form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Object = "{22D6F304-B0F6-11D0-94AB-0080C74C7E95}#1.0#0"; "msdxm.ocx"
Begin VB.Form form1 
   Caption         =   "可连续播放的MP3播放器"
   ClientHeight    =   4665
   ClientLeft      =   1125
   ClientTop       =   1500
   ClientWidth     =   4620
   LinkTopic       =   "Form1"
   ScaleHeight     =   4665
   ScaleWidth      =   4620
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command1 
      Caption         =   "退出"
      Height          =   375
      Left            =   2325
      TabIndex        =   8
      Top             =   4245
      Width           =   2190
   End
   Begin VB.ListBox List1 
      Height          =   2760
      Left            =   2340
      TabIndex        =   4
      Top             =   1425
      Width           =   2175
   End
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   1140
      TabIndex        =   3
      Top             =   780
      Width           =   3375
   End
   Begin VB.DirListBox Dir1 
      Height          =   1140
      Left            =   75
      TabIndex        =   2
      Top             =   1500
      Width           =   2175
   End
   Begin VB.FileListBox File1 
      Height          =   1890
      Left            =   60
      Pattern         =   "*.mp3"
      TabIndex        =   1
      Top             =   2700
      Width           =   2175
   End
   Begin VB.DriveListBox Drive1 
      Height          =   300
      Left            =   60
      TabIndex        =   0
      Top             =   1140
      Width           =   2175
   End
   Begin VB.Label Label2 
      Caption         =   "播放曲目列表"
      Height          =   375
      Left            =   2340
      TabIndex        =   7
      Top             =   1170
      Width           =   2175
   End
   Begin VB.Label Label1 
      Caption         =   "播放曲目"
      Height          =   255
      Left            =   180
      TabIndex        =   6
      Top             =   780
      Width           =   855
   End
   Begin MediaPlayerCtl.MediaPlayer MediaPlayer1 
      Height          =   615
      Left            =   60
      TabIndex        =   5
      Top             =   60
      Width           =   4455
      AudioStream     =   -1
      AutoSize        =   0   'False
      AutoStart       =   -1  'True
      AnimationAtStart=   -1  'True
      AllowScan       =   -1  'True
      AllowChangeDisplaySize=   -1  'True
      AutoRewind      =   0   'False
      Balance         =   0
      BaseURL         =   ""
      BufferingTime   =   5
      CaptioningID    =   ""
      ClickToPlay     =   -1  'True
      CursorType      =   0
      CurrentPosition =   -1
      CurrentMarker   =   0
      DefaultFrame    =   ""
      DisplayBackColor=   0
      DisplayForeColor=   16777215
      DisplayMode     =   0
      DisplaySize     =   4
      Enabled         =   -1  'True
      EnableContextMenu=   -1  'True
      EnablePositionControls=   -1  'True
      EnableFullScreenControls=   0   'False
      EnableTracker   =   -1  'True
      Filename        =   ""
      InvokeURLs      =   -1  'True
      Language        =   -1
      Mute            =   0   'False
      PlayCount       =   1
      PreviewMode     =   0   'False
      Rate            =   1
      SAMILang        =   ""
      SAMIStyle       =   ""
      SAMIFileName    =   ""
      SelectionStart  =   -1
      SelectionEnd    =   -1
      SendOpenStateChangeEvents=   -1  'True
      SendWarningEvents=   -1  'True
      SendErrorEvents =   -1  'True
      SendKeyboardEvents=   0   'False
      SendMouseClickEvents=   0   'False
      SendMouseMoveEvents=   0   'False
      SendPlayStateChangeEvents=   -1  'True
      ShowCaptioning  =   0   'False
      ShowControls    =   -1  'True
      ShowAudioControls=   -1  'True
      ShowDisplay     =   0   'False
      ShowGotoBar     =   0   'False
      ShowPositionControls=   -1  'True
      ShowStatusBar   =   0   'False
      ShowTracker     =   -1  'True
      TransparentAtStart=   0   'False
      VideoBorderWidth=   0
      VideoBorderColor=   0
      VideoBorder3D   =   0   'False
      Volume          =   -600
      WindowlessVideo =   0   'False
   End
End
Attribute VB_Name = "form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Dir1_Change()
  File1.Path = Dir1.Path
End Sub

Private Sub Drive1_Change()
  Dir1.Path = Drive1.Drive
End Sub

Private Sub File1_Click()
  If List1.ListCount = 0 Then
     List1.AddItem Dir1.Path & "\" & File1.FileName       '增加曲目到列表中
     List1.ListIndex = 0
     MediaPlayer1.FileName = List1.Text                   '设置播放曲目
     MediaPlayer1.AutoStart = True
   Else
     List1.AddItem Dir1.Path & "\" & File1.FileName       '增加曲目到列表中
  End If
End Sub

Private Sub List1_Click()
  Text1.Text = List1.Text
End Sub

Private Sub MediaPlayer1_PlayStateChange(ByVal OldState As Long, ByVal NewState As Long)
  '自动循环播放
  If MediaPlayer1.PlayState = mpStopped Then
     If List1.ListIndex < List1.ListCount - 1 Then
        List1.ListIndex = List1.ListIndex + 1
        MediaPlayer1.FileName = List1.Text
        MediaPlayer1.AutoStart = True
     End If
  End If
End Sub

Private Sub Command1_Click()
  End
End Sub