add preview handler
This commit is contained in:
@ -7,7 +7,29 @@ namespace ShellExtensions.Interop
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{
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internal static class HandlerNativeMethods
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{
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#if PREVIEW_HANDLER
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[DllImport("user32.dll")]
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internal static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
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[DllImport("user32.dll")]
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internal static extern IntPtr GetFocus();
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[DllImport("user32.dll")]
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internal static extern void SetWindowPos(
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IntPtr hWnd,
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IntPtr hWndInsertAfter,
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int x,
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int y,
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int cx,
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int cy,
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SetWindowPositionOptions flags);
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internal static readonly Guid IPreviewHandlerGuid = new Guid("8895b1c6-b41f-4c1c-a562-0d564250836f");
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#endif
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#if THUMBNAIL
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internal static readonly Guid IThumbnailProviderGuid = new Guid("e357fccd-a995-4576-b01f-234630154e96");
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#endif
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internal static readonly Guid IInitializeWithFileGuid = new Guid("b7d14566-0509-4cce-a71f-0a554233bd9b");
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internal static readonly Guid IInitializeWithStreamGuid = new Guid("b824b49d-22ac-4161-ac8a-9916e8fa3f7f");
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@ -16,25 +38,6 @@ namespace ShellExtensions.Interop
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internal static readonly Guid IMarshalGuid = new Guid("00000003-0000-0000-C000-000000000046");
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}
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#region Interfaces
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/// <summary>
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/// ComVisible interface for native IThumbnailProvider
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/// </summary>
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[ComImport]
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[Guid("e357fccd-a995-4576-b01f-234630154e96")]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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interface IThumbnailProvider
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{
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/// <summary>
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/// Gets a pointer to a bitmap to display as a thumbnail
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/// </summary>
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/// <param name="squareLength"></param>
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/// <param name="bitmapHandle"></param>
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/// <param name="bitmapType"></param>
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void GetThumbnail(uint squareLength, [Out] out IntPtr bitmapHandle, [Out] out uint bitmapType);
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}
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/// <summary>
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/// Provides means by which to initialize with a file.
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/// </summary>
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@ -67,6 +70,26 @@ namespace ShellExtensions.Interop
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void Initialize(IStream stream, AccessModes fileMode);
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}
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#if THUMBNAIL
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#region Interfaces
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/// <summary>
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/// ComVisible interface for native IThumbnailProvider
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/// </summary>
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[ComImport]
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[Guid("e357fccd-a995-4576-b01f-234630154e96")]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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interface IThumbnailProvider
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{
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/// <summary>
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/// Gets a pointer to a bitmap to display as a thumbnail
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/// </summary>
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/// <param name="squareLength"></param>
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/// <param name="bitmapHandle"></param>
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/// <param name="bitmapType"></param>
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void GetThumbnail(uint squareLength, [Out] out IntPtr bitmapHandle, [Out] out uint bitmapType);
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}
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#endregion
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// <summary>
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@ -89,4 +112,178 @@ namespace ShellExtensions.Interop
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/// </summary>
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HasAlphaChannel = 2,
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}
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#endif
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#if PREVIEW_HANDLER
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[ComImport]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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[Guid("fc4801a3-2ba9-11cf-a229-00aa003d7352")]
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interface IObjectWithSite
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{
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void SetSite([In, MarshalAs(UnmanagedType.IUnknown)] object pUnkSite);
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void GetSite(ref Guid riid, [MarshalAs(UnmanagedType.IUnknown)] out object ppvSite);
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}
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[ComImport]
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[Guid("00000114-0000-0000-C000-000000000046")]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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interface IOleWindow
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{
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void GetWindow(out IntPtr phwnd);
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void ContextSensitiveHelp([MarshalAs(UnmanagedType.Bool)] bool fEnterMode);
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}
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[ComImport]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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[Guid("8895b1c6-b41f-4c1c-a562-0d564250836f")]
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interface IPreviewHandler
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{
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void SetWindow(IntPtr hwnd, ref NativeRect rect);
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void SetRect(ref NativeRect rect);
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void DoPreview();
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void Unload();
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void SetFocus();
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void QueryFocus(out IntPtr phwnd);
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[PreserveSig]
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HResult TranslateAccelerator(ref Message pmsg);
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}
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[ComImport]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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[Guid("fec87aaf-35f9-447a-adb7-20234491401a")]
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interface IPreviewHandlerFrame
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{
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void GetWindowContext(IntPtr pinfo);
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[PreserveSig]
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HResult TranslateAccelerator(ref Message pmsg);
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}
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[ComImport]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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[Guid("8327b13c-b63f-4b24-9b8a-d010dcc3f599")]
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interface IPreviewHandlerVisuals
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{
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void SetBackgroundColor(NativeColorRef color);
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void SetFont(ref LogFont plf);
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void SetTextColor(NativeColorRef color);
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}
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#region Structs
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/// <summary>
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/// Class for marshaling to native LogFont struct
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/// </summary>
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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public class LogFont
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{
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/// <summary>
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/// Font height
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/// </summary>
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public int Height { get; set; }
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/// <summary>
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/// Font width
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/// </summary>
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public int Width { get; set; }
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/// <summary>
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/// Font escapement
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/// </summary>
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public int Escapement { get; set; }
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/// <summary>
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/// Font orientation
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/// </summary>
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public int Orientation { get; set; }
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/// <summary>
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/// Font weight
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/// </summary>
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public int Weight { get; set; }
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/// <summary>
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/// Font italic
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/// </summary>
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public byte Italic { get; set; }
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/// <summary>
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/// Font underline
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/// </summary>
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public byte Underline { get; set; }
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/// <summary>
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/// Font strikeout
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/// </summary>
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public byte Strikeout { get; set; }
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/// <summary>
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/// Font character set
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/// </summary>
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public byte CharacterSet { get; set; }
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/// <summary>
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/// Font out precision
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/// </summary>
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public byte OutPrecision { get; set; }
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/// <summary>
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/// Font clip precision
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/// </summary>
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public byte ClipPrecision { get; set; }
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/// <summary>
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/// Font quality
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/// </summary>
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public byte Quality { get; set; }
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/// <summary>
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/// Font pitch and family
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/// </summary>
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public byte PitchAndFamily { get; set; }
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
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private string faceName = string.Empty;
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/// <summary>
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/// Font face name
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/// </summary>
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public string FaceName { get => faceName; set => faceName = value; }
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}
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[StructLayout(LayoutKind.Sequential)]
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internal struct NativeColorRef
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{
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public uint Dword { get; set; }
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}
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#endregion
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[Flags]
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internal enum SetWindowPositionOptions
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{
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AsyncWindowPos = 0x4000,
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DeferErase = 0x2000,
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DrawFrame = FrameChanged,
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FrameChanged = 0x0020, // The frame changed: send WM_NCCALCSIZE
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HideWindow = 0x0080,
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NoActivate = 0x0010,
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CoCopyBits = 0x0100,
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NoMove = 0x0002,
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NoOwnerZOrder = 0x0200, // Don't do owner Z ordering
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NoRedraw = 0x0008,
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NoResposition = NoOwnerZOrder,
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NoSendChanging = 0x0400, // Don't send WM_WINDOWPOSCHANGING
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NoSize = 0x0001,
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NoZOrder = 0x0004,
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ShowWindow = 0x0040
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}
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internal enum SetWindowPositionInsertAfter
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{
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NoTopMost = -2,
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TopMost = -1,
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Top = 0,
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Bottom = 1
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}
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#endif
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}
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