Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- ObsoleteAttribute.cs
- TextBoxLine.cs
- PieceNameHelper.cs
- BuildDependencySet.cs
- QEncodedStream.cs
- ContentPlaceHolderDesigner.cs
- ContentControl.cs
- ObjectAnimationUsingKeyFrames.cs
- NamespaceExpr.cs
- QilValidationVisitor.cs
- HttpHandlerActionCollection.cs
- ArgumentValidation.cs
- WorkflowTraceTransfer.cs
- ListViewHitTestInfo.cs
- DBCommand.cs
- ProcessHostFactoryHelper.cs
- BitVector32.cs
- DragCompletedEventArgs.cs
- MarginCollapsingState.cs
- ToolBar.cs
- InvocationExpression.cs
- HMACSHA384.cs
- TimeSpanMinutesOrInfiniteConverter.cs
- PageParser.cs
- CacheRequest.cs
- BitmapEffectRenderDataResource.cs
- SQlBooleanStorage.cs
- CompilerScope.Storage.cs
- EdmError.cs
- XmlValueConverter.cs
- KeyNameIdentifierClause.cs
- GraphicsPath.cs
- XmlWellformedWriter.cs
- base64Transforms.cs
- SHA256CryptoServiceProvider.cs
- Point4D.cs
- AlgoModule.cs
- AutoCompleteStringCollection.cs
- KeyValueConfigurationElement.cs
- TypeConverterBase.cs
- ArglessEventHandlerProxy.cs
- ControlPropertyNameConverter.cs
- WindowsRegion.cs
- SqlRetyper.cs
- FrameworkReadOnlyPropertyMetadata.cs
- SimpleType.cs
- BrushProxy.cs
- CaseInsensitiveComparer.cs
- TrackingConditionCollection.cs
- WithStatement.cs
- XmlCollation.cs
- ProviderConnectionPoint.cs
- KeyedHashAlgorithm.cs
- IFlowDocumentViewer.cs
- TransactionScope.cs
- LOSFormatter.cs
- WebRequestModuleElementCollection.cs
- CapabilitiesRule.cs
- SessionEndingEventArgs.cs
- DictionaryBase.cs
- FileAuthorizationModule.cs
- ObjectListItem.cs
- TransformGroup.cs
- ListViewItem.cs
- ValidationSummary.cs
- RuleElement.cs
- ColumnProvider.cs
- XPathParser.cs
- SvcMapFileSerializer.cs
- SpecialFolderEnumConverter.cs
- Matrix3DConverter.cs
- TdsParserStateObject.cs
- _TransmitFileOverlappedAsyncResult.cs
- InternalControlCollection.cs
- DesignTimeVisibleAttribute.cs
- ProviderMetadata.cs
- RegisteredExpandoAttribute.cs
- StreamGeometry.cs
- Select.cs
- TargetInvocationException.cs
- SqlConnectionFactory.cs
- SoapInteropTypes.cs
- UnregisterInfo.cs
- IncomingWebResponseContext.cs
- GlyphElement.cs
- CanonicalXml.cs
- CodeCatchClause.cs
- Expression.cs
- PluggableProtocol.cs
- EntityViewContainer.cs
- EventHandlerList.cs
- WebControl.cs
- ServiceX509SecurityTokenProvider.cs
- RegularExpressionValidator.cs
- ExtentKey.cs
- DataExpression.cs
- Calendar.cs
- XamlInterfaces.cs
- Label.cs
- _ConnectStream.cs