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Imports System.Drawing.Drawing2D Public Class AudioBtn Inherits System.Windows.Forms.Button #Region " Windows Form Designer generated code " Public Sub New() MyBase.New() 'This call is required by the Windows Form Designer. InitializeComponent() 'Add any initialization after the InitializeComponent() call 'We add the different handlers AddHandler Me.MouseEnter, AddressOf PlayMouseEnterSound AddHandler Me.MouseLeave, AddressOf PlayMouseLeaveSound AddHandler Me.Click, AddressOf PlayMouseClickSound AddHandler Me.MouseDown, AddressOf PlayMouseDownSound AddHandler Me.MouseUp, AddressOf PlayMouseUpSound End Sub 'UserControl1 overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System.ComponentModel.IContainer 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. 'Friend WithEvents btnMain As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.SuspendLayout() ' 'AudioBtn ' Me.Name = "AudioBtn" Me.Size = New System.Drawing.Size(296, 120) Me.ResumeLayout(False) End Sub #End Region Private mEnterWaveFile As String Private mLeaveWaveFile As String Private mClickWaveFile As String Private mDownWaveFile As String Private mUpWaveFile As String Private mSndPlayer As New SoundPlayer Public Property MouseEnterWaveFile() As String Get Return mEnterWaveFile End Get Set(ByVal Value As String) If System.IO.File.Exists(Value) = True Then mEnterWaveFile = Value.Trim End If End Set End Property Public Property MouseLeaveWaveFile() As String Get Return mLeaveWaveFile End Get Set(ByVal Value As String) If System.IO.File.Exists(Value) = True Then mLeaveWaveFile = Value.Trim End If End Set End Property Public Property MouseClickWaveFile() As String Get Return mClickWaveFile End Get Set(ByVal Value As String) If System.IO.File.Exists(Value) = True Then mClickWaveFile = Value.Trim End If End Set End Property Public Property MouseDownWaveFile() As String Get Return mDownWaveFile End Get Set(ByVal Value As String) If System.IO.File.Exists(Value) = True Then mDownWaveFile = Value.Trim End If End Set End Property Public Property MouseUpWaveFile() As String Get Return mUpWaveFile End Get Set(ByVal Value As String) If System.IO.File.Exists(Value) = True Then mUpWaveFile = Value.Trim End If End Set End Property Private Sub PlayMouseEnterSound(ByVal Sender As Object, ByVal e As EventArgs) If mEnterWaveFile <> "" Then Try mSndPlayer.Play(mEnterWaveFile) Catch PlayErr As Exception 'We do nothing End Try #If DEBUG Then Debug.Write("Enter") #End If End If End Sub Private Sub PlayMouseLeaveSound(ByVal Sender As Object, ByVal e As EventArgs) If mLeaveWaveFile <> "" Then Try mSndPlayer.Play(MouseLeaveWaveFile) Catch PlayErr As Exception 'We do nothing End Try #If DEBUG Then Debug.Write("Leave") #End If End If End Sub Private Sub PlayMouseClickSound(ByVal Sender As Object, ByVal e As EventArgs) If mClickWaveFile <> "" Then Try mSndPlayer.Play(mClickWaveFile) Catch PlayErr As Exception 'We do nothing End Try #If DEBUG Then Debug.Write("Click") #End If End If End Sub Private Sub PlayMouseDownSound(ByVal Sender As Object, ByVal e As MouseEventArgs) If mClickWaveFile <> "" Then Try mSndPlayer.Play(mDownWaveFile) Catch PlayErr As Exception 'We do nothing End Try #If DEBUG Then Debug.Write("Down") #End If End If End Sub Private Sub PlayMouseUpSound(ByVal Sender As Object, ByVal e As MouseEventArgs) If mClickWaveFile <> "" Then Try mSndPlayer.Play(mUpWaveFile) Catch PlayErr As Exception 'We do nothing End Try #If DEBUG Then Debug.Write("Up") #End If End If End Sub Private Class SoundPlayer Private Declare Auto Function PlaySound Lib "winmm.dll" (ByVal name As String, ByVal hmod As Integer, ByVal flags As Integer) As Integer ' name specifies the sound file when the SND_FILENAME flag is set. ' hmod specifies an executable file handle. ' hmod must be Nothing if the SND_RESOURCE flag is not set. ' flags specifies which flags are set. ' The PlaySound documentation lists all valid flags. Private Enum SndModeEnum SND_SYNC = &H0 SND_ASYNC = &H1 SND_FILENAME = &H20000 SND_RESOURCE = &H40004 End Enum Private Const SND_SYNC As Integer = &H0 ' play synchronously Private Const SND_ASYNC As Integer = &H1 ' play asynchronously Private Const SND_FILENAME As Integer = &H20000 ' name is file name Private Const SND_RESOURCE As Integer = &H40004 ' name is resource name or atom Public Sub Play(ByVal filename As String) ' Plays a sound from filename. PlaySound(filename, Nothing, SndModeEnum.SND_FILENAME Or SndModeEnum.SND_ASYNC) End Sub End Class Protected Overrides Sub Finalize() RemoveHandler Me.MouseEnter, AddressOf PlayMouseEnterSound RemoveHandler Me.MouseLeave, AddressOf PlayMouseLeaveSound RemoveHandler Me.Click, AddressOf PlayMouseClickSound RemoveHandler Me.MouseDown, AddressOf PlayMouseDownSound RemoveHandler Me.MouseUp, AddressOf PlayMouseUpSound MyBase.Finalize() End Sub End Class
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