public override object EditValue(ITypeDescriptorContext context,
IServiceProvider provider,
object value)
{
if ((context == null) || (provider == null))
{
return(base.EditValue(context, provider, value));
}
// Access the Property Browser's UI display service
IWindowsFormsEditorService editorService =
(IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (editorService == null)
{
return(base.EditValue(context, provider, value));
}
// Create an instance of the UI editor form
IReportItem iri = context.Instance as IReportItem;
if (iri == null)
{
return(base.EditValue(context, provider, value));
}
PropertyReportItem pre = iri.GetPRI();
string[] names;
PropertyBackground pb = value as PropertyBackground;
if (pb != null)
{
names = pb.Names;
}
else
{
PropertyBackgroundImage pbi = value as PropertyBackgroundImage;
if (pbi == null)
{
return(base.EditValue(context, provider, value));
}
names = pbi.Names;
}
using (SingleCtlDialog scd = new SingleCtlDialog(pre.DesignCtl, pre.Draw, pre.Nodes,
SingleCtlTypeEnum.BackgroundCtl, names))
{
// Display the UI editor dialog
if (editorService.ShowDialog(scd) == DialogResult.OK)
{
// Return the new property value from the UI editor form
return(new PropertyBackground(pre));
}
return(base.EditValue(context, provider, value));
}
}
public override object ConvertTo(ITypeDescriptorContext context,
CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string) && value is PropertyBackgroundImage)
{
PropertyBackgroundImage pf = value as PropertyBackgroundImage;
return(pf.ToString());
}
return(base.ConvertTo(context, culture, value, destinationType));
}