form1.frm

大量优秀的vb编程

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "带图标的菜单"
   ClientHeight    =   2340
   ClientLeft      =   132
   ClientTop       =   708
   ClientWidth     =   4368
   LinkTopic       =   "Form1"
   ScaleHeight     =   2340
   ScaleWidth      =   4368
   StartUpPosition =   3  '窗口缺省
   Begin VB.PictureBox Pic 
      AutoRedraw      =   -1  'True
      AutoSize        =   -1  'True
      BorderStyle     =   0  'None
      Height          =   384
      Left            =   1920
      Picture         =   "Form1.frx":0000
      ScaleHeight     =   384
      ScaleWidth      =   384
      TabIndex        =   0
      Top             =   1080
      Width           =   384
   End
   Begin VB.Menu M_Main_File 
      Caption         =   "&File"
      Begin VB.Menu M_Item1 
         Caption         =   "Item0"
         Index           =   0
      End
      Begin VB.Menu M_Item1 
         Caption         =   "Item1"
         Index           =   1
      End
      Begin VB.Menu M_Item2 
         Caption         =   "Item2"
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

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 Long

Const 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