using System;
using System.Runtime.InteropServices;

namespace StudySln
{

    public class Win32API
    {

        /// <summary>
        /// 获取指定窗口（或控件）在屏幕中的位置信息 （左边界，上边界，右边界，下边界）
        /// </summary>
        /// <param name="hWnd"></param>
        /// <param name="lpRect"></param>
        /// <returns></returns>
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public extern static bool GetWindowRect(IntPtr hWnd, ref RECT_INFO lpRect);

    }


    /// <summary>
    /// 矩形范围信息（结构体）
    /// </summary>
    [StructLayout(LayoutKind.Sequential)]
    public struct RECT_INFO
    {
        /// <summary>
        /// 当前矩形范围的最左边界
        /// </summary>
        public int Left;
        /// <summary>
        /// 当前矩形的最上边界
        /// </summary>
        public int Top;
        /// <summary>
        /// 当前矩形的最右边界
        /// </summary>
        public int Right;
        /// <summary>
        /// 当前矩形的最下边界
        /// </summary>
        public int Bottom;
    }
    
}