public override object ConvertTo(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object Value,
Type destinationType)
{
if (destinationType.Equals(typeof(InstanceDescriptor)))
{
ValueFormater format = (ValueFormater)Value;
System.Reflection.ConstructorInfo ctor = null;
if (format.Style == ValueFormatStyle.None && format.Format == null && format.NoneText == null)
{
ctor = typeof(ValueFormater).GetConstructor(new Type[] { });
return(new InstanceDescriptor(ctor, new object[] { }, true));
}
else
{
ctor = typeof(ValueFormater).GetConstructor(
new Type[] { typeof(ValueFormatStyle), typeof(string), typeof(string) });
return(new InstanceDescriptor(ctor, new object[] { format.Style, format.Format, format.NoneText }, true));
}
//InstanceDescriptor desc = new InstanceDescriptor(
}
return(base.ConvertTo(context, culture, Value, destinationType));
}
public static ValueFormater ParseOldFormat(string format)
{
ValueFormater formater = new ValueFormater();
if (format == null)
{
return(new ValueFormater());
}
int index = format.IndexOf(":");
if (index > 0)
{
string strStyle = format.Substring(0, index).Trim();
try
{
formater.Style = ( ValueFormatStyle )Enum.Parse(typeof(ValueFormatStyle), strStyle);
}
finally{}
if (formater.Style != ValueFormatStyle.None)
{
formater.Format = format.Substring(index + 1).Trim();
if (formater.Format == "chinese")
{
formater.Format = "BigChinese";
}
}
}
else
{
formater.Style = (ValueFormatStyle)Enum.Parse(typeof(ValueFormatStyle), format);
}
return(formater);
}
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object Value)
{
if (Value is string)
{
ValueFormater format = new ValueFormater();
format.Parse((string)Value);
return(format);
}
return(base.ConvertFrom(context, culture, Value));
}
/// <summary>
/// 复制对象
/// </summary>
/// <returns>复制品</returns>
object System.ICloneable.Clone()
{
ValueFormater formater = (ValueFormater)this.MemberwiseClone();
return(formater);
}