求救!!treeview.nods.text问题。解决了高分相送。在线等待。

yqsyn 2003-09-27 06:08:23
我想改变treeview.nods(i).text的颜色,请教各位高手是否有办法?望赐教!谢谢了。
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陈年椰子 2003-10-01
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yqsyn 2003-10-01
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呵呵我想问一下treeview.nods(i).forecolor有这么一个属性吗??/
rainstormmaster 2003-09-27
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不是改变前景色 是改变treeview.nods(i).text的颜色

前景色通常就是指文字的颜色,:)
northwolves 2003-09-27
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看看哪个是你要的效果:
Private Sub Form_Load()
With TreeView1

.Nodes.Add , , "root", "######"
.Nodes("root").Expanded = True
For i = 1 To 10
.Nodes.Add "root", 4, "a" & i, "************"
Next
.Nodes(5).BackColor = vbRed
.Nodes(7).ForeColor = vbBlue
End With

End Sub
yqsyn 2003-09-27
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不是改变前景色 是改变treeview.nods(i).text的颜色 也就是说不是for i=1 to allnods
而是i等于某一个值
rainstormmaster 2003-09-27
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我想改变treeview.nods(i).text的颜色

如果不是楼主表达不清的话,就是改变前景色,用:
Node.ForeColor = 颜色值
就够了
pandengzhe 2003-09-27
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4、再建立一个模块,放入以下代码:

Option Explicit

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (lpDest As Any, lpSrc As Any, ByVal dwLen 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_WNDPROC = (-4)
Private Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Declare Function GetProp Lib "user32" Alias "GetPropA" (ByVal hWnd As Long, ByVal lpString As String) As Long
Private Declare Function SetProp Lib "user32" Alias "SetPropA" (ByVal hWnd As Long, ByVal lpString As String, ByVal hData As Long) As Long
Private Declare Function RemoveProp Lib "user32" Alias "RemovePropA" (ByVal hWnd As Long, ByVal lpString As String) As Long

'Halftone created for default palette use
Private m_hpalHalftone As Long


Private Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Private Declare Function SetBkColor Lib "gdi32" (ByVal hDC As Long, ByVal crColor As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal hDC As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function SetTextColor Lib "gdi32" (ByVal hDC As Long, ByVal crColor As Long) As Long
Private Declare Function CreateBitmap Lib "gdi32" (ByVal nWidth As Long, ByVal nHeight As Long, ByVal nPlanes As Long, ByVal nBitCount As Long, lpBits As Any) As Long
Private Declare Function GetBkColor Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function GetTextColor Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function SelectPalette Lib "gdi32" (ByVal hDC As Long, ByVal hPalette As Long, ByVal bForceBackground As Long) As Long
Private Declare Function RealizePalette Lib "gdi32" (ByVal hDC As Long) As Long
Private Declare Function OleTranslateColor Lib "oleaut32.dll" (ByVal lOleColor As Long, ByVal lHPalette As Long, lColorRef As Long) As Long
Private Declare Function DrawIconEx Lib "user32" (ByVal hDC As Long, ByVal xLeft As Long, ByVal yTop As Long, ByVal hIcon As Long, ByVal cxWidth As Long, ByVal cyHeight As Long, ByVal istepIfAniCur As Long, ByVal hbrFlickerFreeDraw As Long, ByVal diFlags As Long) As Long
Private Declare Function FillRect Lib "user32" (ByVal hDC As Long, lpRect As RECT, ByVal hBrush As Long) As Long

'DrawIconEx Flags
Private Const DI_MASK = &H1
Private Const DI_IMAGE = &H2
Private Const DI_NORMAL = &H3
Private Const DI_COMPAT = &H4
Private Const DI_DEFAULTSIZE = &H8

'Raster Operation Codes
Private Const DSna = &H220326 '0x00220326

'VB Errors
Private Const giINVALID_PICTURE As Integer = 481








Public Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Public Type PAINTSTRUCT
hDC As Long
fErase As Long
rcPaint As RECT
fRestore As Long
fIncUpdate As Long
rgbReserved As Byte
End Type

