本文整理匯總了C#中System.Int64.GetValueOrDefault方法的典型用法代碼示例。如果您正苦於以下問題:C# Int64.GetValueOrDefault方法的具體用法?C# Int64.GetValueOrDefault怎麽用?C# Int64.GetValueOrDefault使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Int64
的用法示例。
在下文中一共展示了Int64.GetValueOrDefault方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: SetValues
// Returns true if low, high, or current has changed
private Boolean SetValues(Boolean lockAlreadyTaken, Int64? low, Int64? high, Int64? current) {
if (!lockAlreadyTaken) m_lock.Enter(true);
try {
// If any value is null, set it to its current value (assume no change)
low = low.GetValueOrDefault(m_low);
high = high.GetValueOrDefault(m_high);
current = current.GetValueOrDefault(m_current);
if (low > high) throw new InvalidOperationException("Low can't be greater than high");
Int64 oldLow = m_low, oldHigh = m_high, oldCurrent = m_current;
m_low = low.Value;
m_high = high.Value;
// Make sure Current stays between Low and High inclusive
if (current < m_low) current = m_low;
if (current > m_high) current = m_high;
m_current = current.Value;
return (oldLow != m_low) || (oldHigh != m_high) || (oldCurrent != m_current);
}
finally {
if (!lockAlreadyTaken) m_lock.Leave();
}
}