Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / Layout / LayoutEngine.cs / 1305376 / LayoutEngine.cs
//#define LAYOUT_PERFWATCH //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.Layout { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Drawing; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.Security.Permissions; ///public abstract class LayoutEngine { internal IArrangedElement CastToArrangedElement(object obj) { IArrangedElement element = obj as IArrangedElement; if(obj == null) { throw new NotSupportedException(SR.GetString(SR.LayoutEngineUnsupportedType, obj.GetType())); } return element; } internal virtual Size GetPreferredSize(IArrangedElement container, Size proposedConstraints) { return Size.Empty; } /// [System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")] public virtual void InitLayout(object child, BoundsSpecified specified) { InitLayoutCore(CastToArrangedElement(child), specified); } internal virtual void InitLayoutCore(IArrangedElement element, BoundsSpecified bounds) {} internal virtual void ProcessSuspendedLayoutEventArgs(IArrangedElement container, LayoutEventArgs args) {} #if LAYOUT_PERFWATCH private static int LayoutWatch = 100; #endif /// [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] public virtual bool Layout(object container, LayoutEventArgs layoutEventArgs) { #if LAYOUT_PERFWATCH Debug.WriteLine(container.GetType().Name + "::Layout(" + (layoutEventArgs.AffectedControl != null ? layoutEventArgs.AffectedControl.Name : "null") + ", " + layoutEventArgs.AffectedProperty + ")"); Debug.Indent(); Stopwatch sw = new Stopwatch(); sw.Start(); #endif bool parentNeedsLayout = LayoutCore(CastToArrangedElement(container), layoutEventArgs); #if LAYOUT_PERFWATCH sw.Stop(); if (sw.ElapsedMilliseconds > LayoutWatch && Debugger.IsAttached) { Debugger.Break(); } Debug.Unindent(); Debug.WriteLine(container.GetType().Name + "::Layout elapsed " + sw.ElapsedMilliseconds.ToString() + " returned: " + parentNeedsLayout); #endif return parentNeedsLayout; } internal virtual bool LayoutCore(IArrangedElement container, LayoutEventArgs layoutEventArgs) { return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //#define LAYOUT_PERFWATCH //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.Layout { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Drawing; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.Security.Permissions; ///public abstract class LayoutEngine { internal IArrangedElement CastToArrangedElement(object obj) { IArrangedElement element = obj as IArrangedElement; if(obj == null) { throw new NotSupportedException(SR.GetString(SR.LayoutEngineUnsupportedType, obj.GetType())); } return element; } internal virtual Size GetPreferredSize(IArrangedElement container, Size proposedConstraints) { return Size.Empty; } /// [System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")] public virtual void InitLayout(object child, BoundsSpecified specified) { InitLayoutCore(CastToArrangedElement(child), specified); } internal virtual void InitLayoutCore(IArrangedElement element, BoundsSpecified bounds) {} internal virtual void ProcessSuspendedLayoutEventArgs(IArrangedElement container, LayoutEventArgs args) {} #if LAYOUT_PERFWATCH private static int LayoutWatch = 100; #endif /// [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] public virtual bool Layout(object container, LayoutEventArgs layoutEventArgs) { #if LAYOUT_PERFWATCH Debug.WriteLine(container.GetType().Name + "::Layout(" + (layoutEventArgs.AffectedControl != null ? layoutEventArgs.AffectedControl.Name : "null") + ", " + layoutEventArgs.AffectedProperty + ")"); Debug.Indent(); Stopwatch sw = new Stopwatch(); sw.Start(); #endif bool parentNeedsLayout = LayoutCore(CastToArrangedElement(container), layoutEventArgs); #if LAYOUT_PERFWATCH sw.Stop(); if (sw.ElapsedMilliseconds > LayoutWatch && Debugger.IsAttached) { Debugger.Break(); } Debug.Unindent(); Debug.WriteLine(container.GetType().Name + "::Layout elapsed " + sw.ElapsedMilliseconds.ToString() + " returned: " + parentNeedsLayout); #endif return parentNeedsLayout; } internal virtual bool LayoutCore(IArrangedElement container, LayoutEventArgs layoutEventArgs) { return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Model3D.cs
- XmlSchemaComplexContentRestriction.cs
- HttpModulesSection.cs
- OdbcEnvironment.cs
- BamlRecordReader.cs
- SecurityContext.cs
- unsafenativemethodstextservices.cs
- TableAdapterManagerNameHandler.cs
- PersonalizationStateInfoCollection.cs
- CopyOnWriteList.cs
- InstanceDataCollection.cs
- CombinedHttpChannel.cs
- ThousandthOfEmRealDoubles.cs
- lengthconverter.cs
- DirectoryObjectSecurity.cs
- ExpressionLink.cs
- HandlerFactoryWrapper.cs
- XmlEncodedRawTextWriter.cs
- XmlSchemaDocumentation.cs
- SignatureToken.cs
- XPathNodePointer.cs
- DNS.cs
- PageParser.cs
- ImageFormat.cs
- ContentOperations.cs
- SpanIndex.cs
- SqlStatistics.cs
- Exception.cs
- TdsParser.cs
- RadioButtonList.cs
- WaitForChangedResult.cs
- DockPattern.cs
- OLEDB_Enum.cs
- SelectQueryOperator.cs
- MediaCommands.cs
- NamespaceEmitter.cs
- SelectionEditor.cs
- GenerateHelper.cs
- RequiredAttributeAttribute.cs
- ServiceSettingsResponseInfo.cs
- GcSettings.cs
- ElementHost.cs
- MetadataCache.cs
- XmlReturnWriter.cs
- Calendar.cs
- MediaScriptCommandRoutedEventArgs.cs
- WebRequestModuleElementCollection.cs
- FileLogRecordHeader.cs
- AdRotator.cs
- PerformanceCounterCategory.cs
- InteropAutomationProvider.cs
- WindowsListViewGroupHelper.cs
- URLMembershipCondition.cs
- Funcletizer.cs
- BasicCellRelation.cs
- XamlTreeBuilder.cs
- Models.cs
- BaseCodeDomTreeGenerator.cs
- DataGridTextBoxColumn.cs
- ZipIOLocalFileHeader.cs
- PermissionSet.cs
- SrgsGrammar.cs
- BindingList.cs
- SolidColorBrush.cs
- WorkflowMarkupSerializer.cs
- ZipIOLocalFileBlock.cs
- RightsManagementEncryptedStream.cs
- LogicalChannelCollection.cs
- RotateTransform.cs
- QueryExtender.cs
- SQLString.cs
- ChannelManager.cs
- StringDictionaryWithComparer.cs
- ConfigurationElement.cs
- HotSpot.cs
- SecurityContext.cs
- WindowsFormsSectionHandler.cs
- DrawingContextWalker.cs
- EntityClientCacheEntry.cs
- ComponentDispatcher.cs
- Label.cs
- ConstrainedGroup.cs
- ToolStripDropDownMenu.cs
- TemplatePropertyEntry.cs
- ProfilePropertySettingsCollection.cs
- UpdateCompiler.cs
- XmlSignatureManifest.cs
- SweepDirectionValidation.cs
- ErrorFormatter.cs
- PackageFilter.cs
- XamlPointCollectionSerializer.cs
- TextLineBreak.cs
- FlowDocumentPage.cs
- TypeDescriptorFilterService.cs
- NullableIntMinMaxAggregationOperator.cs
- WebBrowserUriTypeConverter.cs
- DocumentOrderQuery.cs
- TableLayoutSettingsTypeConverter.cs
- AddIn.cs
- OleDbMetaDataFactory.cs