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How to use SetLayeredWindowAttributes method of FlaUI.Core.WindowsAPI.User32 class

Best FlaUI code snippet using FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes

Window.cs

Source:Window.cs

...132            if (User32.SetWindowLong(Properties.NativeWindowHandle, WindowLongParam.GWL_EXSTYLE, WindowStyles.WS_EX_LAYERED) == 0)133            {134                throw new Win32Exception(Marshal.GetLastWin32Error());135            }136            if (!User32.SetLayeredWindowAttributes(Properties.NativeWindowHandle, 0, alpha, LayeredWindowAttributes.LWA_ALPHA))137            {138                throw new Win32Exception(Marshal.GetLastWin32Error());139            }140        }141        /// <summary>142        /// Gets the main window (first window on desktop with the same process as this window).143        /// </summary>144        private Window GetMainWindow()145        {146            if (IsMainWindow)147            {148                return this;149            }150            var mainWindow = Automation.GetDesktop().FindFirstChild(cf => cf.ByProcessId(Properties.ProcessId.Value)).AsWindow();...

SetLayeredWindowAttributes

Using AI Code Generation

1using System;2using System.Drawing;3using System.Windows.Forms;4using FlaUI.Core.WindowsAPI;5{6    {7        public Form1()8        {9            InitializeComponent();10        }11        private void button1_Click(object sender, EventArgs e)12        {13            int i = 0;14            while (i < 255)15            {16                User32.SetLayeredWindowAttributes(this.Handle, 0, (byte)i, User32.LWA_ALPHA);17                i = i + 5;18            }19        }20    }21}22using System;23using System.Drawing;24using System.Windows.Forms;25using FlaUI.Core.WindowsAPI;26{27    {28        public Form1()29        {30            InitializeComponent();31        }32        private void button1_Click(object sender, EventArgs e)33        {34            int i = 0;35            while (i < 255)36            {37                User32.SetLayeredWindowAttributes(this.Handle, 0, (byte)i, User32.LWA_ALPHA);38                i = i + 5;39            }40        }41    }42}43using System;44using System.Drawing;45using System.Windows.Forms;46using FlaUI.Core.WindowsAPI;47{48    {49        public Form1()50        {51            InitializeComponent();52        }53        private void button1_Click(object sender, EventArgs e)54        {55            int i = 0;56            while (i < 255)57            {58                User32.SetLayeredWindowAttributes(this.Handle, 0, (byte)i, User32.LWA_ALPHA);59                i = i + 5;60            }61        }62    }63}64using System;65using System.Drawing;66using System.Windows.Forms;67using FlaUI.Core.WindowsAPI;68{69    {70        public Form1()71        {72            InitializeComponent();73        }74        private void button1_Click(object

SetLayeredWindowAttributes

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Runtime.InteropServices;4{5    {6        [DllImport("user32.dll", SetLastError = true)]7        public static extern bool SetLayeredWindowAttributes(IntPtr hwnd, uint crKey, byte bAlpha, uint dwFlags);8        public const uint LWA_COLORKEY = 0x00000001;9        public const uint LWA_ALPHA = 0x00000002;10    }11}12using FlaUI.Core.WindowsAPI;13using System;14using System.Runtime.InteropServices;15{16    {17        [DllImport("user32.dll", SetLastError = true)]18        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);19        public const int GWL_EXSTYLE = -20;20        public const int WS_EX_LAYERED = 0x80000;21    }22}23using FlaUI.Core.WindowsAPI;24using System;25using System.Runtime.InteropServices;26{27    {28        [DllImport("user32.dll", SetLastError = true)]29        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);30        public const int GWL_EXSTYLE = -20;31        public const int WS_EX_LAYERED = 0x80000;32    }33}34using FlaUI.Core.WindowsAPI;35using System;36using System.Runtime.InteropServices;37{38    {39        [DllImport("user32.dll", SetLastError = true)]40        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int x, int y, int cx, int cy, uint uFlags);41        public const uint SWP_NOACTIVATE = 0x0010;42        public const uint SWP_NOOWNERZORDER = 0x0200;43        public const uint SWP_NOSIZE = 0x0001;

SetLayeredWindowAttributes

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using FlaUI.Core.WindowsAPI;3using System;4using System.Runtime.InteropServices;5using System.Windows.Forms;6{7    {8        public Form1()9        {10            InitializeComponent();11        }12        private void button1_Click(object sender, EventArgs e)13        {14            Form1 form1 = new Form1();15            form1.Show();16            User32.SetLayeredWindowAttributes(form1.Handle, 0, 150, LWA_ALPHA);17        }18        private const int LWA_ALPHA = 2;19    }20}21Error	1	'FlaUI.Core.WindowsAPI.User32' does not contain a definition for 'SetLayeredWindowAttributes' and no extension method 'SetLayeredWindowAttributes' accepting a first argument of type 'FlaUI.Core.WindowsAPI.User32' could be found (are you missing a using directive or an assembly reference?)	C:\Users\test\Desktop\5.cs	17	13	5

SetLayeredWindowAttributes

Using AI Code Generation

1using FlaUI.Core.WindowsAPI;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using System.Windows.Forms;8using System.Runtime.InteropServices;9using System.Drawing;10{11    {12        [DllImport("user32.dll")]13        public static extern IntPtr GetForegroundWindow();14        [DllImport("user32.dll")]15        public static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);16        [DllImport("user32.dll")]17        public static extern bool SetLayeredWindowAttributes(IntPtr hWnd, int crKey, byte bAlpha, int dwFlags);18        [StructLayout(LayoutKind.Sequential)]19        {20            public int Left;21            public int Top;22            public int Right;23            public int Bottom;24        }25        static void Main(string[] args)26        {27            RECT rect = new RECT();28            IntPtr handle = GetForegroundWindow();29            GetWindowRect(handle, out rect);30            SetLayeredWindowAttributes(handle, 0, 64, 0x2);31        }32    }33}34using FlaUI.Core.WindowsAPI;35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40using System.Windows.Forms;41using System.Runtime.InteropServices;42using System.Drawing;43{44    {45        [DllImport("user32.dll")]46        public static extern IntPtr GetForegroundWindow();47        [DllImport("user32.dll")]48        public static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);49        [DllImport("user32.dll")]50        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);51        [StructLayout(LayoutKind.Sequential)]52        {53            public int Left;54            public int Top;55            public int Right;56            public int Bottom;57        }58        static void Main(string[] args)59        {60            RECT rect = new RECT();61            IntPtr handle = GetForegroundWindow();62            GetWindowRect(handle, out rect);63            SetWindowLong(handle, -20, 0x80000 | 0x20);64        }65    }66}

SetLayeredWindowAttributes

Using AI Code Generation

1using System;2using System.Windows.Forms;3using FlaUI.Core.WindowsAPI;4{5    {6        public Form1()7        {8            InitializeComponent();9        }10        private void Form1_Load(object sender, EventArgs e)11        {12            User32.SetLayeredWindowAttributes(this.Handle, 0, 128, User32.LWA_ALPHA);13        }14    }15}

SetLayeredWindowAttributes

Using AI Code Generation

1    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);2    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);3    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);4    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);5    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);6    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);7    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);8    FlaUI.Core.WindowsAPI.User32.SetLayeredWindowAttributes(windowInfo.Handle, 0, 255, FlaUI.Core.WindowsAPI.User32.LWA.ALPHA);

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