VB Mute Microphone PC ใช้ไลบรารี่ตัวไหน หรือมีวิธีบ้างไหมครับ

Private Const APPCOMMAND_VOLUME_MUTE As Integer = &H80000
Private Const WM_APPCOMMAND As Integer = &H319
Declare Function SendMessageW Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As IntPtr

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
	SendMessageW(Me.Handle, WM_APPCOMMAND, Me.Handle, CType(APPCOMMAND_VOLUME_MUTE, IntPtr))
End Sub