Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / WebControls / HotSpot.cs / 1 / HotSpot.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Drawing.Design; using System.Web.UI; using System.Globalization; using System.Security.Permissions; ////// [ TypeConverter(typeof(ExpandableObjectConverter)) ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class HotSpot : IStateManager { private bool _isTrackingViewState; private StateBag _viewState; ///Defines abstract class from which all HotSpot shapes must inherit. ////// [ DefaultValue(""), Localizable(true), WebCategory("Accessibility"), WebSysDescription(SR.HotSpot_AccessKey) ] public virtual string AccessKey { get { string s = (string)ViewState["AccessKey"]; if (s != null) { return s; } return String.Empty; } set { // Valid values are null, String.Empty, and single character strings if ((value != null) && (value.Length > 1)) { throw new ArgumentOutOfRangeException("value"); } ViewState["AccessKey"] = value; } } ///Gets or sets the keyboard shortcut key (AccessKey) for setting focus to the /// HotSpot. ////// [ #if ORCAS Verification("WCAG", "1.1", VerificationReportLevel.Error, 1, SR.Accessibility_ImageAlternateTextMissing), Verification("ADA", "1194.22(a)", VerificationReportLevel.Error, 1, SR.Accessibility_ImageAlternateTextMissing) #endif Localizable(true), Bindable(true), WebCategory("Behavior"), DefaultValue(""), WebSysDescription(SR.HotSpot_AlternateText), NotifyParentProperty(true) ] public virtual String AlternateText { get { object text = ViewState["AlternateText"]; return (text == null)? String.Empty : (string)text; } set { ViewState["AlternateText"] = value; } } ///Gets or sets the tool tip displayed over the /// hotspot and the text for device-specific display. ////// [ WebCategory("Behavior"), DefaultValue(HotSpotMode.NotSet), WebSysDescription(SR.HotSpot_HotSpotMode), NotifyParentProperty(true) ] public virtual HotSpotMode HotSpotMode { get { object obj = ViewState["HotSpotMode"]; return (obj == null) ? HotSpotMode.NotSet : (HotSpotMode)obj; } set { if (value < HotSpotMode.NotSet || value > HotSpotMode.Inactive) { throw new ArgumentOutOfRangeException("value"); } ViewState["HotSpotMode"] = value; } } ///Gets or sets the HotSpotMode to either postback or navigation. ////// [ Bindable(true), WebCategory("Behavior"), DefaultValue(""), WebSysDescription(SR.HotSpot_PostBackValue), NotifyParentProperty(true) ] public String PostBackValue { get { object value = ViewState["PostBackValue"]; return (value == null)? String.Empty : (string)value; } set { ViewState["PostBackValue"] = value; } } ///Gets or sets the argument for postback event. ////// protected internal abstract string MarkupName { get; } ///Gets the markup language string representation of the shape name. ////// [ Bindable(true), WebCategory("Behavior"), DefaultValue(""), WebSysDescription(SR.HotSpot_NavigateUrl), NotifyParentProperty(true), UrlProperty(), Editor("System.Web.UI.Design.UrlEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)), ] public String NavigateUrl { get { object value = ViewState["NavigateUrl"]; return (value == null)? String.Empty : (string)value; } set { ViewState["NavigateUrl"] = value; } } ///Gets or sets the navigation url. ////// [ DefaultValue((short)0), WebCategory("Accessibility"), WebSysDescription(SR.HotSpot_TabIndex) ] public virtual short TabIndex { get { object o = ViewState["TabIndex"]; if (o != null) { return (short) o; } return (short)0; } set { ViewState["TabIndex"] = value; } } ////// Gets or /// sets the tab index of the HotSpot. ////// [ WebCategory("Behavior"), DefaultValue(""), TypeConverter(typeof(TargetConverter)), WebSysDescription(SR.HotSpot_Target), NotifyParentProperty(true) ] public virtual string Target { get { object value = ViewState["Target"]; return (value == null)? String.Empty : (string)value; } set { ViewState["Target"] = value; } } [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] protected StateBag ViewState { get { if (_viewState == null) { _viewState = new StateBag(false); if (_isTrackingViewState) ((IStateManager)_viewState).TrackViewState(); } return _viewState; } } ///Gets or sets the name of the window for navigation. ////// public abstract string GetCoordinates(); internal void SetDirty() { if (_viewState != null) { _viewState.SetDirty(true); } } public override string ToString () { return GetType().Name; } #region IStatemanager implementation ///Returns a representation of the coordinates according to HTML standards. ////// protected virtual bool IsTrackingViewState { get { return _isTrackingViewState; } } ///Gets a value indicating whether a server control is tracking its view state changes. ////// protected virtual void LoadViewState(object savedState) { if (savedState != null) { ViewState.LoadViewState(savedState); } } ///Restores view-state information that was saved by SaveViewState. ////// protected virtual object SaveViewState() { if (_viewState != null) { return _viewState.SaveViewState(); } return null; } ///Saves any server control view-state changes that have /// occurred since the time the page was posted back to the server. ////// protected virtual void TrackViewState() { _isTrackingViewState = true; if (_viewState != null) { _viewState.TrackViewState(); } } // private implementation of IStateManager ///Causes the tracking of view-state changes to the server control. ///bool IStateManager.IsTrackingViewState { get { return IsTrackingViewState; } } /// void IStateManager.LoadViewState(object savedState) { LoadViewState(savedState); } /// object IStateManager.SaveViewState() { return SaveViewState(); } /// void IStateManager.TrackViewState() { TrackViewState(); } #endregion } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FunctionNode.cs
- SafeRightsManagementSessionHandle.cs
- EntityWrapper.cs
- ProvideValueServiceProvider.cs
- WindowsContainer.cs
- SiteOfOriginPart.cs
- IImplicitResourceProvider.cs
- Faults.cs
- TimeZoneNotFoundException.cs
- ListViewItemEventArgs.cs
- DelegatingStream.cs
- SafeNativeMethods.cs
- FormViewDeletedEventArgs.cs
- ReadOnlyObservableCollection.cs
- NumberAction.cs
- QueryStringConverter.cs
- WebPartEditVerb.cs
- ExtensibleClassFactory.cs
- DuplicateDetector.cs
- AssemblyCache.cs
- UriSectionReader.cs
- Function.cs
- CustomWebEventKey.cs
- WebEvents.cs
- Point4D.cs
- XmlValidatingReader.cs
- DbConnectionPool.cs
- Facet.cs
- XsltInput.cs
- XmlCustomFormatter.cs
- RtType.cs
- XmlWriterTraceListener.cs
- TextBox.cs
- GotoExpression.cs
- VirtualDirectoryMappingCollection.cs
- WriteFileContext.cs
- ObjectSet.cs
- GifBitmapEncoder.cs
- XPathDocumentNavigator.cs
- PagedDataSource.cs
- TextAdaptor.cs
- XmlValidatingReaderImpl.cs
- GridViewHeaderRowPresenterAutomationPeer.cs
- LineGeometry.cs
- MetadataItemSerializer.cs
- HuffmanTree.cs
- KnownIds.cs
- HandlerBase.cs
- IERequestCache.cs
- BitmapImage.cs
- Assembly.cs
- mda.cs
- ClientBase.cs
- TraceData.cs
- TypeUtil.cs
- UpDownEvent.cs
- SoapAttributeOverrides.cs
- MSHTMLHostUtil.cs
- PeerResolverBindingElement.cs
- SqlUDTStorage.cs
- SecurityContext.cs
- FullTextLine.cs
- ConnectorSelectionGlyph.cs
- HandleScope.cs
- AdapterSwitches.cs
- RtType.cs
- SelectionHighlightInfo.cs
- CustomAttribute.cs
- WindowsButton.cs
- GeneralTransformGroup.cs
- DoubleLinkListEnumerator.cs
- DataGridViewCellStyleContentChangedEventArgs.cs
- OciLobLocator.cs
- WindowHideOrCloseTracker.cs
- InvalidOperationException.cs
- XmlAttributeAttribute.cs
- ColorContextHelper.cs
- EnumerableWrapperWeakToStrong.cs
- HtmlLabelAdapter.cs
- UiaCoreApi.cs
- ComponentEditorForm.cs
- HtmlTableCell.cs
- DirectoryNotFoundException.cs
- ExceptionHelpers.cs
- TextChangedEventArgs.cs
- InkCanvasFeedbackAdorner.cs
- IndexerNameAttribute.cs
- CommonRemoteMemoryBlock.cs
- BitmapImage.cs
- SchemaHelper.cs
- DecimalAnimation.cs
- XmlIlVisitor.cs
- WeakReferenceKey.cs
- Rijndael.cs
- SqlBulkCopyColumnMapping.cs
- MemberPath.cs
- PartitionerQueryOperator.cs
- WebPartManager.cs
- Queue.cs
- PageSettings.cs