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2026-09-07 08:07:08 +08:00
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JinYuan.ControlLib.UCHelper
+{
+    /// <summary>
+    /// Win32
+    /// </summary>
+    public static class NativeMethods
+    {
+        #region 消息
+
+        public const int WM_USER = 0x0400;//用户自定义消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSEENTER = NativeMethods.WM_USER + 10;// DropDrowListPlus MouseEnter消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSELEAVE = NativeMethods.WM_USER + 11;// DropDrowListPlus MouseLeave消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSEDOWN = NativeMethods.WM_USER + 12;// DropDrowListPlus MouseDown消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSEUP = NativeMethods.WM_USER + 13;// DropDrowListPlus MouseUp消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSEMOVE = NativeMethods.WM_USER + 14;// DropDrowListPlus MouseMove消息
+        public const int WM_USER_DROPDROWLISTPLUS_CLOSED = NativeMethods.WM_USER + 15;// DropDrowListPlus 下拉面板Closed消息
+        public const int WM_USER_DROPDROWLISTPLUS_MOUSEWHEEL = NativeMethods.WM_USER + 16;// DropDrowListPlus 下拉面板MouseWheel消息
+        public const int WM_USER_DROPDROWLISTPLUS_PAINT = NativeMethods.WM_USER + 17;// DropDrowListPlus 下拉面板Paint消息
+
+
+        public const int LOGPIXELSX = 88;
+        public const int LOGPIXELSY = 90;
+
+        #endregion
+
+        #region 结构
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct RECT
+        {
+            public int left;
+            public int top;
+            public int right;
+            public int bottom;
+
+            public RECT(int left, int top, int right, int bottom)
+            {
+                this.left = left;
+                this.top = top;
+                this.right = right;
+                this.bottom = bottom;
+            }
+
+            public RECT(System.Drawing.Rectangle r)
+            {
+                this.left = r.Left;
+                this.top = r.Top;
+                this.right = r.Right;
+                this.bottom = r.Bottom;
+            }
+
+            public static RECT FromXYWH(int x, int y, int width, int height)
+            {
+                return new RECT(x, y, x + width, y + height);
+            }
+
+            public System.Drawing.Size Size
+            {
+                get
+                {
+                    return new System.Drawing.Size(this.right - this.left, this.bottom - this.top);
+                }
+            }
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public class POINT
+        {
+            public int x;
+            public int y;
+
+            public POINT()
+            {
+            }
+
+            public POINT(int x, int y)
+            {
+                this.x = x;
+                this.y = y;
+            }
+
+        }
+
+        #endregion
+
+        #region 扩展
+
+        [DllImport("User32.dll", EntryPoint = "GetWindowLong", CharSet = CharSet.Auto)]
+        public static extern IntPtr GetWindowLong32(IntPtr hWnd, int nIndex);
+
+        [DllImport("User32.dll", EntryPoint = "GetWindowLongPtr", CharSet = CharSet.Auto)]
+        public static extern IntPtr GetWindowLongPtr64(IntPtr hWnd, int nIndex);
+
+        public static IntPtr GetWindowLong(IntPtr hWnd, int nIndex)
+        {
+            if (IntPtr.Size == 4)
+            {
+                return GetWindowLong32(hWnd, nIndex);
+            }
+            return GetWindowLongPtr64(hWnd, nIndex);
+        }
+
+        [DllImport("User32.dll", EntryPoint = "SetWindowLong", CharSet = CharSet.Auto)]
+        public static extern IntPtr SetWindowLongPtr32(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
+
+        [DllImport("User32.dll", EntryPoint = "SetWindowLongPtr", CharSet = CharSet.Auto)]
+        public static extern IntPtr SetWindowLongPtr64(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
+
+        public static IntPtr SetWindowLong(IntPtr hWnd, int nIndex, IntPtr dwNewLong)
+        {
+            if (IntPtr.Size == 4)
+            {
+                return SetWindowLongPtr32(hWnd, nIndex, dwNewLong);
+            }
+            return SetWindowLongPtr64(hWnd, nIndex, dwNewLong);
+        }
+
+        [DllImport("User32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
+        public static extern IntPtr PostMessage(IntPtr hWnd, int msg, int wParam, int lParam);
+
+        [DllImport("User32.dll", CharSet = CharSet.Auto)]
+        public static extern IntPtr PostMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam);
+
+        [DllImport("User32.dll", EntryPoint = "SendMessage")]
+        public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, int lParam);
+
+        [DllImport("User32.dll", EntryPoint = "SendMessage")]
