public override bool EditComponent(ITypeDescriptorContext context, object component,
IWin32Window owner)
{
SageCRMTopContent block = component as SageCRMTopContent;
if (block == null)
{
throw new ArgumentException("Component must be a SageCRMTopContent", "component");
}
IServiceProvider site = block.Site;
IComponentChangeService changeservice = null;
DesignerTransaction transaction = null;
bool changed = false;
try
{
if (site != null)
{
IDesignerHost designerhost = (IDesignerHost)site.GetService(typeof(IDesignerHost));
transaction = designerhost.CreateTransaction("Property Editor");
changeservice = (IComponentChangeService)site.GetService(typeof(IComponentChangeService));
if (changeservice != null)
{
try
{
changeservice.OnComponentChanging(block, null);
}
catch (CheckoutException ex)
{
if (ex == CheckoutException.Canceled)
return false;
throw ex;
}
}
}
try
{
TopContentPropEditor form = new TopContentPropEditor(block);
form.EntityName = block.EntityName;
form.EntryBlockName = block.EntryBlockName;
form.EntryWhere = block.EntityWhere;
form.crmIcon = block.Icon;
if (form.ShowDialog(owner) == DialogResult.OK)
{
changed = true;
}
}
finally
{
if (changed && changeservice != null)
{
changeservice.OnComponentChanged(block, null, null, null);
}
}
}
finally
{
if (transaction != null)
{
if (changed)
{
transaction.Commit();
}
else
{
transaction.Cancel();
}
}
}
return changed;
}