摘要:
错误: dbbackup failed: Unable to restore database 'ppt'Not valid backupThe database was backed up on a server running version 8.00.2039. That version is 阅读全文
摘要:
类CRect是对Windows结构RECT的封装,凡是能用RECT结构的地方都可以用CRect代替。 结构RECT表示一个矩形的位置和尺寸,其定义为: typedef struct tagRECT{ LONG left; LONG top; LONG right; LONG bottom; } RE 阅读全文