ListViewGroup
ListViewGroup表示ListView的分组。
通过ListView的Groups属性，可以增加、删除分组，或者获取指定名称的分组。
ListViewGroup的属性有：
示例
Dim
lvw As
WinForm.ListView
= e.Form.Controls("ListView1")
lvw.CheckBoxes =
True
'显示复选框
Dim nms()
As String
= {"分组1","分组2","分组3"}
For
Each
nm
As
String
In
nms
'添加分组
Dim
grp
As
WinForm.ListViewGroup
= lvw.Groups.Add()
grp.Name
= nm
grp.Text
= nm
Next
For
i
As
Integer
= 0
To
9
'添加行
Dim
vr
As
WinForm.ListViewRow
= lvw.Rows.Add()
vr.text
= "项目"
&
i
vr.Group = nms( i
Mod
3)
'指定行所属的分组
Next
For Each vr
As WinForm.ListViewRow In lvw.Groups("分组1").Rows
'勾选分组1中的所有行
vr.Checked =
True
Next