Server/Display.cs
author sl
Sun, 31 Aug 2014 18:33:05 +0200
changeset 52 b22b0127afa4
parent 46 0c0ee86760ea
child 53 f7ad2dce46a9
permissions -rw-r--r--
Adding support for power on/off.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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//
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using System.Runtime.InteropServices;
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//using System.Runtime.Serialization;
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namespace SharpDisplayManager
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{
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    /// <summary>
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    /// Provide access to our display hardware through MiniDisplay API.
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    /// </summary>
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    public class Display
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    {
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        //Constructor
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        public Display()
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        {
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            iDevice = IntPtr.Zero;
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        }
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        //
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        public bool Open(TMiniDisplayType aType)
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        {
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            if (iDevice == IntPtr.Zero)
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            {
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                iDevice = MiniDisplayOpen(aType);
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            }
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            return iDevice != IntPtr.Zero;
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        }
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        public void Close()
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        {
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            MiniDisplayClose(iDevice);
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            iDevice = IntPtr.Zero;
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        }
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        public bool IsOpen()
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        {
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            return iDevice != IntPtr.Zero;
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        }
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        public void Clear()
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        {
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            MiniDisplayClear(iDevice);
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        }
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        public void Fill()
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        {
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            MiniDisplayFill(iDevice);
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        }
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        public void SwapBuffers()
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        {
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            MiniDisplaySwapBuffers(iDevice);
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        }
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        public int MaxBrightness()
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        {
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            return MiniDisplayMaxBrightness(iDevice);
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        }
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        public int MinBrightness()
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        {
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            return MiniDisplayMinBrightness(iDevice);
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        }
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        public void SetBrightness(int aBrightness)
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        {
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            if (!IsOpen()) return;
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            MiniDisplaySetBrightness(iDevice, aBrightness);
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        }
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        public int WidthInPixels()
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        {
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            return MiniDisplayWidthInPixels(iDevice);
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        }
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        public int HeightInPixels()
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        {
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            return MiniDisplayHeightInPixels(iDevice);
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        }
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        public void SetPixel(int aX, int aY, int aValue)
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        {
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            MiniDisplaySetPixel(iDevice,aX,aY,aValue);
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        }
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        public void RequestPowerSupplyStatus()
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        {
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            MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestPowerSupplyStatus);
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        }
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        public void RequestDeviceId()
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        {
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            MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestDeviceId);
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        }
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        public void RequestFirmwareRevision()
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        {
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            MiniDisplayRequest(iDevice, TMiniDisplayRequest.EMiniDisplayRequestFirmwareRevision);
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        }
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        public void PowerOn()
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        {
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            MiniDisplayPowerOn(iDevice);
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        }
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        public void PowerOff()
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        {
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            MiniDisplayPowerOff(iDevice);
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        }
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        public bool SupportPowerOnOff()
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        {
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            return MiniDisplaySupportPowerOnOff(iDevice);
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        }
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        public bool PowerSupplyStatus()
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        {
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            bool res = MiniDisplayPowerSupplyStatus(iDevice);
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            return res;
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        }
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        public TMiniDisplayRequest AttemptRequestCompletion()
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        {
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            return MiniDisplayAttemptRequestCompletion(iDevice);
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        }
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        public TMiniDisplayRequest CurrentRequest()
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        {
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            return MiniDisplayCurrentRequest(iDevice);
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        }
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        public bool IsRequestPending()
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        {
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            return CurrentRequest() != TMiniDisplayRequest.EMiniDisplayRequestNone;
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        }
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        public string Vendor()
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        {
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            IntPtr ptr = MiniDisplayVendor(iDevice);
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            string str = Marshal.PtrToStringUni(ptr);
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            return str;
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        }
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        public string Product()
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        {
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            IntPtr ptr = MiniDisplayProduct(iDevice);
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            string str = Marshal.PtrToStringUni(ptr);
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            return str;
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        }
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        public string SerialNumber()
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        {
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            IntPtr ptr = MiniDisplaySerialNumber(iDevice);
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            string str = Marshal.PtrToStringUni(ptr);
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            return str;
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        }
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        public string DeviceId()
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        {
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            IntPtr ptr = MiniDisplayDeviceId(iDevice);
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            string str = Marshal.PtrToStringAnsi(ptr);
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            return str;
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        }
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        public string FirmwareRevision()
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        {
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            IntPtr ptr = MiniDisplayFirmwareRevision(iDevice);
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            string str = Marshal.PtrToStringAnsi(ptr);
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            return str;
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        }
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        //Our display device handle
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        IntPtr iDevice;
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        //[Serializable]
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        public enum TMiniDisplayType
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        {
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            EMiniDisplayAutoDetect, /*Not yet implemented*/
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            //[EnumMember(Value = "EMiniDisplayFutabaGP1212A01")]
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            EMiniDisplayFutabaGP1212A01,
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            //[EnumMember(Value = "EMiniDisplayFutabaGP1212A01")]
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            EMiniDisplayFutabaGP1212A02
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        };
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        public enum TMiniDisplayRequest
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        {
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            EMiniDisplayRequestNone,
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            EMiniDisplayRequestDeviceId,
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            EMiniDisplayRequestFirmwareRevision,
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            EMiniDisplayRequestPowerSupplyStatus
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        };
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplayOpen(TMiniDisplayType aType);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayClose(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayClear(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayFill(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplaySwapBuffers(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplaySetBrightness(IntPtr aDevice, int aBrightness);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern int MiniDisplayMinBrightness(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern int MiniDisplayMaxBrightness(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern int MiniDisplayWidthInPixels(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern int MiniDisplayHeightInPixels(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern int MiniDisplaySetPixel(IntPtr aDevice, int aX, int aY, int aValue);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplayVendor(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplayProduct(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplaySerialNumber(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplayDeviceId(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern IntPtr MiniDisplayFirmwareRevision(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        [return: MarshalAs(UnmanagedType.I1)]
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        public static extern bool MiniDisplayPowerSupplyStatus(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayRequest(IntPtr aDevice, TMiniDisplayRequest aRequest);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern TMiniDisplayRequest MiniDisplayAttemptRequestCompletion(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern TMiniDisplayRequest MiniDisplayCurrentRequest(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayCancelRequest(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayPowerOn(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        public static extern void MiniDisplayPowerOff(IntPtr aDevice);
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        [DllImport("MiniDisplay.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
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        [return: MarshalAs(UnmanagedType.I1)]
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        public static extern bool MiniDisplaySupportPowerOnOff(IntPtr aDevice);
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    }
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}