c#检查两个时间段是否重叠

封装方法：
 
/// 
/// 重叠
/// 
/// 
/// 
/// 
/// 
/// 
private bool CheckOverlap(DateTime firstStart, DateTime firstEnd, DateTime secondStart, DateTime secondEnd)
{
if (firstEnd <= secondStart || secondEnd <= firstStart)
{
return false;
}
else
{
return true;
}
}
 
/// 
/// 重叠
/// 
/// 
/// 
/// 
/// 
/// 
private bool CheckOverlap(int firstStart, int firstEnd, int secondStart, int secondEnd)
{
if (firstEnd <= secondStart || secondEnd <= firstStart)
{
return false;
}
else
{
return true;
}
}