Mengubat BackGround TreeView Control

Option Explicit

Private Declare Function SendMessage Lib "User32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Long) As Long
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
    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))
    lngStyle = GetWindowLong(TreeView1.hWnd, GWL_STYLE)
    Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lngStyle - TVS_HASLINES)
    Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lngStyle)
End Sub