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最近在做Unity PC平台下特性功能调研,比如PC扫码登录和WinForm窗口闪烁。说到平台特性我们可以吧Unity看做一个可控制的视频,在Android上他是一个Activity,在iOS下他是一个view,而在PC下他就是WinForm所以对于有PC开发经验的人来说一些特性做起来就非常容易。
今天笔者分享下WinForm窗口闪烁例子如下:
代码的作用找到Unity主窗口句柄,设置起闪烁
需要注意的一点是要让Unity后台运行
设置方法在这里
代码:
using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Runtime.InteropServices; using UnityEngine; public class FlashWinTool{ public delegate bool WNDENUMPROC(IntPtr hwnd, uint lParam); [DllImport("user32.dll")] //闪烁窗体 public static extern bool FlashWindowEx(ref FLASHWINFO pwfi); [DllImport("user32.dll", SetLastError = true)] public static extern bool EnumWindows(WNDENUMPROC lpEnumFunc, uint lParam); [DllImport("user32.dll", SetLastError = true)] public static extern IntPtr GetParent(IntPtr hWnd); [DllImport("user32.dll")] public static extern uint GetWindowThreadProcessId(IntPtr hWnd, ref uint lpdwProcessId); [DllImport("kernel32.dll")] public static extern void SetLastError(uint dwErrCode); [StructLayout(LayoutKind.Sequential)] public struct FLASHWINFO { public UInt32 cbSize; public IntPtr hwnd; public UInt32 dwFlags; public UInt32 uCount; public UInt32 dwTimeout; } //闪烁窗体参数 public const UInt32 FLASHW_STOP = 0;//停止闪动.系统将窗体恢复到初始状态. public const UInt32 FLASHW_CAPTION = 1;//闪动窗体的标题. public const UInt32 FLASHW_TRAY = 2;//闪动任务栏按钮 public const UInt32 FLASHW_ALL = 3;//闪动窗体标题和任务栏按钮 public const UInt32 FLASHW_TIMER = 4;//连续不停的闪动,直到此参数被设置为:FLASHW_STOP public const UInt32 FLASHW_TIMERNOFG = 12;//连续不停的闪动,直到窗体用户被激活.通常用法将参数设置为: FLASHW_ALL | FLASHW_TIMERNOFG /// <summary> /// 窗口闪烁 /// </summary> /// <param name="handle">窗口句柄</param> public static void FlashWindow(IntPtr handle) { FLASHWINFO fInfo = new FLASHWINFO(); fInfo.cbSize = Convert.ToUInt32(System.Runtime.InteropServices.Marshal.SizeOf(fInfo)); fInfo.hwnd = handle; fInfo.dwFlags = FLASHW_ALL | FLASHW_TIMERNOFG;//这里是闪动窗标题和任务栏按钮,直到用户激活窗体 fInfo.uCount = UInt32.MaxValue; fInfo.dwTimeout = 0; FlashWindowEx(ref fInfo); } /// <summary> /// 获取窗口句柄 /// </summary> /// <returns>窗口句柄</returns> public static IntPtr GetProcessWnd() { IntPtr ptrWnd = IntPtr.Zero; uint pid = (uint)Process.GetCurrentProcess().Id; // 当前进程 ID bool bResult = EnumWindows(new WNDENUMPROC(delegate (IntPtr hwnd, uint lParam) { uint id = 0; if (GetParent(hwnd) == IntPtr.Zero) { GetWindowThreadProcessId(hwnd, ref id); if (id == lParam) // 找到进程对应的主窗口句柄 { ptrWnd = hwnd; // 把句柄缓存起来 SetLastError(0); // 设置无错误 return false; // 返回 false 以终止枚举窗口 } } return true; }), pid); return (!bResult && Marshal.GetLastWin32Error() == 0) ? ptrWnd : IntPtr.Zero; } } ———————————————— 版权声明:本文为CSDN博主「滕云麒麟」的原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接及本声明。 原文链接:https://blog.csdn.net/tj134679258/article/details/79186978