// searches for the class, initiates it (calls factory method) and returns the instance
// TODO: add a lot of error handling!
ICalculate CreateCachableICalculate(string className)
{
if (!InstanceCreateCache.ContainsKey(className))
{
// get the type (several ways exist, this is an eays one)
Type type = TypeDelegator.GetType("AirportListTest." + className);
// NOTE: do NOT use the following, because you cannot create a delegate from a ctor!
ConstructorInfo constructorInfo = type.GetConstructor(Type.EmptyTypes);
// works with public instance/static methods
MethodInfo mi = type.GetMethod("Create");
// the "magic", turn it into a delegate
var createInstanceDelegate = (Func <ICalculate>)Delegate.CreateDelegate(typeof(Func <ICalculate>), mi);
// store for future reference
InstanceCreateCache.Add(className, createInstanceDelegate);
}
return(InstanceCreateCache[className].Invoke());
}
public static T ConvertToObject(DataRow dr, string prefix = "")
{
T t = new T();
PropertyInfo[] targetProperties = typeof(T).GetProperties();
DataColumnCollection columns = dr.Table.Columns;
foreach (PropertyInfo i in targetProperties)
{
var aa = i.PropertyType;
Console.WriteLine(aa);
string name = prefix + i.Name;
if (columns.Contains(name))
{
object value = dr[name];
if (value != DBNull.Value)
{
if (i.PropertyType == typeof(bool))
{
i.SetValue(t, (true.Equals(value) || "1".Equals(value) || "Y".Equals(value)), null);
}
else if (i.PropertyType.IsEnum)
{
i.SetValue(t, Enum.ToObject(i.PropertyType, value));
}
else
{
if (i.PropertyType.ToString().Contains("System.Nullable"))
{
string propertyType = i.PropertyType.ToString().Substring(i.PropertyType.ToString().IndexOf('[') + 1);
propertyType = propertyType.Remove(propertyType.LastIndexOf(']'));
i.SetValue(t, Convert.ChangeType(value, TypeDelegator.GetType(propertyType)), null);
}
else
{
i.SetValue(t, Convert.ChangeType(value, i.PropertyType), null);
}
}
}
}
}
return(t);
}
/// <summary>
/// Allows the sprite to handle user input.
/// </summary>
/// <param name="input">The input.</param>
public void OnEnter(Player player)
{
// Play the sound and deactivate the door
this._doorSound.Play();
this._isActive = false;
CollisionManager.Collection.QueuePendingRemoval(this);
// Create the level
var screenType = TypeDelegator.GetType("SoftProGameWindows." + this._levelScreenName);
var screen = (LevelScreen)Activator.CreateInstance(screenType);
// Add it to the screen manager
var sm = this.GetService <ScreenManager>();
sm.AddScreen(screen, null);
// Spawn the player
screen.SpawnPlayer(player);
}
public static T ConvertToObject(object obj)
{
T t = new T();
PropertyInfo[] targetProperties = typeof(T).GetProperties();
PropertyInfo[] sourceProperties = obj.GetType().GetProperties();
foreach (PropertyInfo i in targetProperties)
{
var sp = (from p in sourceProperties
where p.Name == i.Name
select p).FirstOrDefault();
if (null == sp)
{
continue; // property not found
}
if (i.PropertyType.Equals(sp.PropertyType))
{
i.SetValue(t, sp.GetValue(obj), null);
}
else if (i.PropertyType.ToString().Contains("System.Nullable"))
{
// 取得原始變數類型
string propertyType = i.PropertyType.ToString().Substring(i.PropertyType.ToString().IndexOf('[') + 1);
propertyType = propertyType.Remove(propertyType.LastIndexOf(']'));
i.SetValue(t, Convert.ChangeType(sp.GetValue(obj), TypeDelegator.GetType(propertyType)), null);
}
else
{
i.SetValue(t, Convert.ChangeType(sp.GetValue(obj), i.PropertyType), null);
}
}
return(t);
}
