mirror of https://github.com/dahall/Vanara.git
Added DISPLAY_DEVICE
David Hall
parent
38fadc70ee
commit
dcdb27e2c0
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@ -210,6 +210,67 @@ namespace Vanara.PInvoke
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BLTALIGNMENT = 119
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}
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/// <summary>Device state flags.</summary>
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[PInvokeData("wingdi.h", MSDNShortId = "9a7813fe-358a-44eb-99da-c63f98d055c3")]
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[Flags]
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public enum DISPLAY_DEVICE_FLAGS
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{
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/// <summary>
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/// The DISPLAY_DEVICE_ACTIVE specifies whether a monitor is presented as being "on" by the respective GDI view. Windows Vista:
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/// EnumDisplayDevices will only enumerate monitors that can be presented as being "on."
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/// </summary>
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DISPLAY_DEVICE_ACTIVE = 0x00000001,
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/// <summary>The display device is attached.</summary>
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DISPLAY_DEVICE_ATTACHED = 0x00000002,
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/// <summary>The display device attached to desktop</summary>
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DISPLAY_DEVICE_ATTACHED_TO_DESKTOP = 0x00000001,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_MULTI_DRIVER = 0x00000002,
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/// <summary>
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/// The primary desktop is on the device. For a system with a single display card, this is always set. For a system with multiple
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/// display cards, only one device can have this set.
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/// </summary>
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DISPLAY_DEVICE_PRIMARY_DEVICE = 0x00000004,
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/// <summary>
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/// Represents a pseudo device used to mirror application drawing for remoting or other purposes. An invisible pseudo monitor is
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/// associated with this device. For example, NetMeeting uses it. Note that GetSystemMetrics (SM_MONITORS) only accounts for
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/// visible display monitors.
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/// </summary>
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DISPLAY_DEVICE_MIRRORING_DRIVER = 0x00000008,
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/// <summary>The device is VGA compatible.</summary>
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DISPLAY_DEVICE_VGA_COMPATIBLE = 0x00000010,
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/// <summary>The device is removable; it cannot be the primary display.</summary>
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DISPLAY_DEVICE_REMOVABLE = 0x00000020,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_ACC_DRIVER = 0x00000040,
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/// <summary>The device has more display modes than its output devices support.</summary>
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DISPLAY_DEVICE_MODESPRUNED = 0x08000000,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_RDPUDD = 0x01000000,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_REMOTE = 0x04000000,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_DISCONNECT = 0x02000000,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_TS_COMPATIBLE = 0x00200000,
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/// <summary>Undocumented.</summary>
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DISPLAY_DEVICE_UNSAFE_MODES_ON = 0x00080000,
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}
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/// <summary>Hatch style used by <see cref="LOGBRUSH.lbHatchStyle"/>.</summary>
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[PInvokeData("wingdi.h", MSDNShortId = "ded2c7a4-2248-4d01-95c6-ab4050719094")]
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public enum HatchStyle : uint
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@ -314,6 +375,23 @@ namespace Vanara.PInvoke
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CAPTUREBLT = 0x40000000
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}
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/// <summary>Flags used with region functions.</summary>
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[PInvokeData("wingdi.h")]
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public enum RegionFlags
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{
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/// <summary>An error occurred.</summary>
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ERROR = 0,
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/// <summary>Region is empty.</summary>
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NULLREGION = 1,
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/// <summary>Region is a single rectangle.</summary>
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SIMPLEREGION = 2,
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/// <summary>Region consists of more than one rectangle.</summary>
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COMPLEXREGION = 3,
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}
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/// <summary>The AlphaBlend function displays bitmaps that have transparent or semitransparent pixels.</summary>
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/// <param name="hdcDest">A handle to the destination device context.</param>
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/// <param name="nXOriginDest">The x-coordinate, in logical units, of the upper-left corner of the destination rectangle.</param>
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@ -453,7 +531,7 @@ namespace Vanara.PInvoke
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/// </para>
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/// <para>
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/// ICM: If the DC that is passed to this function is enabled for Image Color Management (ICM), the DC created by the function is
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/// ICM-enabled. The source and destination color spaces are specified in the DC.
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/// ICM-enabled. The source and destination color spaces are specified in the DC.
