不会,有知道的指点一下
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http://www.planet-source-code.com/vb/scripts/ShowCode.asp?lngWId=1&txtCodeId=4320
"SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, _
ByVal wParam As Long, ByVal lParam As Long) As Long Private Const WM_PAINT = &HF
Private Const WM_PRINT = &H317
Private Const PRF_CLIENT = &H4& ' Draw the window's client area
Private Const PRF_CHILDREN = &H10& ' Draw all visible child windows
Private Const PRF_OWNED = &H20& ' Draw all owned windows Private Sub Command1_Click()
Dim rv As Long
Picture1.SetFocus ' So that the button doesn't look pressed
Picture2.AutoRedraw = True
rv = SendMessage(Picture1.hwnd, WM_PAINT, Picture2.hDC, 0)
rv = SendMessage(Picture1.hwnd, WM_PRINT, Picture2.hDC, _
PRF_CHILDREN + PRF_CLIENT + PRF_OWNED)
Picture2.Picture = Picture2.Image
Picture2.AutoRedraw = False
Command1.SetFocus ' Return Focus
End SubPrivate Sub Command2_Click()
Printer.Orientation = vbPRORLandscape ' 2
Printer.Print ""
Printer.PaintPicture Picture2.Picture, 0, 0
Printer.EndDocEnd SubPrivate Sub Form_Load()
Dim nodX As Node
Set nodX = TreeView1.Nodes.Add(, , "R", "根节点", 1)
Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C1", "节点 1", 1)
Set nodX = TreeView1.Nodes.Add("C1", tvwChild, "C2", "节点 2", 1)
Set nodX = TreeView1.Nodes.Add("C2", tvwChild, "C3", "节点 3", 1)
Set nodX = TreeView1.Nodes.Add("R", tvwChild, "C4", "节点 4", 1)
nodX.EnsureVisible
TreeView1.Style = tvwTreelinesPlusMinusPictureText '样式 4。
End Sub