.Load(IPropertyBag propertyBag, int errorLog)
        {
            // The outer try/catch block is intended to catch an exception related of incorrect tracing configuration or missing tracing component assembly.
            try
            {
                var callToken = PipelineTraceManager.TraceIn();

                try
                {
                    IDictionary <string, object> props = GetConfigurableProperties();

                    if (props != null && props.Count > 0)
                    {
                        using (DisposableObjectWrapper dispObjects = new DisposableObjectWrapper(propertyBag, props))
                        {
                            ICollection <string> propertyNameList = new List <string>(props.Keys);

                            foreach (string propName in propertyNameList)
                            {
                                // Read the component property value from property bag provided.
                                object value = PropertyHelper.ReadPropertyBag(propertyBag, propName);

                                // Only change the value if it was returned from the property bag to prevent detaults from being wiped out.
                                if (value != null)
                                {
                                    props[propName] = value;
                                }
                            }

                            // Update the instance properties which are marked with a Browsable attribute.
                            ApplyConfigurableProperties(props);

                            // Invoke the user implementation of the Load method in case there are any custom properties require loading.
                            Load(propertyBag, errorLog);
                        }
                    }

                    PipelineTraceManager.TraceOut(callToken);
                }
                catch (Exception e)
                {
                    // Put component name as a source in this exception so that the error message could reflect this.
                    e.Source = this.Name;

                    // Trace the exception details.
                    PipelineTraceManager.TraceError(e, EnableDetailedExceptions, callToken);

                    // Re-throw the exception so that it can be handled by the caller.
                    throw;
                }
            }
            catch (Exception ex)
            {
                Trace.WriteLine(ExceptionTextFormatter.Format(ex));
            }
        }
コード例 #2
0
        /// <summary>
        /// Saves properties to the property bag.
        /// </summary>
        /// <param name="propertyBag">The property bag to manipulate.</param>
        /// <param name="clearDirty">Indicates if we should reset the IsDirty flag.</param>
        /// <param name="saveAllProperties">Indicates whether all properties should be saved.</param>
        void IPersistPropertyBag.Save(IPropertyBag propertyBag, bool clearDirty, bool saveAllProperties)
        {
            var callToken = PipelineTraceManager.TraceIn();

            try
            {
                IDictionary <string, object> props = GetConfigurableProperties();

                if (props != null && props.Count > 0)
                {
                    using (DisposableObjectWrapper dispObjectWrapper = new DisposableObjectWrapper(propertyBag, props))
                    {
                        foreach (KeyValuePair <string, object> prop in props)
                        {
                            // Write the configuration property values into a property bag provided.
                            PropertyHelper.WritePropertyBag(propertyBag, prop.Key, prop.Value);
                        }

                        // Invoke the user implementation of the Save method in case there are any custom properties require storing.
                        Save(propertyBag, clearDirty, saveAllProperties);
                    }
                }

                PipelineTraceManager.TraceOut(callToken);
            }
            catch (Exception e)
            {
                // Put component name as a source in this exception so that the error message could reflect this.
                e.Source = this.Name;

                // Trace the exception details.
                PipelineTraceManager.TraceError(e, EnableDetailedExceptions, callToken);

                // Re-throw the exception so that it can be handled by the caller.
                throw;
            }
        }