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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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namespace Aga.Controls.Tree
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{
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internal static class NativeMethods
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{
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public const int DCX_WINDOW = 0x01;
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public const int DCX_CACHE = 0x02;
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public const int DCX_NORESETATTRS = 0x04;
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public const int DCX_CLIPCHILDREN = 0x08;
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public const int DCX_CLIPSIBLINGS = 0x10;
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public const int DCX_PARENTCLIP = 0x20;
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public const int DCX_EXCLUDERGN = 0x40;
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public const int DCX_INTERSECTRGN = 0x80;
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public const int DCX_EXCLUDEUPDATE = 0x100;
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public const int DCX_INTERSECTUPDATE = 0x200;
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public const int DCX_LOCKWINDOWUPDATE = 0x400;
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public const int DCX_VALIDATE = 0x200000;
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public const int WM_THEMECHANGED = 0x031A;
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public const int WM_NCPAINT = 0x85;
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public const int WM_NCCALCSIZE = 0x83;
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public const int WS_BORDER = 0x800000;
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public const int WS_EX_CLIENTEDGE = 0x200;
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public const int WVR_HREDRAW = 0x100;
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public const int WVR_VREDRAW = 0x200;
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public const int WVR_REDRAW = (WVR_HREDRAW | WVR_VREDRAW);
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[StructLayout(LayoutKind.Sequential)]
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public struct NCCALCSIZE_PARAMS
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{
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public RECT rgrc0, rgrc1, rgrc2;
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public IntPtr lppos;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct RECT
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{
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public int Left;
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public int Top;
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public int Right;
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public int Bottom;
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public static RECT FromRectangle(Rectangle rectangle)
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{
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RECT result = new RECT();
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result.Left = rectangle.Left;
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result.Top = rectangle.Top;
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result.Right = rectangle.Right;
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result.Bottom = rectangle.Bottom;
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return result;
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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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}
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[DllImport("user32.dll", SetLastError = true)]
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public static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hrgnClip, int flags);
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[DllImport("user32.dll")]
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public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);
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[DllImport("user32.dll")]
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public static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
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}
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}
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