Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.T

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/07/14 09:45:35

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

Private Sub Text1_Click() If Text1.Text = "请输入" Then Text1.T If text1.text"" then... If Text1.Text = "" Then s_id = "%" Else s_id = Text1.Text En VB编程If Len(Text1.Text) = Len(Text1.Text) - 1 Then len(Text2. VB中Text1.text=text1.text+CStr(a(i))+" " If i=4 then text1.te If Text1.Text Then 是什么意思啊? VB奇数求和Private Sub Command1_Click()vl = Val(Text1.Text)vj = V Private Sub Command1_Click() A = Val(Text1.Text):B = Val(Tex VB的if语句的问题Private Sub Command1_Click()If Text1 = "111" ThenF a(i) = Mid(Text1.Text,i, vb中定义的d为双精度变量,设d=text1.text,text1.text里输入的是12.3625 为啥运行时d=36 在VB当中 1.Text1.Text = Text1.Text & x & "+" & y & "=( )" & Chr