Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Activities / Executors / InvokeBase.cs / 1305376 / InvokeBase.cs
using System; using System.Reflection; using System.Collections; using System.Diagnostics; using System.Workflow.ComponentModel; using System.Workflow.Runtime; using System.Runtime.Serialization; using System.Runtime.Serialization.Formatters.Binary; namespace System.Workflow.Activities { internal static class InvokeHelper { internal static void InitializeParameters(MethodInfo methodBase, WorkflowParameterBindingCollection parameterBindings) { ParameterInfo[] parameters = methodBase.GetParameters(); foreach (ParameterInfo parameter in parameters) { if (!parameterBindings.Contains(parameter.Name)) parameterBindings.Add(new WorkflowParameterBinding(parameter.Name)); } if (methodBase.ReturnType != typeof(void)) { if (!parameterBindings.Contains("(ReturnValue)")) parameterBindings.Add(new WorkflowParameterBinding("(ReturnValue)")); } } internal static object[] GetParameters(MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings) { ParameterInfo[] formalParameters = methodBase.GetParameters(); object[] actualParameters = new object[formalParameters.Length]; int index = 0; foreach (ParameterInfo formalParameter in formalParameters) { if (parameterBindings.Contains(formalParameter.Name)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; actualParameters[index] = binding.Value; } index++; } return actualParameters; } internal static object[] GetParameters(MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings, out ParameterModifier[] parameterModifiers) { ParameterInfo[] formalParameters = methodBase.GetParameters(); object[] actualParameters = new object[formalParameters.Length]; if (actualParameters.Length == 0) { parameterModifiers = new ParameterModifier[0]; return actualParameters; } int index = 0; BinaryFormatter formatter = null; ParameterModifier parameterModifier = new ParameterModifier(actualParameters.Length); foreach (ParameterInfo formalParameter in formalParameters) { if (formalParameter.ParameterType.IsByRef) { parameterModifier[index] = true; } else { parameterModifier[index] = false; } if (parameterBindings.Contains(formalParameter.Name)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; if(formatter == null) formatter = new BinaryFormatter(); actualParameters[index] = CloneOutboundValue(binding.Value, formatter, formalParameter.Name); } index++; } parameterModifiers = new ParameterModifier[1] { parameterModifier }; return actualParameters; } internal static object CloneOutboundValue(object source, BinaryFormatter formatter, string name) { if (source == null || source.GetType().IsValueType) return source; ICloneable clone = source as ICloneable; if (clone != null) return clone.Clone(); System.IO.MemoryStream stream = new System.IO.MemoryStream(1024); try { formatter.Serialize(stream, source); } catch (SerializationException e) { throw new InvalidOperationException(SR.GetString(SR.Error_CallExternalMethodArgsSerializationException, name), e); } stream.Position = 0; object cloned = formatter.Deserialize(stream); return cloned; } internal static void SaveOutRefParameters(object[] actualParameters, MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings) { int index = 0; BinaryFormatter formatter = null; foreach(ParameterInfo formalParameter in methodBase.GetParameters()) { if (parameterBindings.Contains(formalParameter.Name)) { if (formalParameter.ParameterType.IsByRef || (formalParameter.IsIn && formalParameter.IsOut)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; if (formatter == null) formatter = new BinaryFormatter(); binding.Value = CloneOutboundValue(actualParameters[index], formatter, formalParameter.Name); ; } } index++; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Reflection; using System.Collections; using System.Diagnostics; using System.Workflow.ComponentModel; using System.Workflow.Runtime; using System.Runtime.Serialization; using System.Runtime.Serialization.Formatters.Binary; namespace System.Workflow.Activities { internal static class InvokeHelper { internal static void InitializeParameters(MethodInfo methodBase, WorkflowParameterBindingCollection parameterBindings) { ParameterInfo[] parameters = methodBase.GetParameters(); foreach (ParameterInfo parameter in parameters) { if (!parameterBindings.Contains(parameter.Name)) parameterBindings.Add(new WorkflowParameterBinding(parameter.Name)); } if (methodBase.ReturnType != typeof(void)) { if (!parameterBindings.Contains("(ReturnValue)")) parameterBindings.Add(new WorkflowParameterBinding("(ReturnValue)")); } } internal static object[] GetParameters(MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings) { ParameterInfo[] formalParameters = methodBase.GetParameters(); object[] actualParameters = new object[formalParameters.Length]; int index = 0; foreach (ParameterInfo formalParameter in