8. 字符串插值(String Interpolation)
字符串差值移除了对string.Format的调用，使用表达式占位符取代数字格式占位符。
The string interpolation removes calls to string.Format. Instead of using
numbered format placeholders in the string, the placeholders can include
expressions.
In C# 5
public override ToString()
{
return string.Format("{0}, {1}", Title, Publisher);
}
In C# 6
public override ToString() => $"{Title} {Publisher}";
9. 字典初始化器(Dictionary Initializers)
字典可以使用类似集合的字典初始化器初始化。
Dictionaries can now be initialized with a dictionary initializer—similar to the
collection initializer.
In C# 5
var dict = new Dictionary<int, string>();
dict.Add(3,"three");
dict.Add(7,"seven");
In C# 6
var dict = new Dictionary<int, string>()
{
[3] ="three",
[7] ="seven"
};
10. 异常过滤器(Exception Filters)
异常过滤器允许你在捕获异常前进行过滤。
Exception filters allow you to filter exceptions before catching them.
In C# 5
try
{
//etc.
} catch (MyException ex)
{
if (ex.ErrorCode != 405) throw;
// etc.
}
In C# 6
try
{
//etc.
} catch (MyException ex) when (ex.ErrorCode == 405)
{
// etc.
}
11. 在Catch使用Await(Await in Catch)
await可以在catch块中直接使用，C# 5中需要变通使用。
await can now be used in the catch clause. C# 5 required a workaround.
In C# 5
bool hasError = false;
string errorMessage = null;
try
{
//etc.
} catch (MyException ex)
{
hasError = true;
errorMessage = ex.Message;
}
if (hasError)
{
await new MessageDialog().ShowAsync(errorMessage);
}
In C# 6
try
{
//etc.
} catch (MyException ex)
{
await new MessageDialog().ShowAsync(ex.Message);
}
以上所述是小编给大家介绍的C# 6.0 新特性汇总，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对ASPKU网站的支持！
注：相关教程知识阅读请移步到c#教程频道。
