public void Remove(EnvKey key)
{
if (this.values == null)
{
return;
}
this.values.Remove(key);
if (this.values.Count == 0)
{
this.values = null;
}
}
public object this[EnvKey key]
{
get
{
return(this.values[key]);
}
set
{
if (this.values == null)
{
this.values = new Dictionary <EnvKey, object>();
}
this.values[key] = value;
}
}
public T Get <T>(EnvKey key)
{
if (this.values == null || !this.values.ContainsKey(key))
{
return(default(T));
}
object value = values[key];
try
{
return((T)value);
}
catch (InvalidCastException e)
{
throw new Exception($"不能把{value.GetType()}转换为{typeof(T)}", e);
}
}