70 lines
1.9 KiB
C#
70 lines
1.9 KiB
C#
using System;
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using System.Runtime.InteropServices;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace ANX.RenderSystem.GL3.Helpers
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{
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internal static class WindowsInterop
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{
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#region RECT (Helper struct)
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[StructLayout(LayoutKind.Sequential)]
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private struct RECT
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{
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/// <summary>
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/// X position of upper-left corner.
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/// </summary>
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public int Left;
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/// <summary>
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/// Y position of upper-left corner.
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/// </summary>
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public int Top;
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/// <summary>
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/// X position of lower-right corner.
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/// </summary>
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public int Right;
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/// <summary>
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/// Y position of lower-right corner.
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/// </summary>
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public int Bottom;
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}
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#endregion
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#region Invokes
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[DllImport("user32.dll")]
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private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter,
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int x, int y, int width, int height, uint uFlags);
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static extern bool GetClientRect(IntPtr hWnd, out RECT lpRect);
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#endregion
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#region ResizeWindow
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public static void ResizeWindow(IntPtr windowHandle, int backBufferWidth,
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int backBufferHeight)
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{
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RECT windowRect;
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RECT clientRect;
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if (GetWindowRect(windowHandle, out windowRect) &&
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GetClientRect(windowHandle, out clientRect))
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{
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int width = backBufferWidth + (windowRect.Right - windowRect.Left) -
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clientRect.Right;
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int height = backBufferHeight + (windowRect.Bottom - windowRect.Top) -
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clientRect.Bottom;
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SetWindowPos(windowHandle, IntPtr.Zero, windowRect.Left, windowRect.Top,
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width, height, 0);
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}
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}
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#endregion
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}
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}
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