diff --git a/Ink Canvas/Helpers/ForegroundWindowInfo.cs b/Ink Canvas/Helpers/ForegroundWindowInfo.cs index 6926a610..8759468a 100644 --- a/Ink Canvas/Helpers/ForegroundWindowInfo.cs +++ b/Ink Canvas/Helpers/ForegroundWindowInfo.cs @@ -36,6 +36,24 @@ namespace Ink_Canvas.Helpers public int Height => Bottom - Top; } + [StructLayout(LayoutKind.Sequential)] + private struct MONITORINFO + { + public uint cbSize; + public RECT rcMonitor; + public RECT rcWork; + public uint dwFlags; + } + + [DllImport("user32.dll")] + private static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFO lpmi); + + [DllImport("user32.dll")] + private static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags); + + [DllImport("user32.dll")] + private static extern IntPtr MonitorFromRect(ref RECT lprc, uint dwFlags); + public static string WindowTitle() { IntPtr foregroundWindowHandle = GetForegroundWindow(); @@ -106,10 +124,28 @@ namespace Ink_Canvas.Helpers public static double GetTaskbarHeight(Screen screen, double dpiScaleY) { - // 获取工作区和屏幕高度的差值 - var workingArea = screen.WorkingArea; - var bounds = screen.Bounds; - int taskbarHeight = bounds.Height - workingArea.Height; + // 创建RECT结构体表示屏幕边界 + RECT screenRect = new RECT + { + Left = screen.Bounds.Left, + Top = screen.Bounds.Top, + Right = screen.Bounds.Right, + Bottom = screen.Bounds.Bottom + }; + + // 获取屏幕句柄 + const uint MONITOR_DEFAULTTONEAREST = 0x00000002; + IntPtr hMonitor = MonitorFromRect(ref screenRect, MONITOR_DEFAULTTONEAREST); + + // 初始化MONITORINFO结构体 + MONITORINFO monitorInfo = new MONITORINFO(); + monitorInfo.cbSize = (uint)Marshal.SizeOf(typeof(MONITORINFO)); + + // 获取监视器信息 + GetMonitorInfo(hMonitor, ref monitorInfo); + + // 计算任务栏高度:monitorInfo.rcMonitor.bottom减去monitorInfo.rcWork.bottom的值 + int taskbarHeight = monitorInfo.rcMonitor.Bottom - monitorInfo.rcWork.Bottom; // 考虑 DPI 缩放 return taskbarHeight / dpiScaleY; }