Larry57

/// Source: http://stackoverflow.com/questions/268321/bidirectional-1-to-1-dictionary-in-c-sharp

/// <summary>
/// This is a dictionary guaranteed to have only one of each value and key. 
/// It may be searched either by TFirst or by TSecond, giving a unique answer because it is 1 to 1.
/// </summary>
/// <typeparam name="TFirst">The type of the "key"</typeparam>
/// <typeparam name="TSecond">The type of the "value"</typeparam>
using System.Collections.Generic;
using System;

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namespace System.Collections.Generic
{
    public static class ListExtensions
    {
        /// <summary>
        /// Do a binary search in a generic list
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <typeparam name="U"></typeparam>
        /// <param name="tf">list</param>

Larry57

namespace System.Collections.Generic
{
    public static class DictionaryExtension
    {
        public static void ProcessValue<TKey, TValue>(this IDictionary<TKey, TValue> x, TKey key, Action<TValue> action)
        {
            TValue o;
            if (x.TryGetValue(key, out o))
                action(o);
        }

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using System;

namespace iTracker.UI.Forms.Tools
{
    public class EventArgs<T> : EventArgs
    {
        public T Content 
        { 
            get; 
            set; 

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using System;
using System.Collections.Generic;

public static class Extensions
{
    static public IEnumerable<T> Descendants<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> descendBy)
    {
        foreach (T value in source)
        {
            yield return value;

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namespace DbHelper
{
    public class OleDbHelper : DbHelper<OleDbConnection>
    {
        public static DbParameter CreateParameter(string name, object value)
        {
            return new OleDbParameter(name, value);
        }
    }

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public static string Truncate(this string myString, int limit, string symbol)
{
    if (myString == null)
        return null;
 
    if (limit < 0)
        throw new ArgumentOutOfRangeException("limit", limit, "must be 0 or greater");
 
    if (symbol == null)
        throw new ArgumentNullException("symbol must not be null");

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public class DuckTryParse
{
    public static bool TryParse<duck>(string stringToParse, out duck value)
    {
        var method = MethodCache<duck>.TryParse;

        if (method == null || !method(stringToParse, out value))
        {
            value = default(duck);
            return false;

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new bool DesignMode 
{
    get
    { 
            return (System.Diagnostics.Process.GetCurrentProcess().ProcessName == "devenv");
    }
}

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<WindowsFormsHost Margin="0" x:Name="winFormHost" FontSize="11.33" FontFamily="Microsoft Sans Serif" />