aviplayer.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Object = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}#1.1#0"; "MCI32.OCX"
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Begin VB.Form Form1 
   Caption         =   "AVI Player"
   ClientHeight    =   1305
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   1305
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton cmdGetAVI 
      Caption         =   "Open AVI File to Play"
      Height          =   495
      Left            =   120
      TabIndex        =   1
      Top             =   720
      Width           =   4455
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   4080
      Top             =   840
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin MCI.MMControl MMControl1 
      Height          =   495
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   4500
      _ExtentX        =   7938
      _ExtentY        =   873
      _Version        =   393216
      DeviceType      =   ""
      FileName        =   ""
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig. 20.8
' Using the Microsoft Multimedia MCI Control to
' play AVI files with audio
Option Explicit

Private Sub Form_Load()
   MMControl1.Notify = False
   MMControl1.Wait = True
   MMControl1.Shareable = False
   MMControl1.DeviceType = "AVIVideo"
   MMControl1.UpdateInterval = 500
End Sub

Private Sub cmdGetAVI_Click()
   CommonDialog1.Filter = "AVI (*.avi)|*.avi"
   CommonDialog1.ShowOpen
   MMControl1.Command = "Close"
   MMControl1.FileName = CommonDialog1.FileName
   MMControl1.Command = "Open"
End Sub

Private Sub Form_Terminate()
   MMControl1.Command = "Close"
End Sub

Private Sub MMControl1_PlayClick(Cancel As Integer)
   cmdGetAVI.Enabled = False
End Sub

Private Sub MMControl1_StatusUpdate()
   If (MMControl1.Mode <> mciModePlay And _
       MMControl1.Mode <> mciModePause) Then
      cmdGetAVI.Enabled = True
   End If
End Sub