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 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); }