"WAVEOUTCAPS" [http://msdn2.microsoft.com/en-us/library/ms713743(d=printer).aspx]
"Manufacturer and Product Identifiers" [http://msdn2.microsoft.com/en-us/library/ms709440.aspx]
[DllImport("winmm.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern uint waveOutGetDevCaps(IntPtr hwo,ref WAVEOUTCAPS pwoc,uint cbwoc);
Declare Auto Function waveOutGetDevCaps Lib "winmm.dll" (ByVal uDeviceID as Integer, ByRef lpCaps As WAVEOUTCAPS, _
ByVal uSize As Integer) As Integer
Public Const C_MAXPNAMELEN As Integer = 32
Public Const WAVE_MAPPER As Integer = -1 'Specifies default device ID
VB.NET 2005 - Use the following structure: WAVEOUTCAPS
<Runtime.InteropServices.StructLayout(Runtime.InteropServices.LayoutKind.Sequential, CharSet:=Runtime.InteropServices.CharSet.Auto)> _
Public Structure WAVEOUTCAPS
Public wMid As Short
Public wPid As Short
Public vDriverVersion As Integer
<System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValTStr, SizeConst:=32)> _
Public szPname As String
Public dwFormats As Integer
Public wChannels As Short
Public wReserved As Short
Public dwSupport As Integer
End Structure
Do you know one? Please contribute it!
Remember to have the strings marshaled as ByValTStr with size of 32.
Use "Auto" in the Declare statement to have the correct character set selected automatically.
Please add some!
Sub ShowDeviceCaps()
Dim i As Integer
Dim wc As New WAVEOUTCAPS
MsgBox("Number of Wave Devices: " & waveOutGetNumDevs(), , "WAVE DEVICES")
For i = 0 To waveOutGetNumDevs() - 1
waveOutGetDevCaps(i, wc, Len(wc))
MsgBox("MID = " & wc.wMid & Chr(13) & "PID = " & wc.wPid & Chr(13) & "Version = " & _
wc.vDriverVersion & Chr(13) & "Name = " & wc.szPname & Chr(13) & "Formats = " & wc.dwFormats & _
Chr(13) & "Channels = " & wc.wChannels, , "Device ID = " & i + 1)
Next i
End Sub