Stop All Taskbar Button Flashing

Return to DisplayFusion Scripted Functions (Macros)

Description	Stops all the taskbar buttons from flashing on all taskbars.
Language	C# (.Net)
Minimum Version	7.0.0+
Created By	Nukem
Contributors	-
Date Created	Dec 26, 2014
Date Last Modified	Dec 26, 2014

Scripted Function (Macro) Code

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using System; using System.Drawing; using System.Runtime.InteropServices; // The 'windowHandle' parameter will contain the window handle for the: // - Active window when run by hotkey // - Window Location target when run by a Window Location rule // - TitleBar Button owner when run by a TitleBar Button // - Jump List owner when run from a Taskbar Jump List // - Currently focused window if none of these match public static class DisplayFusionFunction { public static void Run(IntPtr windowHandle) { ScriptHelper.EnumWindows(EnumWindowsCallback); } public static bool EnumWindowsCallback(IntPtr windowHandle, IntPtr lParam) { ScriptHelper.DisableWindowFlash(windowHandle); return true; } } public static class ScriptHelper { public delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam); [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool EnumWindows(EnumWindowsProc enumProc, IntPtr lParam); [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool FlashWindowEx(ref FLASHWINFO pwfi); //Stop flashing. The system restores the window to its original state. public const UInt32 FLASHW_STOP = 0; [StructLayout(LayoutKind.Sequential)] private struct FLASHWINFO { public UInt32 cbSize; public IntPtr hwnd; public UInt32 dwFlags; public UInt32 uCount; public UInt32 dwTimeout; } public static bool EnumWindows(EnumWindowsProc enumProc) { return EnumWindows(enumProc, IntPtr.Zero); } public static bool DisableWindowFlash(IntPtr windowHandle) { FLASHWINFO fInfo = new FLASHWINFO(); fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo)); fInfo.hwnd = windowHandle; fInfo.dwFlags = FLASHW_STOP; fInfo.uCount = 0; fInfo.dwTimeout = 0; return FlashWindowEx(ref fInfo); } }