// THIS FILE IS PART OF Vanara PROJECT
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// THE Vanara PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MIT License.
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// COPYRIGHT (C) dahall. ALL RIGHTS RESERVED.
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// GITHUB: https://github.com/dahall/Vanara
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using System.Runtime.InteropServices;
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namespace Vanara.PInvoke
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{
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/// <summary>User32.dll function with GDI params.</summary>
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public static partial class User32
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{
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/// <summary>Values to use a return codes when handling the WM_HCHITTEST message.</summary>
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public enum HitTestValues : short
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{
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/// <summary>In the border of a window that does not have a sizing border.</summary>
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HTBORDER = 18,
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/// <summary>In the lower-horizontal border of a resizable window (the user can click the mouse to resize the window vertically).</summary>
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HTBOTTOM = 15,
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/// <summary>
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/// In the lower-left corner of a border of a resizable window (the user can click the mouse to resize the window diagonally).
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/// </summary>
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HTBOTTOMLEFT = 16,
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/// <summary>
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/// In the lower-right corner of a border of a resizable window (the user can click the mouse to resize the window diagonally).
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/// </summary>
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HTBOTTOMRIGHT = 17,
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/// <summary>In a title bar.</summary>
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HTCAPTION = 2,
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/// <summary>In a client area.</summary>
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HTCLIENT = 1,
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/// <summary>In a Close button.</summary>
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HTCLOSE = 20,
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/// <summary>
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/// On the screen background or on a dividing line between windows (same as HTNOWHERE, except that the DefWindowProc function
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/// produces a system beep to indicate an error).
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/// </summary>
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HTERROR = -2,
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/// <summary>In a size box (same as HTSIZE).</summary>
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HTGROWBOX = 4,
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/// <summary>In a Help button.</summary>
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HTHELP = 21,
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/// <summary>In a horizontal scroll bar.</summary>
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HTHSCROLL = 6,
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/// <summary>In the left border of a resizable window (the user can click the mouse to resize the window horizontally).</summary>
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HTLEFT = 10,
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/// <summary>In a menu.</summary>
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HTMENU = 5,
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/// <summary>In a Maximize button.</summary>
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HTMAXBUTTON = 9,
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/// <summary>In a Minimize button.</summary>
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HTMINBUTTON = 8,
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/// <summary>On the screen background or on a dividing line between windows.</summary>
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HTNOWHERE = 0,
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/* /// <summary>Not implemented.</summary>
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HTOBJECT = 19, */
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/// <summary>In a Minimize button.</summary>
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HTREDUCE = HTMINBUTTON,
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/// <summary>In the right border of a resizable window (the user can click the mouse to resize the window horizontally).</summary>
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HTRIGHT = 11,
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/// <summary>In a size box (same as HTGROWBOX).</summary>
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HTSIZE = HTGROWBOX,
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/// <summary>In a window menu or in a Close button in a child window.</summary>
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HTSYSMENU = 3,
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/// <summary>In the upper-horizontal border of a window.</summary>
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HTTOP = 12,
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/// <summary>In the upper-left corner of a window border.</summary>
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HTTOPLEFT = 13,
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/// <summary>In the upper-right corner of a window border.</summary>
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HTTOPRIGHT = 14,
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/// <summary>
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/// In a window currently covered by another window in the same thread (the message will be sent to underlying windows in the
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/// same thread until one of them returns a code that is not HTTRANSPARENT).
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/// </summary>
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HTTRANSPARENT = -1,
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/// <summary>In the vertical scroll bar.</summary>
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HTVSCROLL = 7,
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/// <summary>In a Maximize button.</summary>
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HTZOOM = HTMAXBUTTON,
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}
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/// <summary>Contains information about the size and position of a window.</summary>
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[StructLayout(LayoutKind.Sequential)]
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public struct WINDOWPOS
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{
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/// <summary>A handle to the window.</summary>
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public HWND hwnd;
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/// <summary>
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/// The position of the window in Z order (front-to-back position). This member can be a handle to the window behind which this
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/// window is placed, or can be one of the special values listed with the SetWindowPos function.
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/// </summary>
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public HWND hwndInsertAfter;
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/// <summary>The position of the left edge of the window.</summary>
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public int x;
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/// <summary>The position of the top edge of the window.</summary>
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public int y;
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/// <summary>The window width, in pixels.</summary>
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public int cx;
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/// <summary>The window height, in pixels.</summary>
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public int cy;
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/// <summary>The window position. This member can be one or more of the following values.</summary>
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public SetWindowPosFlags flags;
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}
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}
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}
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