Beispiel #1
0
            private MIXERCONTROL GetLineControl(int controlType)
            {
                MIXERCONTROL      mxc  = new MIXERCONTROL(); mxc.Bounds = new Volume();
                MIXERLINECONTROLS mxlc = new MIXERLINECONTROLS();

                IntPtr p = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(MIXERCONTROL)));

                Marshal.StructureToPtr(mxc, p, true);

                mxlc.cbStruct      = Marshal.SizeOf(typeof(MIXERLINECONTROLS));
                mxlc.dwLineID      = this.lineid;
                mxlc.dwControlType = controlType;
                mxlc.cControls     = 1;
                mxlc.cbmxctrl      = Marshal.SizeOf(typeof(MIXERCONTROL));
                mxlc.pamxctrl      = p;
                Mixer.mixerGetLineControls((int)mixer.Handle, ref mxlc, Mixer.MIXER_OBJECTF_HMIXER | Mixer.MIXER_GETLINECONTROLSF_ONEBYTYPE);
                mxc = (MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl, typeof(MIXERCONTROL));
                return(mxc);
            }
Beispiel #2
0
			private MIXERCONTROL GetLineControl(int controlType)
			{
				MIXERCONTROL mxc=new MIXERCONTROL();mxc.Bounds=new Volume();
				MIXERLINECONTROLS mxlc=new MIXERLINECONTROLS();

				IntPtr p=Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(MIXERCONTROL)));
				Marshal.StructureToPtr(mxc,p,true);

				mxlc.cbStruct = Marshal.SizeOf(typeof(MIXERLINECONTROLS));
				mxlc.dwLineID =this.lineid;
				mxlc.dwControlType =controlType;
				mxlc.cControls = 1;
				mxlc.cbmxctrl = Marshal.SizeOf(typeof(MIXERCONTROL));
				mxlc.pamxctrl = p;
				Mixer.mixerGetLineControls((int)mixer.Handle,ref mxlc,Mixer.MIXER_OBJECTF_HMIXER |Mixer.MIXER_GETLINECONTROLSF_ONEBYTYPE);
				mxc=(MIXERCONTROL)Marshal.PtrToStructure(mxlc.pamxctrl,typeof(MIXERCONTROL));
				return mxc;
			}