找到一个书上的小程序给你参考一下. 用到API函数. Private Declare Function GetMenu Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long Private Declare Function GetMenuItemID Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long Private Declare Function ModifyMenu Lib "user32" Alias "ModifyMenuA" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long, ByVal wIDNewItem As Long, ByVal lpString As Any) As Long Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long Private 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 Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As LongConst SRCCOPY = &HCC0020 Const MF_BITMAP = &H4& Const MF_BYPOSITION = &H400&Private Sub Form_Load() Dim nLoopCtr As Integer Dim lResult As Long Dim hTempDC As Long Dim nWidth As Long Dim nHeight As Long Dim lTempID As Long Dim hMenuID As Long Dim lItemCount As Long Dim hBitmap As Long
nWidth = Pic.Width \ Screen.TwipsPerPixelX nHeight = Pic.Height \ Screen.TwipsPerPixelY hMenuID = GetSubMenu(GetMenu(Me.hwnd), 0) hTempDC = CreateCompatibleDC(Pic.hdc) For i = 0 To 1 hBitmap = CreateCompatibleBitmap(Pic.hdc, nWidth, nHeight) lTempID = SelectObject(hTempDC, hBitmap) lResult = BitBlt(hTempDC, 0, 0, nWidth, nHeight, Pic.hdc, 0, 0, SRCCOPY) lTempID = SelectObject(hTempDC, lTempID) M_Item1(i).Caption = "" lResult = ModifyMenu(hMenuID, i, MF_BYPOSITION Or MF_BITMAP, GetMenuItemID(hMenuID, i), hBitmap) Next i lResult = DeleteDC(hTempDC) End Sub
用到API函数.
Private Declare Function GetMenu Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long
Private Declare Function GetMenuItemID Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long
Private Declare Function ModifyMenu Lib "user32" Alias "ModifyMenuA" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long, ByVal wIDNewItem As Long, ByVal lpString As Any) As Long
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private 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
Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As LongConst SRCCOPY = &HCC0020
Const MF_BITMAP = &H4&
Const MF_BYPOSITION = &H400&Private Sub Form_Load()
Dim nLoopCtr As Integer
Dim lResult As Long
Dim hTempDC As Long
Dim nWidth As Long
Dim nHeight As Long
Dim lTempID As Long
Dim hMenuID As Long
Dim lItemCount As Long
Dim hBitmap As Long
nWidth = Pic.Width \ Screen.TwipsPerPixelX
nHeight = Pic.Height \ Screen.TwipsPerPixelY
hMenuID = GetSubMenu(GetMenu(Me.hwnd), 0)
hTempDC = CreateCompatibleDC(Pic.hdc)
For i = 0 To 1
hBitmap = CreateCompatibleBitmap(Pic.hdc, nWidth, nHeight)
lTempID = SelectObject(hTempDC, hBitmap)
lResult = BitBlt(hTempDC, 0, 0, nWidth, nHeight, Pic.hdc, 0, 0, SRCCOPY)
lTempID = SelectObject(hTempDC, lTempID)
M_Item1(i).Caption = ""
lResult = ModifyMenu(hMenuID, i, MF_BYPOSITION Or MF_BITMAP, GetMenuItemID(hMenuID, i), hBitmap)
Next i
lResult = DeleteDC(hTempDC)
End Sub
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那就用控件吧
smartxpmenu
免费控件下载.使用也简单,无须一行代码.