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Writing a Multiplayer Game (in WPF)

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16 Mar 2012CPOL25 min read 212.2K   17.1K   246  
This article will explain some concepts of game development and how to apply and adapt them for multiplayer development.
using System;
using System.ComponentModel;
using System.Globalization;
using System.Reflection;
using Pfz.Extensions;

namespace Pfz.WpfControls
{
	/// <summary>
	/// Converts a property info to and from strings.
	/// </summary>
	public class PropertyInfoConverter:
		TypeConverter
	{
		/// <summary>
		/// Returns true for strings.
		/// </summary>
		public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
		{
			//MessageBox.Show("CanConvertFrom " + sourceType.FullName);
			return sourceType == typeof(string);
		}

		/// <summary>
		/// Returns true for strings.
		/// </summary>
		public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
		{
			//MessageBox.Show("CanConvertTo " + destinationType.FullName);
			return destinationType == typeof(string);
		}
		
		/// <summary>
		/// Gets the property info from a string representation.
		/// The fulltypename.PropertyName should be used.
		/// </summary>
		public static PropertyInfo ConvertFrom(string propertyFullName)
		{
			if (propertyFullName == null)
				throw new ArgumentNullException("propertyFullName");

			int lastIndex = propertyFullName.LastIndexOf('.');
			if (lastIndex == -1)
				throw new ArgumentException("You must pass the fullname of the type, plus a dot and the name of the property.");
			
			string typeName = propertyFullName.Substring(0, lastIndex);
			string propertyName = propertyFullName.Substring(lastIndex + 1);
			foreach(var assembly in AppDomain.CurrentDomain.GetAssemblies())
			{
				Type type = assembly.GetType(typeName, false);
				if (type != null)
				{
					var propertyInfo = type.GetInterfaceProperty(propertyName);
					
					return propertyInfo;
				}
			}

			throw new ArgumentException("Type " + typeName + " not found. Remember, after the type name you must pass the property name.");
		}

		/// <summary>
		/// Gets the property info from a string representation.
		/// The fulltypename.PropertyName should be used.
		/// </summary>
		public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
		{
			string strValue = value as string;
			if (string.IsNullOrEmpty(strValue))
				return null;
			
			return ConvertFrom(strValue);
		}
		
		/// <summary>
		/// Gets the string representation of a propertyInfo.
		/// </summary>
		public static string ConvertTo(PropertyInfo propertyInfo)
		{
			if (propertyInfo == null)
				return null;
			
			return string.Concat
			(
				propertyInfo.DeclaringType.FullName,
				'.',
				propertyInfo.Name
			);
		}

		/// <summary>
		/// Gets the string representation of a propertyInfo.
		/// </summary>
		public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
		{
			var recordProperty = value as PropertyInfo;
			return ConvertTo(recordProperty);
		}
	}
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) Microsoft
United States United States
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).

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