form1.frm

来自「非常漂亮的VB控件」· FRM 代码 · 共 66 行

VERSION 5.00
Object = "*\ANiceCombo.vbp"
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 工程1.NiceCombo NiceCombo1 
      Height          =   300
      Left            =   1125
      TabIndex        =   0
      Top             =   1575
      Width           =   2130
      _extentx        =   3757
      _extenty        =   529
   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 SendMessage Lib "user32" _
    Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, _
    ByVal wParam As Long, lParam As Long) As Long

Private Const CB_SHOWDROPDOWN = &H14F

Private Sub P_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    PaintCombos PD ' image on
    ' Automatically drops down the ComboBox
    SendMessage Combo1.hwnd, CB_SHOWDROPDOWN, 1, ByVal 0&
End Sub

Private Sub P_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
    PaintCombos PO ' image over
End Sub

Private Sub P_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
    PaintCombos PN ' image off
End Sub

Private Sub Combo1_Click()
    P.Cls
    PaintCombos PO ' image over
End Sub

Private Sub Combo1_LostFocus()
    PaintCombos PN ' Image Off
End Sub

Private Sub PaintCombos(Pict As Image)
    
    ' set the picture
    With P
        .Picture = Pict ' the Image
    End With
    
End Sub