Public Declare Function BeginPaint Lib "user32" (ByVal hWnd As Long, lpPaint As PAINTSTRUCT) As Long
Public Declare Function EndPaint Lib "user32" (ByVal hWnd As Long, lpPaint As PAINTSTRUCT) As Long
Public Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hDC As Long) As Long
Public Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hDC As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Public Declare Function SelectObject Lib "gdi32" (ByVal hDC As Long, ByVal hObject As Long) As Long
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal X As Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Public Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Public Declare Function InvalidateRect Lib "user32" (ByVal hWnd As Long, ByVal lpRect As Long, ByVal bErase As Long) As Long

Public Const WM_PAINT = &HF
Public Const WM_ERASEBKGND = &H14
Public Const WM_HSCROLL = &H114
Public Const WM_VSCROLL = &H115
Public Const WM_MOUSEWHEEL = &H20A




Public Function TranslateColor(inCol As Long) As Long

'A simple wrapper for OleTranslateColor
Dim retCol As Long
OleTranslateColor inCol, 0&, retCol
TranslateColor = retCol

End Function

Public Sub PaintNormalStdPic(ByVal hdcDest As Long, ByVal xDest As Long, ByVal yDest As Long, ByVal width As Long, ByVal Height As Long, ByVal picSource As Picture, ByVal xSrc As Long, ByVal ySrc As Long, Optional ByVal hPal As Long = 0)

Dim hdcTemp As Long
Dim hPalOld As Long
Dim hbmMemSrcOld As Long
Dim hdcScreen As Long
Dim hbmMemSrc As Long
'Validate that a bitmap was passed in
If picSource Is Nothing Then GoTo PaintNormalStdPic_InvalidParam
Select Case picSource.Type
Case vbPicTypeBitmap
If hPal = 0 Then
hPal = m_hpalHalftone
End If
hdcScreen = GetDC(0&)
'Create a DC to select bitmap into
hdcTemp = CreateCompatibleDC(hdcScreen)
hPalOld = SelectPalette(hdcTemp, hPal, True)
RealizePalette hdcTemp
'Select bitmap into DC
hbmMemSrcOld = SelectObject(hdcTemp, picSource.Handle)
'Copy to destination DC
BitBlt hdcDest, xDest, yDest, width, Height, hdcTemp, xSrc, ySrc, vbSrcCopy
'Cleanup
SelectObject hdcTemp, hbmMemSrcOld
SelectPalette hdcTemp, hPalOld, True
RealizePalette hdcTemp
DeleteDC hdcTemp
ReleaseDC 0&, hdcScreen
Case vbPicTypeIcon
'Create a bitmap and select it into an DC
'Draw Icon onto DC
DrawIconEx hdcDest, xDest, yDest, picSource.Handle, 0, 0, 0&, 0&, DI_NORMAL
Case Else
GoTo PaintNormalStdPic_InvalidParam
End Select
Exit Sub
PaintNormalStdPic_InvalidParam:
Err.Raise giINVALID_PICTURE

End Sub
pandengzhe 2003-09-27
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1、窗体中放一个TreeView,取名为:Tvbg
2、放一个Image,取名为:img
3、在img中放一张清一色的图片(图片大小无规定),即这张图片就是你要填充的颜色。如要填充黄色,则是一张全黄的图片。

在窗体中放入以下代码:
Private Sub Form_Load()
Subclass Me, Tvbg
Dim nodX As Node

'add some test items
Set nodX = Tvbg.Nodes.Add(, , "R", "Root")
Set nodX = Tvbg.Nodes.Add("R", tvwChild, "C1", "Child 1")
Set nodX = Tvbg.Nodes.Add("R", tvwChild, "C2", "Child 2")
Set nodX = Tvbg.Nodes.Add("R", tvwChild, "C3", "Child 3")
Set nodX = Tvbg.Nodes.Add("R", tvwChild, "C4", "Child 4")
nodX.EnsureVisible

