form1.frm

来自「很好的教程原代码！」· FRM 代码 · 共 42 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   960
      TabIndex        =   0
      Text            =   "Combo1"
      Top             =   960
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Sub Form_Load()
 Dim ret As Long
 AddOnWidth = 150
 '设定ComboBox中ListBox的宽度加150 Pixel
 '记录原本的Window Procedure的位址
 preWinProc = GetWindowLong(Combo1.hwnd, GWL_WNDPROC)
 '设定Combo1的window Procedure到wndproc
 ret = SetWindowLong(Combo1.hwnd, GWL_WNDPROC, AddressOf wndproc)
 Combo1.AddItem ("Windows API编程范例入门与提高")
 End Sub

 Private Sub Form_Unload(Cancel As Integer)
 Dim ret As Long
 '取消Message的截取，而送往原来的Window Procedure
 ret = SetWindowLong(Combo1.hwnd, GWL_WNDPROC, preWinProc)
 End Sub