+        public static extern int SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("User32.dll", ExactSpelling = true, SetLastError = true)]
+        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
+
+        /// <summary>
+        /// 检索指定窗口的边界矩形的尺寸。 尺寸以相对于屏幕左上角的屏幕坐标提供。
+        /// </summary>
+        /// <param name="hWnd">窗口的句柄</param>
+        /// <param name="rect">指向 RECT 结构的指针，用于接收窗口左上角和右下角的屏幕坐标</param>
+        /// <returns></returns>
+        [DllImport("User32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
+        public static extern bool GetWindowRect(IntPtr hWnd, [In, Out] ref RECT rect);
+
+        /// <summary>
+        /// 激活指定窗口
+        /// </summary>
+        /// <param name="hWnd">窗口的句柄</param>
+        /// <returns></returns>
+        [DllImport("User32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
+        public static extern IntPtr SetActiveWindow(IntPtr hWnd);
+
+        [DllImport("User32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
+        public static extern bool IsWindowVisible(IntPtr hWnd);
+
+
+
+        /// <summary>
+        /// 获得的设备环境覆盖了整个窗口（包括非客户区）
+        /// </summary>
+        /// <param name="hwnd"></param>
+        /// <returns></returns>
+        [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
+        public static extern IntPtr GetWindowDC(IntPtr hwnd);
+
+        /// <summary>
+        /// 用于获得hWnd参数所指定窗口的客户区域的一个设备环境
+        /// </summary>
+        /// <param name="ptr"></param>
+        /// <returns></returns>
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetDC(IntPtr ptr);
+
+        [DllImport("User32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
+        public static extern int ReleaseDC(IntPtr hWnd, IntPtr hdc);
+
+
+
+        /// <summary>
+        /// DPI的缩放由程序自己处理
+        /// </summary>
+        /// <returns></returns>
+        [DllImport("user32.dll")]
+        public static extern bool SetProcessDPIAware();
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetDesktopWindow();
+
+        [DllImport("gdi32.dll")]
+        public static extern int GetDeviceCaps(IntPtr hdc, int nIndex);
+
+
+
+        public static int MAKELONG(int low, int high)
+        {
+            return (high << 16) | (low & 0xffff);
+        }
+
+        public static IntPtr MAKELPARAM(int low, int high)
+        {
+            return (IntPtr)((high << 16) | (low & 0xffff));
+        }
+
+        /// <summary>
+        /// 高16位（无符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int HIWORD(IntPtr n)
+        {
+            return HIWORD(unchecked((int)(long)n));
+        }
+        /// <summary>
+        /// 高16位（无符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int HIWORD(int n)
+        {
+            return (n >> 16) & 0xffff;
+        }
+
+        /// <summary>
+        /// 低16位（无符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int LOWORD(IntPtr n)
+        {
+            return LOWORD(unchecked((int)(long)n));
+        }
+        /// <summary>
+        /// 低16位（无符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int LOWORD(int n)
+        {
+            return n & 0xffff;
+        }
+
+        /// <summary>
+        /// 高16位（有符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int SignedHIWORD(IntPtr n)
+        {
+            return SignedHIWORD(unchecked((int)(long)n));
+        }
+        /// <summary>
+        /// 高16位（有符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int SignedHIWORD(int n)
+        {
+            return (int)(short)((n >> 16) & 0xffff);
+        }
+
+        /// <summary>
+        /// 低16位（有符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int SignedLOWORD(IntPtr n)
+        {
+            return SignedLOWORD(unchecked((int)(long)n));
+        }
+        /// <summary>
+        /// 低16位（有符号）
+        /// </summary>
+        /// <param name="n"></param>
+        /// <returns></returns>
+        public static int SignedLOWORD(int n)
+        {
+            return (int)(short)(n & 0xFFFF);
+        }
+
+
+
+
+        /// <summary>
+        /// 结构转指针
+        /// </summary>
+        /// <typeparam name="T">结构类型</typeparam>
+        /// <param name="info"></param>
+        /// <returns></returns>
+        public static IntPtr StructToIntPtr<T>(T info)
+        {
+            int size = Marshal.SizeOf(info);
+            IntPtr intPtr = Marshal.AllocHGlobal(size);
+            Marshal.StructureToPtr(info, intPtr, true);
+            return intPtr;
+        }
+
+        /// <summary>
+        /// 指针转结构
+        /// </summary>
+        /// <typeparam name="T">结构类型</typeparam>
+        /// <param name="info"></param>
+        /// <returns></returns>
+        public static T IntPtrToStruct<T>(IntPtr info)
+        {
+            return (T)Marshal.PtrToStructure(info, typeof(T));
+        }
+
+
+
+        #endregion
+    }
+}