vb treeview 控件的背景颜色怎么改啊?

vb treeview 控件的背景颜色怎么改啊?

Private Declare Function GetWindowLong Lib "User32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long

Private Declare Function SetWindowLong Lib "User32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long

Private Const GWL_STYLE = -16&

Private Const TVM_SETBKCOLOR = 4381&

Private Const TVM_GETBKCOLOR = 4383&

Private Const TVS_HASLINES = 2&

Dim frmlastForm As Form

Private Sub Form_Load()

Dim nodX As Node

Set nodX = TreeView1.Nodes.Add(, , "R", "Root")

Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C1", "Child 1")

Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C2", "Child 2")

Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C3", "Child 3")

Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C4", "Child 4")

nodX.EnsureVisible

TreeView1.style = tvwTreelinesText ' Style 4.

TreeView1.BorderStyle = vbFixedSingle

End Sub

Private Sub Command1_Click()

Dim lngStyle As Long

Call SendMessage(TreeView1.hWnd, TVM_SETBKCOLOR, 0, ByVal RGB(255, 0, 0))

'改变背景到红色

lngStyle = GetWindowLong(TreeView1.hWnd, GWL_STYLE)

Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lngStyle - TVS_HASLINES)

Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lngStyle)

End Sub

属性里面改