企业员工管理系统

代码说明：

下面是 “员工请假登记” 这一项的源代码： Option Explicit "窗口与消息API声明 Private Declare Function SetTimer Lib "user32.dll" (ByVal hwnd As Long, _             ByVal nIDEvent As Long, ByVal uElapse As Long, _             ByVal lpTimerFunc As Long) As Long Private Declare Function KillTimer Lib "user32.dll" (ByVal hwnd As Long, _             ByVal nIDEvent As Long) As Long Public Declare Function FindWindow Li