Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / PropertyOverridesTypeEditor.cs / 1305376 / PropertyOverridesTypeEditor.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.MobileControls { using System; using System.ComponentModel; using System.ComponentModel.Design; using System.Diagnostics; using System.Drawing.Design; using System.Windows.Forms.Design; using DialogResult = System.Windows.Forms.DialogResult; [ System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode) ] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal class PropertyOverridesTypeEditor : UITypeEditor { private static readonly String _propertyOverridesDescription = "PropertyOverrides"; public override Object EditValue(ITypeDescriptorContext context, IServiceProvider provider, Object value) { Debug.Assert(context.Instance is Control, "Expected control"); Control ctrl = (Control) context.Instance; IServiceProvider serviceProvider; ISite site = ctrl.Site; if (site == null && ctrl.Page != null) { site = ctrl.Page.Site; } if (site != null) { serviceProvider = site; } else { serviceProvider = provider; } Debug.Assert(serviceProvider != null, "Failed to get the serviceProvider"); IComponentChangeService changeService = (IComponentChangeService) serviceProvider.GetService(typeof(IComponentChangeService)); IDesignerHost designerHost = (IDesignerHost) serviceProvider.GetService(typeof(IDesignerHost)); Debug.Assert(designerHost != null, "Must always have access to IDesignerHost service"); IDeviceSpecificDesigner dsDesigner = designerHost.GetDesigner(ctrl) as IDeviceSpecificDesigner; Debug.Assert(dsDesigner != null, "Expected component designer to implement IDeviceSpecificDesigner"); IMobileWebFormServices wfServices = (IMobileWebFormServices)serviceProvider.GetService(typeof(IMobileWebFormServices)); DialogResult result = DialogResult.Cancel; DesignerTransaction transaction = designerHost.CreateTransaction(_propertyOverridesDescription); try { if (changeService != null) { try { changeService.OnComponentChanging(ctrl, null); } catch (CheckoutException ce) { if (ce == CheckoutException.Canceled) { return value; } throw; } } try { PropertyOverridesDialog dialog = new PropertyOverridesDialog( dsDesigner, MobileControlDesigner.MergingContextProperties ); IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService) provider.GetService(typeof(IWindowsFormsEditorService)); result = edSvc.ShowDialog(dialog); } catch(InvalidChoiceException e) { Debug.Fail(e.ToString()); } finally { if (changeService != null && result != DialogResult.Cancel) { changeService.OnComponentChanged(ctrl, null, null, null); } } } finally { if (transaction != null) { if (result == DialogResult.OK) { transaction.Commit(); } else { transaction.Cancel(); } } } return value; } public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context) { return UITypeEditorEditStyle.Modal; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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