AutoPatientInfoRecorder/src/AntdUI/Lib/Vanara/User32/WinUser.Message.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;
using System.Text;

namespace Vanara.PInvoke
{
    public static partial class User32
    {
        /// <summary>
        /// <para>Retrieves the cursor position for the last message retrieved by the GetMessage function.</para>
        /// <para>To determine the current position of the cursor, use the GetCursorPos function.</para>
        /// </summary>
        /// <returns>
        /// <para>Type: <c>Type: <c>DWORD</c></c></para>
        /// <para>
        /// The return value specifies the x- and y-coordinates of the cursor position. The x-coordinate is the low order <c>short</c> and
        /// the y-coordinate is the high-order <c>short</c>.
        /// </para>
        /// </returns>
        /// <remarks>
        /// <para>
        /// As noted above, the x-coordinate is in the low-order <c>short</c> of the return value; the y-coordinate is in the high-order
        /// <c>short</c> (both represent signed values because they can take negative values on systems with multiple monitors). If the
        /// return value is assigned to a variable, you can use the MAKEPOINTS macro to obtain a POINTS structure from the return value. You
        /// can also use the GET_X_LPARAM or GET_Y_LPARAM macro to extract the x- or y-coordinate.
        /// </para>
        /// <para>
        /// <c>Important</c> Do not use the LOWORD or HIWORD macros to extract the x- and y- coordinates of the cursor position because these
        /// macros return incorrect results on systems with multiple monitors. Systems with multiple monitors can have negative x- and y-
        /// coordinates, and <c>LOWORD</c> and <c>HIWORD</c> treat the coordinates as unsigned quantities.
        /// </para>
        /// </remarks>
        // https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getmessagepos DWORD GetMessagePos( );
        [DllImport("user32.dll", SetLastError = false, ExactSpelling = true)]
        [PInvokeData("winuser.h")]
        public static extern uint GetMessagePos();

        /// <summary>
        /// <para>
        /// Places (posts) a message in the message queue associated with the thread that created the specified window and returns without
        /// waiting for the thread to process the message.
        /// </para>
        /// <para>To post a message in the message queue associated with a thread, use the PostThreadMessage function.</para>
        /// </summary>
        /// <param name="hWnd">
        /// <para>Type: <c>HWND</c></para>
        /// <para>A handle to the window whose window procedure is to receive the message. The following values have special meanings.</para>
        /// <list type="table">
        /// <listheader>
        /// <term>Value</term>
        /// <term>Meaning</term>
        /// </listheader>
        /// <item>
        /// <term>HWND_BROADCAST ((HWND)0xffff)</term>
        /// <term>