Set nodX = Tvbg.Nodes.Add("C3", tvwChild, "C31", "Child 3 SubC 1")
Set nodX = Tvbg.Nodes.Add("C3", tvwChild, "C32", "Child 3 SubC 2")
nodX.EnsureVisible

Set nodX = Tvbg.Nodes.Add("C31", tvwChild, "C321", "Child 3 SubC 1 SubC 1")

Set nodX = Tvbg.Nodes.Add("C4", tvwChild, "C41", "Child 4 Subchild 1")
nodX.EnsureVisible

End Sub

Public Sub TreeViewMessage(ByVal hWnd As Long, _
ByVal wMsg As Long, ByVal wParam As Long, _
ByVal lParam As Long, RetVal As Long, _
UseRetVal As Boolean)

'Prevent recursion with this variable
Static InProc As Boolean

Dim Ps As PAINTSTRUCT
Dim TVDC As Long, drawDC1 As Long, drawDC2 As Long
Dim oldBMP1 As Long, drawBMP1 As Long
Dim oldBMP2 As Long, drawBMP2 As Long
Dim X As Long, Y As Long, w As Long, H As Long
Dim TVWidth As Long, TVHeight As Long

If wMsg = WM_PAINT Then
If InProc = True Then
Exit Sub
End If
InProc = True
'Prepare some variables we'll use
TVWidth = Tvbg.width \ Screen.TwipsPerPixelX
TVHeight = Tvbg.Height \ Screen.TwipsPerPixelY

w = ScaleX(Img.Picture.width, vbHimetric, vbPixels)
H = ScaleY(Img.Picture.Height, vbHimetric, vbPixels)

'Begin painting. This API must be called in
'response to the WM_PAINT message or you'll see
'some odd visual effects :-)
Call BeginPaint(hWnd, Ps)
TVDC = Ps.hDC

'Create a few canvases in memory to
'draw on
drawDC1 = CreateCompatibleDC(TVDC)
drawBMP1 = CreateCompatibleBitmap(TVDC, TVWidth, TVHeight)
oldBMP1 = SelectObject(drawDC1, drawBMP1)

drawDC2 = CreateCompatibleDC(TVDC)
drawBMP2 = CreateCompatibleBitmap(TVDC, TVWidth, TVHeight)
oldBMP2 = SelectObject(drawDC2, drawBMP2)

'This actually causes the TreeView to paint
'itself onto our memory DC!
SendMessage hWnd, WM_PAINT, drawDC1, ByVal 0&
'Tile the bitmap and draw the TreeView
'over it transparently
For Y = 0 To TVHeight Step H
For X = 0 To TVWidth Step w
PaintNormalStdPic drawDC2, X, Y, w, H, _
Img.Picture, 0, 0
Next
Next
PaintTransparentDC drawDC2, 0, 0, TVWidth, TVHeight, _
drawDC1, 0, 0, TranslateColor(vbWindowBackground)
'Draw to the target DC
BitBlt TVDC, 0, 0, TVWidth, TVHeight, _
drawDC2, 0, 0, vbSrcCopy

'Cleanup
SelectObject drawDC1, oldBMP1
SelectObject drawDC2, oldBMP2
DeleteObject drawBMP1
DeleteObject drawBMP2

EndPaint hWnd, Ps

RetVal = 0
UseRetVal = True
InProc = False

ElseIf wMsg = WM_ERASEBKGND Then
'Return TRUE
RetVal = 1
UseRetVal = True

ElseIf wMsg = WM_HSCROLL Or wMsg = WM_VSCROLL Or wMsg = WM_MOUSEWHEEL Then
'Force a repaint to keep the bitmap
'tiles lined up
InvalidateRect hWnd, 0, 0

End If

End Sub
LichKingSZ 2003-09-27
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Dim sNode As Node
Set sNode = .Nodes.Add(, , "SeeStock", "查看入库", "Close")
sNode.ForeColor = vbRed

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