.NET & Volume Control.

[dannyres]

Hey guys, does anyone know the API and how to use it, to control the system wide (main) volume? I know how todo this in vb6, but ive tried to convert it with no luck.... any help would be appreciate.



Dan


btw, i use vb.net

 

[dannyres]

Ok ive found out i need to use auxSet/GetVolume, and theres some example code on allapi.net... could someone help me to convert it to vb.net, or any .net language.... the page is here:

http://www.mentalis.org/apilist/auxSetVolume.shtml


Thanks... Dan

 

[Derek Stone]

Declare Function auxSetVolume Lib "winmm.dll" Alias "auxSetVolume" ( _
    ByVal uDeviceID As Integer, _
    ByVal dwVolume As Integer) As Integer

 

[dannyres]

ok, so in .net i need to convert all Longs to integers?.. (sorry im new to .net) anyway ive managed to convert most of the code in that example on AllApi.net except this:

Private Type AUXCAPS
       wMid As Integer
       wPid As Integer
       vDriverVersion As Integer
       szPname As String * MAXPNAMELEN
       wTechnology As Integer
       dwSupport As Integer
End Type
Private Type VolumeSetting
    LeftVol As Integer
    RightVol As Integer
End Type

....could someone please help



Dan


EDIT: oh and also As Any, which seems to have been removed in .net..

    Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (ByVal hpvDest As Any, ByVal hpvSource As Any, ByVal cbCopy As Integer)

I have a strange feeling this isnt going to work even when i have converted it

 

[Derek Stone]

Youll need to define mutiple overloads of RtlMoveMemory in many cases.

Most of your other API related questions are answered in VB.NET: Platform Invoke.