Private Declare Function SendMessage Lib "User32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As LongPrivate Const TVM_SETBKCOLOR = 4381&Private Sub Form_Load() Call SendMessage(TreeView1.hWnd, TVM_SETBKCOLOR, 0, ByVal RGB(112, 156, 200))End Sub
在通常情况下,treeview的背景色是不可以修改的,我们可以通过API实现,源码如下Option ExplicitPrivate 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 LongPrivate Const GWL_STYLE = -16& Private Const TVM_SETBKCOLOR = 4381& Private Const TVM_GETBKCOLOR = 4383& Private Const TVS_HASLINES = 2&Private Sub Form_Load()Dim nodex As Node Dim i As Integer Dim lStyle As LongCall SendMessage(TreeView1.hWnd, TVM_SETBKCOLOR, 0, ByVal RGB(255, 0, 0)) lStyle = GetWindowLong(TreeView1.hWnd, GWL_STYLE) Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lStyle - TVS_HASLINES) Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lStyle)TreeView1.Style = tvwTreelinesPlusMinusPictureText TreeView1.BorderStyle = ccFixedSingle With TreeView1.Nodes Set nodex = .Add(, , "R", "Root") nodex.BackColor = RGB(255, 0, 0) For i = 1 To 10 Set nodex = .Add("R", tvwChild, "C" & i, "Child " & i) nodex.BackColor = RGB(255, 0, 0) nodex.EnsureVisible Next End WithEnd Sub
Private Declare Function SendMessage Lib "User32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As LongPrivate Const TVM_SETBKCOLOR = 4381&Private Sub Form_Load()
Call SendMessage(TreeView1.hWnd, TVM_SETBKCOLOR, 0, ByVal RGB(112, 156, 200))End Sub
标题 如何修改treeview的背景色 callzjy [原作]
关键字 callzjy VB 控件
出处
在通常情况下,treeview的背景色是不可以修改的,我们可以通过API实现,源码如下Option ExplicitPrivate 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 LongPrivate Const GWL_STYLE = -16&
Private Const TVM_SETBKCOLOR = 4381&
Private Const TVM_GETBKCOLOR = 4383&
Private Const TVS_HASLINES = 2&Private Sub Form_Load()Dim nodex As Node
Dim i As Integer
Dim lStyle As LongCall SendMessage(TreeView1.hWnd, TVM_SETBKCOLOR, 0, ByVal RGB(255, 0, 0))
lStyle = GetWindowLong(TreeView1.hWnd, GWL_STYLE)
Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lStyle - TVS_HASLINES)
Call SetWindowLong(TreeView1.hWnd, GWL_STYLE, lStyle)TreeView1.Style = tvwTreelinesPlusMinusPictureText
TreeView1.BorderStyle = ccFixedSingle
With TreeView1.Nodes
Set nodex = .Add(, , "R", "Root")
nodex.BackColor = RGB(255, 0, 0)
For i = 1 To 10
Set nodex = .Add("R", tvwChild, "C" & i, "Child " & i)
nodex.BackColor = RGB(255, 0, 0)
nodex.EnsureVisible
Next
End WithEnd Sub