老师您好,想在这个例子的基础上把目录树改成用复选框来进行多选,但代码怎么改呢?本人水平低,写不了这么复杂的代码,请老师帮忙,谢谢。
代码1:
Dim s As String = e.Form.DropDownBox.Value
Dim nms As new List(of String)
Dim trv As WinForm.TreeView
= e.Form.Controls("TreeView1") 原来是目录树,现在改成复选框,但有几十个复选框怎么改呢?
If s > "" Then
nms.AddRange(s.Split(","))
End If
For Each nd As WinForm.TreeNode In trv.AllNodes
nd.Checked = nms.Contains(nd.text)
Next
代码2:
Dim s As String
Dim trv As WinForm.TreeView = e.Form.Controls("TreeView1")
For Each nd As WinForm.TreeNode In trv.AllNodes
If nd.Checked Then
s = s & "," & nd.Text
End If
Next
e.Form.DropDownBox.Value = s.trim(",")
e.Form.DropDownBox.CloseDropdown