/// <summary>
/// Retrieves the HTML to display in the designer.
/// </summary>
/// <returns>HTML for the designer.</returns>
public override string GetDesignTimeHtml()
{
string html;
MultiPage multiPage = (MultiPage)Component;
int realIndex = 0;
if (multiPage.Controls.Count == 0)
{
// Add a message if the MultiPage is empty
return(CreatePlaceHolderDesignTimeHtml(DesignUtil.GetStringResource("MultiPageNoItems")));
}
realIndex = multiPage.SelectedIndex;
if (_SelectedIndex < 0)
{
_SelectedIndex = realIndex;
}
multiPage.SelectedIndex = _SelectedIndex;
try
{
html = base.GetDesignTimeHtml();
}
finally
{
// Restore the component
multiPage.SelectedIndex = realIndex;
}
return(html);
}
/// <summary>
/// Retrieves the HTML to display in the designer.
/// </summary>
/// <returns>The design-time HTML.</returns>
public override string GetDesignTimeHtml()
{
TabStrip strip = (TabStrip)Component;
// If the tabstrip is empty, then add a label with instructions
if (strip.Items.Count == 0)
{
return(CreatePlaceHolderDesignTimeHtml(DesignUtil.GetStringResource("TabStripNoItems")));
}
return(base.GetDesignTimeHtml());
}
/// <summary>
/// Called when a part of the component is changing.
/// </summary>
/// <param name="sender">Sender object</param>
/// <param name="ce">Event arguments</param>
public override void OnComponentChanged(object sender, ComponentChangedEventArgs ce)
{
base.OnComponentChanged(sender, ce);
PropertyDescriptor selIndexDesc = DesignUtil.GetPropertyDescriptor(Component, "SelectedIndex");
if ((selIndexDesc != null) && (ce.Member == selIndexDesc))
{
SelectedIndex = (int)ce.NewValue;
UpdateDesignTimeHtml();
}
}
/// <summary>
/// Called when the Add Separator menu item is clicked.
/// </summary>
/// <param name="sender">The source object</param>
/// <param name="e">Event arguments</param>
private void OnAddSep(object sender, EventArgs e)
{
TabStrip strip = (TabStrip)Component;
PropertyDescriptor itemsDesc = DesignUtil.GetPropertyDescriptor(strip, "Items");
if (itemsDesc != null)
{
// Tell the designer that we're changing the property
RaiseComponentChanging(itemsDesc);
// Do the change
TabSeparator sep = new TabSeparator();
strip.Items.Add(sep);
// Tell the designer that we've changed the property
RaiseComponentChanged(itemsDesc, null, null);
UpdateDesignTimeHtml();
}
}
