選中和取消選中作為範圍
關鍵字還可以建立範圍以便(取消)檢查多個操作。
short m = 32767;
short n = 32767;
checked
{
int result1 = (short)(m + n); //will throw an OverflowException
}
unchecked
{
int result2 = (short)(m + n); // will return -2
}
關鍵字還可以建立範圍以便(取消)檢查多個操作。
short m = 32767;
short n = 32767;
checked
{
int result1 = (short)(m + n); //will throw an OverflowException
}
unchecked
{
int result2 = (short)(m + n); // will return -2
}