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using System;
using System.Collections.ObjectModel;
namespace Pfz.DynamicObjects.CloneToModifyModel
{
/// <summary>
/// For auto implemented CtmObjects this attribute should be used over
/// calculated properties to tell on which properties it is based. This will make
/// calls to PropertyChanged events to the property with this attribute when
/// the any of the source properties is changed.
/// </summary>
[CLSCompliant(false)]
[AttributeUsage(AttributeTargets.Property, AllowMultiple=false)]
public sealed class CtmCalculatedPropertyAttribute:
Attribute
{
/// <summary>
/// Creates a new instance of this attribute telling on which properties
/// the actual calculated property is based.
/// </summary>
public CtmCalculatedPropertyAttribute(params string[] propertyNames)
{
if (propertyNames == null)
throw new ArgumentNullException("propertyNames");
if (propertyNames.Length == 0)
throw new ArgumentException("propertyNames can't be empty.", "propertyNames");
foreach(var propertyName in propertyNames)
if (propertyName == null)
throw new ArgumentException("propertyNames can't contain null values.", "propertyNames");
_propertyNames = new ReadOnlyCollection<string>(propertyNames);
}
private readonly ReadOnlyCollection<string> _propertyNames;
/// <summary>
/// Gets the names of the properties used to calculate the value of the
/// property that contains this attribute.
/// </summary>
public ReadOnlyCollection<string> PropertyNames
{
get
{
return _propertyNames;
}
}
}
}
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I started to program computers when I was 11 years old, as a hobbyist, programming in AMOS Basic and Blitz Basic for Amiga.
At 12 I had my first try with assembler, but it was too difficult at the time. Then, in the same year, I learned C and, after learning C, I was finally able to learn assembler (for Motorola 680x0).
Not sure, but probably between 12 and 13, I started to learn C++. I always programmed "in an object oriented way", but using function pointers instead of virtual methods.
At 15 I started to learn Pascal at school and to use Delphi. At 16 I started my first internship (using Delphi). At 18 I started to work professionally using C++ and since then I've developed my programming skills as a professional developer in C++ and C#, generally creating libraries that help other developers do their work easier, faster and with less errors.
Want more info or simply want to contact me?
Take a look at:
http://paulozemek.azurewebsites.net/
Or e-mail me at: paulozemek@outlook.com
Codeproject MVP 2012, 2015 & 2016
Microsoft MVP 2013-2014 (in October 2014 I started working at Microsoft, so I can't be a Microsoft MVP anymore).