#region Imports
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Security;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Native
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{
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#region DwmApiNative
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[SuppressUnmanagedCodeSecurity]
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internal class DwmApi
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{
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#region Structs
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[StructLayout(LayoutKind.Explicit)]
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public struct RECT
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{
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[FieldOffset(12)]
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public int bottom;
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[FieldOffset(0)]
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public int left;
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[FieldOffset(8)]
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public int right;
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[FieldOffset(4)]
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public int top;
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public RECT(Rectangle rect)
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{
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left = rect.Left;
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top = rect.Top;
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right = rect.Right;
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bottom = rect.Bottom;
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}
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public RECT(int leftt, int topp, int rightt, int bottomm)
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{
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left = leftt;
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top = topp;
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right = rightt;
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bottom = bottomm;
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}
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public void Set()
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{
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left = InlineAssignHelper(ref top, InlineAssignHelper(ref right, InlineAssignHelper(ref bottom, 0)));
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}
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public void Set(Rectangle rect)
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{
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left = rect.Left;
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top = rect.Top;
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right = rect.Right;
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bottom = rect.Bottom;
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}
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public void Set(int leftt, int topp, int rightt, int bottomm)
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{
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left = leftt;
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top = topp;
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right = rightt;
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bottom = bottomm;
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}
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public Rectangle ToRectangle()
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{
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return new Rectangle(left, top, right - left, bottom - top);
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}
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public int Height => bottom - top;
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public Size Size => new(Width, Height);
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public int Width => right - left;
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private static T InlineAssignHelper<T>(ref T target, T value)
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{
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target = value;
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return value;
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}
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_BLURBEHIND
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{
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public int dwFlags;
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public int fEnable;
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public IntPtr hRgnBlur;
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public int fTransitionOnMaximized;
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private DWM_BLURBEHIND(bool enable)
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{
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dwFlags = DWM_BB_ENABLE;
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fEnable = enable ? 1 : 0;
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hRgnBlur = IntPtr.Zero;
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fTransitionOnMaximized = 0;
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}
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public static DWM_BLURBEHIND Enable = new(true);
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public static DWM_BLURBEHIND Disable = new(false);
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public const int DWM_BB_ENABLE = 1;
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public const int DWM_BB_BLURREGION = 2;
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public const int DWM_BB_TRANSITIONONMAXIMIZED = 4;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_PRESENT_PARAMETERS
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{
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public int cbSize;
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public int fQueue;
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public long cRefreshStart;
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public int cBuffer;
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public int fUseSourceRate;
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public UNSIGNED_RATIO rateSource;
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public int cRefreshesPerFrame;
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public DWM_SOURCE_FRAME_SAMPLING eSampling;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_THUMBNAIL_PROPERTIES
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{
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public int dwFlags;
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public RECT rcDestination;
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public RECT rcSource;
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public byte opacity;
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public int fVisible;
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public int fSourceClientAreaOnly;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_TIMING_INFO
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{
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public int cbSize;
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public UNSIGNED_RATIO rateRefresh;
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public UNSIGNED_RATIO rateCompose;
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public long qpcVBlank;
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public long cRefresh;
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public long qpcCompose;
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public long cFrame;
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public long cRefreshFrame;
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public long cRefreshConfirmed;
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public int cFlipsOutstanding;
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public long cFrameCurrent;
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public long cFramesAvailable;
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public long cFrameCleared;
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public long cFramesReceived;
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public long cFramesDisplayed;
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public long cFramesDropped;
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public long cFramesMissed;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct UNSIGNED_RATIO
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{
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public int uiNumerator;
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public int uiDenominator;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct MARGINS
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{
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public int cxLeftWidth;
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public int cxRightWidth;
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public int cyTopHeight;
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public int cyBottomHeight;
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public MARGINS(int Left, int Right, int Top, int Bottom)
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{
