C# 格式化字符串 String.Format

' "My Number

' = 42".

[C#]

Double myDouble = 1234567890;

String myString = myDouble.ToString( "(###) ### - ####" );

// The value of myString is "(123) 456 – 7890".

int MyInt = 42;

MyString = MyInt.ToString( "My Number \n= #" );

// In the U.S. English culture, MyString has the value:

// "My Number

// = 42".