/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <param name="destinationType"></param>
/// <returns></returns>
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, System.Type destinationType)
{
if (destinationType == null)
{
//MessageBox.Show("Erreur ! destinationType");
throw new ArgumentNullException("destinationType");
}
if (value == null)
{
return(string.Empty);
}
if ((destinationType == typeof(GeniusPen)) && (value is GeniusPen))
{
return(value);
}
if ((destinationType == typeof(string)) && (value is GeniusPen))
{
GeniusPen br = (GeniusPen)value;
if (culture == null)
{
culture = CultureInfo.CurrentCulture;
}
TypeConverter floatConverter = TypeDescriptor.GetConverter(typeof(float));
TypeConverter colorConverter = TypeDescriptor.GetConverter(typeof(Color));
TypeConverter DashConverter = TypeDescriptor.GetConverter(typeof(DashStyle));
string text1 = culture.TextInfo.ListSeparator + " ";
string[] properties = new string[3];
int index = 0;
properties[index++] = floatConverter.ConvertToString(context, culture, br.Width);
properties[index++] = colorConverter.ConvertToString(context, culture, br.Color);
properties[index++] = DashConverter.ConvertToString(context, culture, br.Style);
return(string.Join(text1, properties));
}
if ((destinationType != typeof(InstanceDescriptor)) || !(value is GeniusPen))
{
return(base.CanConvertTo(context, destinationType));
}
Type[] array = new Type[] { typeof(Color), typeof(float), typeof(DashStyle) };
ConstructorInfo constructor = typeof(GeniusPen).GetConstructor(array);
if (constructor != null)
{
GeniusPen pen = (GeniusPen)value;
object[] objArray = new object[] { pen.Color, pen.Width, pen.Style };
return(new InstanceDescriptor(constructor, objArray));
}
return(base.CanConvertTo(context, destinationType));
}
private void button1_Click(object sender, System.EventArgs e)
{
GeniusPen pen = new GeniusPen(Color.FromArgb(192, 192, 184), 1, DashStyle.Dot);
geniusTreeView1.Colors.FocusedRectanglePenColor = pen;
TypeConverter cnv = TypeDescriptor.GetConverter(typeof(GeniusPen));
string str = cnv.ConvertToString(pen);
textBox1.AppendText(Environment.NewLine);
textBox1.AppendText(str);
textBox1.AppendText(Environment.NewLine);
GeniusPen pen1 = (GeniusPen)cnv.ConvertFrom(str);
str = cnv.ConvertToString(pen1);
textBox1.AppendText(str);
str = cnv.ConvertToString(geniusTreeView1.Colors.FocusedRectanglePenColor);
textBox1.AppendText(str);
}
private GeniusPen PenToGeniusPen(Pen pen)
{
GeniusPen Result = new GeniusPen(pen.Color, pen.Width, pen.DashStyle);
return(Result);
}
