Dim trv厂商 As WinForm.TreeView = e.Form.Controls("Trv供货厂商")
trv厂商.Nodes.Clear '清除所有节点
'====添加目录树的【节点】
For i As Integer = 0 To bl_trv厂商.Length-1
Dim trvnd厂商 As WinForm.TreeNode
trvnd厂商=trv厂商.Nodes.Add("Root" & i,bl_trv厂商(i))
Next