VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   5460
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6105
   LinkTopic       =   "Form1"
   ScaleHeight     =   5460
   ScaleWidth      =   6105
   StartUpPosition =   3  '窗口缺省
   Begin VB.ListBox List1 
      Height          =   3120
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   4695
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'
'----------------------By 陳銳------------------------------
'如果你要在Internet或BBS上轉(zhuǎn)貼文章,請通知我知道
'Email: blackcat@nease.net  develope@163.net
'請參觀我的站點(diǎn) http://www.nease.net/~blackcat

'這個程序演示如何給List Box的每個列表行加上不同的提示行
'運(yùn)行該程序，當(dāng)鼠標(biāo)移動到任一行上后，彈出的ToolTip就會提示該行的完整內(nèi)容
'
Option Explicit

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" _
  (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _
    lParam As Any) As Long

Private Const LB_ITEMFROMPOINT = &H1A9

Private Sub Form_Load()
    With List1
        .AddItem "陳銳  ChenReee@Netaddress.com"
        .AddItem "陳銳  Reee-Chen@Netaddress.com"
        .AddItem "陳銳  Chenrui@hotmail.com"
    End With
End Sub

Private Sub List1_MouseMove(Button As Integer, Shift As Integer, _
X As Single, Y As Single)
    '
    ' present related tip message
    '
    Dim lXPoint As Long
    Dim lYPoint As Long
    Dim lIndex As Long
    '
    If Button = 0 Then ' 如果沒有按鈕被按下
        lXPoint = CLng(X / Screen.TwipsPerPixelX)
        lYPoint = CLng(Y / Screen.TwipsPerPixelY)
        With List1
            ' 獲得當(dāng)前的光標(biāo)所在的的屏幕位置確定標(biāo)題位置
            lIndex = SendMessage(.hwnd, LB_ITEMFROMPOINT, 0, _
            ByVal ((lYPoint * 65536) + lXPoint))
            ' 顯示提示行或清除提示行
            If (lIndex >= 0) And (lIndex <= .ListCount) Then
                .ToolTipText = .List(lIndex)
            Else
                .ToolTipText = ""
            End If
        End With
    End If
End Sub