AutoPatientInfoRecorder/src/AntdUI/Lib/Vanara/User32/WinUser.Cursor.cs

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// THIS FILE IS PART OF Vanara PROJECT
// THE Vanara PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MIT License.
// COPYRIGHT (C) dahall. ALL RIGHTS RESERVED.
// GITHUB: https://github.com/dahall/Vanara

using System;
using System.Runtime.InteropServices;

namespace Vanara.PInvoke
{
    public static partial class User32
    {
        /// <summary>
        /// <para>
        /// Confines the cursor to a rectangular area on the screen. If a subsequent cursor position (set by the SetCursorPos function or the
        /// mouse) lies outside the rectangle, the system automatically adjusts the position to keep the cursor inside the rectangular area.
        /// </para>
        /// </summary>
        /// <param name="lpRect">
        /// <para>Type: <c>const RECT*</c></para>
        /// <para>
        /// A pointer to the structure that contains the screen coordinates of the upper-left and lower-right corners of the confining
        /// rectangle. If this parameter is <c>NULL</c>, the cursor is free to move anywhere on the screen.
        /// </para>
        /// </param>
        /// <returns>
        /// <para>Type: <c>BOOL</c></para>
        /// <para>If the function succeeds, the return value is nonzero.</para>
        /// <para>If the function fails, the return value is zero. To get extended error information, call GetLastError.</para>
        /// </returns>
        /// <remarks>
        /// <para>
        /// The cursor is a shared resource. If an application confines the cursor, it must release the cursor by using <c>ClipCursor</c>
        /// before relinquishing control to another application.
        /// </para>
        /// <para>The calling process must have <c>WINSTA_WRITEATTRIBUTES</c> access to the window station.</para>
        /// <para>Examples</para>
        /// <para>For an example, see Confining a Cursor.</para>
        /// </remarks>
        // https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-clipcursor BOOL ClipCursor( CONST RECT *lpRect );
        [DllImport("user32.dll", SetLastError = true, ExactSpelling = true)]
        [PInvokeData("winuser.h", MSDNShortId = "clipcursor")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool ClipCursor(in RECT lpRect);

        /// <summary>
        /// <para>Creates a cursor having the specified size, bit patterns, and hot spot.</para>
        /// </summary>
        /// <param name="hInst">
        /// <para>Type: <c>HINSTANCE</c></para>
        /// <para>A handle to the current instance of the application creating the cursor.</para>
        /// </param>
        /// <param name="xHotSpot">
        /// <para>Type: <c>int</c></para>
        /// <para>The horizontal position of the cursor's hot spot.</para>
        /// </param>
        /// <param name="yHotSpot">
        /// <para>Type: <c>int</c></para>
        /// <para>The vertical position of the cursor's hot spot.</para>
        /// </param>