VB timer 倒数计时我想做一个倒数计时器，从30秒倒数到0，下面的代码错字 ...

n应该定义成全局变量， dim n as integer. Private Sub Form_Load() n=30. End Sub Private Sub Timer4_Timer() if n>0 then n=n-1; Label10.Caption = i

zhidao.baidu.com