non ou bien on la lit mais on ne la comprendra jamaisOn ne lit j'amais assez la doc

si non de rien

@++
Code : Tout sélectionner
Procedure.l MIXER_getVolume(Type.l)
Protected dwVolume.l, result.l, hMixer
Protected ml.MIXERLINE, mlc.MIXERLINECONTROLS,mc.MIXERCONTROL,mcd.MIXERCONTROLDETAILS,mcdu.MIXERCONTROLDETAILS_UNSIGNED
RtlZeroMemory_(ml,SizeOf(MIXERLINE))
RtlZeroMemory_(mlc,SizeOf(MIXERLINECONTROLS))
RtlZeroMemory_(mcd,SizeOf(MIXERCONTROLDETAILS))
RtlZeroMemory_(mcdu,SizeOf(MIXERCONTROLDETAILS_UNSIGNED))
result = mixerOpen_(@hMixer, 0, 0, 0, #MIXER_OBJECTF_HMIXER)
If result = #MMSYSERR_NOERROR
ml\cbStruct = SizeOf(MIXERLINE)
ml\dwComponentType = Type
result = mixerGetLineInfo_(hMixer, @ml, #MIXER_GETLINEINFOF_COMPONENTTYPE)
If result = #MMSYSERR_NOERROR
mlc\cbStruct = SizeOf(MIXERLINECONTROLS)
mlc\dwLineID = ml\dwLineID
mlc\dwControlType = #MIXERCONTROL_CONTROLTYPE_VOLUME
mlc\cControls = 1
mlc\pamxctrl = @mc
mlc\cbmxctrl = SizeOf(MIXERCONTROL)
result = mixerGetLineControls_(hMixer, @mlc, #MIXER_GETLINECONTROLSF_ONEBYTYPE)
If result = #MMSYSERR_NOERROR
mcd\cbStruct = SizeOf(MIXERCONTROLDETAILS)
mcd\dwControlID = mc\dwControlID;
mcd\paDetails = @mcdu
mcd\cbDetails = SizeOf(MIXERCONTROLDETAILS_UNSIGNED)
mcd\cChannels = 1
result = mixerGetControlDetails_(hMixer, @mcd, #MIXER_SETCONTROLDETAILSF_VALUE)
If result = #MMSYSERR_NOERROR
dwVolume = mcdu\dwValue
EndIf
EndIf
EndIf
EndIf
ProcedureReturn dwVolume
EndProcedure