当用户单击列标题时,我使用ColumnClickEventHandler将listView.Sorting设置为SortOrder.Ascending (或SortOrder.Descending);当命中此行代码时listView.Sorting = SortOrder.Ascending; else // Determine what the last sort orderif (listView.Sorting == SortOrder.Ascending)
在实现内置于C中的qsort()以通过存储的int值(hitCount)对结构数组进行排序时遇到困难。typedef struct words { int hitCount;我正在尝试使用微软()给出的例子。typedef int (*compfn)(const void*, const void*);int compare (words *a, words *b) {
我有两张桌子。========post========post_id--------SELECT DISTINCT(t2.id), t2.sum, t1.id LEFT JOIN table2 t2 ON t2.post_id = t1.id例如,我们有5个帖子(sum -拇指上下之和):2. sum = 14. sum = null
5. sum =