msdn教程-.net framework4.5-使用基本类型

定义：

扩大转换：当一个类型的值转换为相等或更大范围的另一种类型时

缩小转换：与扩大转换相反

Details

扩大转换

Byte->Uint16,Int16,Uint32,Int32,UInt64,Single,Double,Decimal

SByte->Int16,Int32,Int64,Single,Double,Decimal

Int16->Int32,Int64,UInt64,Int64,Single,Double,Decimal

Char->UInt64,UInt32,Int32,UInt64,Int64,Single,Double,Decimal

Int32->Int64,Double,Decimal

UInt32->Int64,UInt64,Double,Decimal

Int64->Decimal

UInt64->Decimal

Single->Double