public void EditValue_InvalidProvider_ReturnsValue(IServiceProvider provider)
{
var editor = new FontEditor();
var value = new object();
Assert.Same(value, editor.EditValue(null, provider, value));
}
// if the user can type, show drop down when requested
protected override void OnDropDown(EventArgs e)
{
// fire event as usual
base.OnDropDown(EventArgs.Empty);
// show editor and get the new value
object value = _editor.EditValue((IServiceProvider)this, SelectedFont);
if (value is Font)
{
SelectedFont = (Font)_fontConverter.ConvertFromString(_fontConverter.ConvertToString(value));
SelectAll();
}
// hide the standard drop-down
Win32.PostMessage(Handle, Win32.CB_SHOWDROPDOWN, IntPtr.Zero, IntPtr.Zero);
}