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);
}