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/// </para>
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/// </remarks>
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[DllImport(Lib.Gdi32, ExactSpelling = true, SetLastError = true)]
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@ -742,5 +820,92 @@ namespace Vanara.PInvoke
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[return: MarshalAs(UnmanagedType.Bool)]
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[PInvokeData("Wingdi.h", MSDNShortId = "dd145141")]
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public static extern bool TransparentBlt(HDC hdcDest, int xOriginDest, int yOriginDest, int wDest, int hDest, HDC hdcSrc, int xOriginSrc, int yOriginSrc, int wSrc, int hSrc, int crTransparent);
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/// <summary>
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/// The <c>DISPLAY_DEVICE</c> structure receives information about the display device specified by the iDevNum parameter of the
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/// EnumDisplayDevices function.
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/// </summary>
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/// <remarks>
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/// The four string members are set based on the parameters passed to EnumDisplayDevices. If the lpDevice param is <c>NULL</c>, then
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/// DISPLAY_DEVICE is filled in with information about the display adapter(s). If it is a valid device name, then it is filled in
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/// with information about the monitor(s) for that device.
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/// </remarks>
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// https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-_display_devicea typedef struct _DISPLAY_DEVICEA { DWORD cb;
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// CHAR DeviceName[32]; CHAR DeviceString[128]; DWORD StateFlags; CHAR DeviceID[128]; CHAR DeviceKey[128]; } DISPLAY_DEVICEA,
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// *PDISPLAY_DEVICEA, *LPDISPLAY_DEVICEA;
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[PInvokeData("wingdi.h", MSDNShortId = "9a7813fe-358a-44eb-99da-c63f98d055c3")]
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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public struct DISPLAY_DEVICE
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{
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/// <summary>Size, in bytes, of the <c>DISPLAY_DEVICE</c> structure. This must be initialized prior to calling EnumDisplayDevices.</summary>
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public uint cb;
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/// <summary>An array of characters identifying the device name. This is either the adapter device or the monitor device.</summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
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public string DeviceName;
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/// <summary>
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/// An array of characters containing the device context string. This is either a description of the display adapter or of the
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/// display monitor.
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/// </summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
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public string DeviceString;
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/// <summary>
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/// <para>Device state flags. It can be any reasonable combination of the following.</para>
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/// <list type="table">
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/// <listheader>
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/// <term>Value</term>
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/// <term>Meaning</term>
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/// </listheader>
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/// <item>
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/// <term>DISPLAY_DEVICE_ACTIVE</term>
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/// <term>
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/// DISPLAY_DEVICE_ACTIVE specifies whether a monitor is presented as being "on" by the respective GDI view. Windows Vista:
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/// EnumDisplayDevices will only enumerate monitors that can be presented as being "on."
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/// </term>
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/// </item>
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/// <item>
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/// <term>DISPLAY_DEVICE_MIRRORING_DRIVER</term>
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/// <term>
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/// Represents a pseudo device used to mirror application drawing for remoting or other purposes. An invisible pseudo monitor is
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/// associated with this device. For example, NetMeeting uses it. Note that GetSystemMetrics (SM_MONITORS) only accounts for
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/// visible display monitors.
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/// </term>
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/// </item>
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/// <item>
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/// <term>DISPLAY_DEVICE_MODESPRUNED</term>
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/// <term>The device has more display modes than its output devices support.</term>
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/// </item>
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/// <item>
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/// <term>DISPLAY_DEVICE_PRIMARY_DEVICE</term>
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/// <term>
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/// The primary desktop is on the device. For a system with a single display card, this is always set. For a system with multiple
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/// display cards, only one device can have this set.
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/// </term>
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/// </item>
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/// <item>
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/// <term>DISPLAY_DEVICE_REMOVABLE</term>
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/// <term>The device is removable; it cannot be the primary display.</term>
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/// </item>
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/// <item>
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/// <term>DISPLAY_DEVICE_VGA_COMPATIBLE</term>
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/// <term>The device is VGA compatible.</term>
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/// </item>
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/// </list>
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/// </summary>
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public DISPLAY_DEVICE_FLAGS StateFlags;
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/// <summary>Not used.</summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
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public string DeviceID;
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/// <summary>Reserved.</summary>
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
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public string DeviceKey;
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/// <summary>Gets an empty structure with the <see cref="cb"/> set to the size of the structure.</summary>
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public static readonly DISPLAY_DEVICE Default = new DISPLAY_DEVICE { cb = (uint)Marshal.SizeOf(typeof(DISPLAY_DEVICE)) };
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}
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}
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}
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