public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
try
{
destinationType.RequireNotNull();
value.RequireNotNull();
var strValue = ConvertToInvariantString(context, value);
if (destinationType == typeof(string))
{
return(value.ToString());
}
if (destinationType == typeof(InstanceDescriptor))
{
var info = TargetType.GetField(strValue);
if (info != null)
{
return(new InstanceDescriptor(info, null));
}
}
if (destinationType == TargetType)
{
return(FlexEnum.Parse(TargetType, strValue));
}
throw new Exception("convertto failed");
}
catch
{
throw new Exception("convertto failed unknown");
}
}
public ReportViewer()
{
InitializeComponent();
EventManager.RegisterClassHandler(typeof(ReportViewer), FlexDocumentViewport.DocumentLoadErrorEvent,
new RoutedDocumentLoadErrorEventHandler(OnDocumentLoadError));
resetUI();
Width = AppSettings.Instance.WindowSize.Width;
Height = AppSettings.Instance.WindowSize.Height;
SizeChanged += onSizeChanged;
try
{
var theme = FlexEnum.FromName <RecommendedThemeSet>(AppSettings.Instance.Theme);
ThemePrimitive.SetTheme(this, theme.Value);
}
catch
{
AppSettings.Instance.Theme = "Cyan";
}
foreach (var arg in from arg in Environment.GetCommandLineArgs()
let fi = new FileInfo(arg)
where fi.Exists
where string.Equals(fi.Extension, ".FLEX",
StringComparison.CurrentCultureIgnoreCase)
select arg)
{
Loaded += (Sender, Args) =>
{
OpenDocument(arg);
};
}
}
public override bool IsValid(ITypeDescriptorContext context, object value)
{
try
{
return(FlexEnum.IsDefined(TargetType, value));
}
catch
{
throw new Exception("isvalid failed");
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
try
{
return(FlexEnum.Parse(TargetType, value.RequireType <string>()));
}
catch
{
throw new Exception("convertfrom failed");
}
}