internal void UpdateActiveContext()
{
for (int n = contexts.Count - 1; n >= 0; n--)
{
StatusBarContextImpl ctx = contexts [n];
if (ctx.StatusChanged)
{
if (ctx != activeContext)
{
activeContext = ctx;
activeContext.Update();
}
return;
}
}
throw new InvalidOperationException(); // There must be at least the main context
}
internal void Remove(StatusBarContextImpl ctx)
{
if (ctx == mainContext)
{
return;
}
StatusBarContextImpl oldActive = activeContext;
contexts.Remove(ctx);
UpdateActiveContext();
if (oldActive != activeContext)
{
// Removed the active context. Update the status bar.
activeContext.Update();
}
}