Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.Text = "" End Sub这条语句的作用是什么Private Sub Text1_Click()If Text1.Text = "请输入" Then Text1.Text = ""End Sub

Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.Text = "" End Sub这条语句的作用是什么Private Sub Text1_Click()If Text1.Text = "请输入" Then Text1.Text = ""End Sub
Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.Text = "" End Sub
这条语句的作用是什么
Private Sub Text1_Click()
If Text1.Text = "请输入" Then Text1.Text = ""
End Sub

Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.Text = "" End Sub这条语句的作用是什么Private Sub Text1_Click()If Text1.Text = "请输入" Then Text1.Text = ""End Sub
设计者想让用户在Text1中输入内容,所以初始时Text1会显示"请输入",当用户点击Text1时,则把Text1中的"请输入"删除,以不影响用户输入