Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / Layout / LayoutEngine.cs / 1 / 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; } /// 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; } /// 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
- WebPartUtil.cs
- XmlSchemaAnnotation.cs
- OracleCommandBuilder.cs
- KnownIds.cs
- UrlPropertyAttribute.cs
- ScalarOps.cs
- BufferedWebEventProvider.cs
- HotSpot.cs
- ListBox.cs
- SqlRewriteScalarSubqueries.cs
- JsonQNameDataContract.cs
- DataGridViewComboBoxColumn.cs
- DefaultWorkflowSchedulerService.cs
- ClrProviderManifest.cs
- ViewCellRelation.cs
- XamlPathDataSerializer.cs
- RecoverInstanceLocksCommand.cs
- CalendarDesigner.cs
- SendMailErrorEventArgs.cs
- MaterialCollection.cs
- StorageEndPropertyMapping.cs
- SiteMapNodeCollection.cs
- DynamicILGenerator.cs
- RegexCapture.cs
- DataBoundControl.cs
- StringFreezingAttribute.cs
- IdentitySection.cs
- LocationUpdates.cs
- RotationValidation.cs
- SoapSchemaMember.cs
- MimeBasePart.cs
- SqlStatistics.cs
- _HelperAsyncResults.cs
- SqlConnectionPoolGroupProviderInfo.cs
- WebResourceAttribute.cs
- SecUtil.cs
- AsyncMethodInvoker.cs
- SystemTcpConnection.cs
- TextDecorationCollection.cs
- FileAuthorizationModule.cs
- WindowsContainer.cs
- AssemblyInfo.cs
- AdRotator.cs
- GridView.cs
- CodeNamespaceCollection.cs
- ChtmlLinkAdapter.cs
- EvidenceBase.cs
- FileDataSourceCache.cs
- TrackBar.cs
- CodeIterationStatement.cs
- _Events.cs
- messageonlyhwndwrapper.cs
- NameValueConfigurationElement.cs
- Parameter.cs
- Console.cs
- NodeFunctions.cs
- TypeContext.cs
- GridViewRow.cs
- GeneralTransform3DGroup.cs
- StreamSecurityUpgradeProvider.cs
- DbgCompiler.cs
- ZipIOExtraFieldElement.cs
- OdbcInfoMessageEvent.cs
- ModulesEntry.cs
- FontFamilyConverter.cs
- dbdatarecord.cs
- IssuerInformation.cs
- ResourceManagerWrapper.cs
- PagesChangedEventArgs.cs
- ClassImporter.cs
- Int64AnimationUsingKeyFrames.cs
- AdvancedBindingPropertyDescriptor.cs
- Button.cs
- PinProtectionHelper.cs
- ResourceDictionary.cs
- WindowsAuthenticationEventArgs.cs
- ChangesetResponse.cs
- NullReferenceException.cs
- PackagePartCollection.cs
- DataChangedEventManager.cs
- SelectionUIService.cs
- ALinqExpressionVisitor.cs
- SQLBoolean.cs
- TimerElapsedEvenArgs.cs
- FormViewAutoFormat.cs
- Ray3DHitTestResult.cs
- AssemblyBuilderData.cs
- FixedSOMSemanticBox.cs
- Stroke2.cs
- ActivityMetadata.cs
- HexParser.cs
- SecurityNegotiationException.cs
- ToolStripPanel.cs
- ConstrainedDataObject.cs
- ToolStrip.cs
- Vector.cs
- RequiredFieldValidator.cs
- ProcessManager.cs
- TextBox.cs
- MessageQueueCriteria.cs