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cxLeftWidth = Left;
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cxRightWidth = Right;
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cyTopHeight = Top;
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cyBottomHeight = Bottom;
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}
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct WTA_OPTIONS
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{
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public uint Flags;
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public uint Mask;
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}
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#endregion
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#region Enums
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public enum DWM_SOURCE_FRAME_SAMPLING
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{
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POINT,
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COVERAGE,
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LAST
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}
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public enum DWMNCRENDERINGPOLICY
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{
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DWMNCRP_USEWINDOWSTYLE,
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DWMNCRP_DISABLED,
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DWMNCRP_ENABLED
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}
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public enum DWMWINDOWATTRIBUTE
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{
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DWMWA_ALLOW_NCPAINT = 4,
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DWMWA_CAPTION_BUTTON_BOUNDS = 5,
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DWMWA_FLIP3D_POLICY = 8,
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DWMWA_FORCE_ICONIC_REPRESENTATION = 7,
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DWMWA_LAST = 9,
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DWMWA_NCRENDERING_ENABLED = 1,
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DWMWA_NCRENDERING_POLICY = 2,
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DWMWA_NONCLIENT_RTL_LAYOUT = 6,
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DWMWA_TRANSITIONS_FORCEDISABLED = 3
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}
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public enum WindowThemeAttributeType
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{
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WTA_NONCLIENT = 1
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}
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#endregion
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#region Fields
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public static uint WTNCA_NODRAWCAPTION = 0x1;
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public static uint WTNCA_NODRAWICON = 0x2;
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public static uint WTNCA_NOSYSMENU = 0x4;
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public static uint WTNCA_NOMIRRORHELP = 0x8;
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public const int DWM_BB_BLURREGION = 2;
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public const int DWM_BB_ENABLE = 1;
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public const int DWM_BB_TRANSITIONONMAXIMIZED = 4;
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public const string DWM_COMPOSED_EVENT_BASE_NAME = "DwmComposedEvent_";
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public const string DWM_COMPOSED_EVENT_NAME_FORMAT = "%s%d";
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public const int DWM_COMPOSED_EVENT_NAME_MAX_LENGTH = 0x40;
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public const int DWM_FRAME_DURATION_DEFAULT = -1;
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public const int DWM_TNP_OPACITY = 4;
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public const int DWM_TNP_RECTDESTINATION = 1;
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public const int DWM_TNP_RECTSOURCE = 2;
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public const int DWM_TNP_SOURCECLIENTAREAONLY = 0x10;
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public const int DWM_TNP_VISIBLE = 8;
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public static readonly bool DwmApiAvailable = Environment.OSVersion.Version.Major >= 6;
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public const int WM_DWMCOMPOSITIONCHANGED = 0x31e;
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#endregion
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#region API Calls
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[DllImport("dwmapi.dll")]
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public static extern int DwmDefWindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref IntPtr result);
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[DllImport("dwmapi.dll")]
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public static extern int DwmEnableComposition(int fEnable);
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[DllImport("dwmapi.dll")]
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public static extern int DwmEnableMMCSS(int fEnableMMCSS);
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[DllImport("dwmapi.dll")]
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public static extern int DwmExtendFrameIntoClientArea(IntPtr hdc, ref MARGINS marInset);
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[DllImport("dwmapi.dll")]
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public static extern int DwmGetColorizationColor(ref int pcrColorization, ref int pfOpaqueBlend);
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[DllImport("dwmapi.dll")]
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public static extern int DwmGetCompositionTimingInfo(IntPtr hwnd, ref DWM_TIMING_INFO pTimingInfo);
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[DllImport("dwmapi.dll")]
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public static extern int DwmGetWindowAttribute(IntPtr hwnd, int dwAttribute, IntPtr pvAttribute, int cbAttribute);
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[DllImport("dwmapi.dll")]
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public static extern int DwmIsCompositionEnabled(ref int pfEnabled);
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[DllImport("dwmapi.dll")]
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public static extern int DwmIsCompositionEnabled(out bool pfEnabled);
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[DllImport("dwmapi.dll")]
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public static extern int DwmModifyPreviousDxFrameDuration(IntPtr hwnd, int cRefreshes, int fRelative);
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[DllImport("dwmapi.dll")]
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public static extern int DwmQueryThumbnailSourceSize(IntPtr hThumbnail, ref Size pSize);
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[DllImport("dwmapi.dll")]
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public static extern int DwmRegisterThumbnail(IntPtr hwndDestination, IntPtr hwndSource, ref Size pMinimizedSize, ref IntPtr phThumbnailId);
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[DllImport("dwmapi.dll")]
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public static extern int DwmSetDxFrameDuration(IntPtr hwnd, int cRefreshes);
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[DllImport("dwmapi.dll")]
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public static extern int DwmSetPresentParameters(IntPtr hwnd, ref DWM_PRESENT_PARAMETERS pPresentParams);
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[DllImport("dwmapi.dll")]
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public static extern int DwmSetWindowAttribute(IntPtr hwnd, int dwAttribute, IntPtr pvAttribute, int cbAttribute);
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[DllImport("dwmapi.dll", PreserveSig = true)]
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public static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);
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[DllImport("dwmapi.dll")]
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public static extern int DwmUnregisterThumbnail(IntPtr hThumbnailId);
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[DllImport("dwmapi.dll")]
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public static extern int DwmUpdateThumbnailProperties(IntPtr hThumbnailId, ref DWM_THUMBNAIL_PROPERTIES ptnProperties);
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[DllImport("dwmapi.dll")]
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public static extern int DwmEnableBlurBehindWindow(IntPtr hWnd, ref DWM_BLURBEHIND pBlurBehind);
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[DllImport("uxtheme.dll")]
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public static extern int SetWindowThemeAttribute(IntPtr hWnd, WindowThemeAttributeType wtype, ref WTA_OPTIONS attributes, uint size);
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#endregion
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}
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#endregion
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}
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