formalParameters) { if (parameterBindings.Contains(formalParameter.Name)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; actualParameters[index] = binding.Value; } index++; } return actualParameters; } internal static object[] GetParameters(MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings, out ParameterModifier[] parameterModifiers) { ParameterInfo[] formalParameters = methodBase.GetParameters(); object[] actualParameters = new object[formalParameters.Length]; if (actualParameters.Length == 0) { parameterModifiers = new ParameterModifier[0]; return actualParameters; } int index = 0; BinaryFormatter formatter = null; ParameterModifier parameterModifier = new ParameterModifier(actualParameters.Length); foreach (ParameterInfo formalParameter in formalParameters) { if (formalParameter.ParameterType.IsByRef) { parameterModifier[index] = true; } else { parameterModifier[index] = false; } if (parameterBindings.Contains(formalParameter.Name)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; if(formatter == null) formatter = new BinaryFormatter(); actualParameters[index] = CloneOutboundValue(binding.Value, formatter, formalParameter.Name); } index++; } parameterModifiers = new ParameterModifier[1] { parameterModifier }; return actualParameters; } internal static object CloneOutboundValue(object source, BinaryFormatter formatter, string name) { if (source == null || source.GetType().IsValueType) return source; ICloneable clone = source as ICloneable; if (clone != null) return clone.Clone(); System.IO.MemoryStream stream = new System.IO.MemoryStream(1024); try { formatter.Serialize(stream, source); } catch (SerializationException e) { throw new InvalidOperationException(SR.GetString(SR.Error_CallExternalMethodArgsSerializationException, name), e); } stream.Position = 0; object cloned = formatter.Deserialize(stream); return cloned; } internal static void SaveOutRefParameters(object[] actualParameters, MethodBase methodBase, WorkflowParameterBindingCollection parameterBindings) { int index = 0; BinaryFormatter formatter = null; foreach(ParameterInfo formalParameter in methodBase.GetParameters()) { if (parameterBindings.Contains(formalParameter.Name)) { if (formalParameter.ParameterType.IsByRef || (formalParameter.IsIn && formalParameter.IsOut)) { WorkflowParameterBinding binding = parameterBindings[formalParameter.Name]; if (formatter == null) formatter = new BinaryFormatter(); binding.Value = CloneOutboundValue(actualParameters[index], formatter, formalParameter.Name); ; } } index++; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RowUpdatingEventArgs.cs
- CodeGroup.cs
- ApplicationHost.cs
- XmlHelper.cs
- OdbcConnection.cs
- ToolboxBitmapAttribute.cs
- KeyValuePairs.cs
- CompModSwitches.cs
- ImageDesigner.cs
- ComplusEndpointConfigContainer.cs
- TextBox.cs
- OdbcError.cs
- KeyValueConfigurationElement.cs
- ExtendedPropertiesHandler.cs
- elementinformation.cs
- tooltip.cs
- DataGridCell.cs
- FontFamilyIdentifier.cs
- tooltip.cs
- RowTypeElement.cs
- RadioButtonBaseAdapter.cs
- DoubleAnimationUsingPath.cs
- Int16KeyFrameCollection.cs
- GenericEnumConverter.cs
- XmlSchemaAttribute.cs
- PointKeyFrameCollection.cs
- XpsPackagingPolicy.cs
- ToolStripDesignerAvailabilityAttribute.cs
- CapabilitiesRule.cs
- UTF8Encoding.cs
- ComponentChangingEvent.cs
- BmpBitmapEncoder.cs
- ObjectToModelValueConverter.cs
- GroupQuery.cs
- StringOutput.cs
- TableAutomationPeer.cs
- Activity.cs
- AssemblyInfo.cs
- ClientTargetCollection.cs
- HttpListenerRequest.cs
- UInt16.cs
- ScaleTransform.cs
- TypeUtils.cs
- COM2ColorConverter.cs
- ColumnTypeConverter.cs
- ListViewAutomationPeer.cs
- CompressedStack.cs
- BuildProvidersCompiler.cs
- CodeAttributeArgument.cs
- ToolboxItemCollection.cs
- FixedSOMSemanticBox.cs
- ImageButton.cs
- RegistryPermission.cs
- CapabilitiesSection.cs
- CopyAction.cs
- SelectionProcessor.cs
- SqlXmlStorage.cs
- SoapEnumAttribute.cs
- ProtocolImporter.cs
- CharacterHit.cs
- OneOf.cs
- ExpandableObjectConverter.cs
- GenericIdentity.cs
- SqlGenericUtil.cs
- SqlProcedureAttribute.cs
- _BufferOffsetSize.cs
- CollectionViewGroup.cs
- ClientSponsor.cs
- XmlSignatureProperties.cs
- SQLByte.cs
- UpdatePanelTriggerCollection.cs
- HuffmanTree.cs
- PropertyExpression.cs
- InstrumentationTracker.cs
- ApplicationManager.cs
- WsdlInspector.cs
- UpDownEvent.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- MLangCodePageEncoding.cs
- IntegerValidatorAttribute.cs
- XamlReader.cs
- TableCellAutomationPeer.cs
- TextParagraphProperties.cs
- AssemblyBuilder.cs
- HandleRef.cs
- CellLabel.cs
- WindowsFormsEditorServiceHelper.cs
- HeaderCollection.cs
- ComboBoxRenderer.cs
- OleDbMetaDataFactory.cs
- dbdatarecord.cs
- WebPartEditorOkVerb.cs
- BookmarkResumptionRecord.cs
- CompModSwitches.cs
- UriSection.cs
- NotFiniteNumberException.cs
- ComponentFactoryHelpers.cs
- DictionaryEntry.cs
- OpenTypeLayoutCache.cs
- ConfigsHelper.cs