Functions/GenXdev.Windows/Set-ForegroundWindow.cs
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using System.Runtime.InteropServices; using System.Management.Automation; namespace GenXdev.Windows { [System.ComponentModel.Description(@" .SYNOPSIS Brings the specified window to the foreground and makes it the active window. .DESCRIPTION * Makes a window the foreground window using multiple Win32 API methods for maximum reliability. * First attempts using SwitchToThisWindow API, then falls back to SetForegroundWindow if needed. .LICENSE Copyright (C) 2026 René Vaessen / GenXdev This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. .EXAMPLE ```powershell $hwnd = (Get-Process notepad).MainWindowHandle Set-ForegroundWindow -WindowHandle $hwnd ``` Brings a Notepad window to the foreground using the window handle. .EXAMPLE ```powershell $hwnd = (Get-Process notepad).MainWindowHandle Set-ForegroundWindow $hwnd ``` Uses positional parameter for concise syntax. ")] [Cmdlet(VerbsCommon.Set, "ForegroundWindow")] public class SetForegroundWindowCommand : PSGenXdevCmdlet { /// <summary> /// An IntPtr handle to the target window. This handle can be obtained from Windows /// API calls or PowerShell window management functions like Get-Process /// MainWindowHandle. /// </summary> [Parameter( Mandatory = true, Position = 0, HelpMessage = "Window handle to set as foreground window")] public IntPtr WindowHandle { get; set; } /// <summary> /// P/Invoke declaration for SwitchToThisWindow API /// </summary> [DllImport("user32.dll")] private static extern void SwitchToThisWindow(IntPtr hWnd, bool fAltTab); /// <summary> /// P/Invoke declaration for SetForegroundWindow API /// </summary> [DllImport("user32.dll")] private static extern bool SetForegroundWindow(IntPtr hWnd); /// <summary> /// Begin processing - initialization logic /// </summary> protected override void BeginProcessing() { // Log the activation attempt with the window handle WriteVerbose($"Attempting to set foreground window for handle: {WindowHandle}"); } /// <summary> /// Process record - main cmdlet logic /// </summary> protected override void ProcessRecord() { if (ShouldProcess($"Window {WindowHandle}", "Set as foreground window")) { try { // Try the preferred SwitchToThisWindow API first as it's more reliable WriteVerbose("Attempting primary method: SwitchToThisWindow..."); SwitchToThisWindow(WindowHandle, false); } catch (Exception ex) { // Log failure of primary activation method WriteVerbose($"SwitchToThisWindow failed: {ex.Message}"); } try { // Attempt SetForegroundWindow as fallback if first method failed WriteVerbose("Attempting fallback method: SetForegroundWindow..."); SetForegroundWindow(WindowHandle); } catch (Exception ex) { // Log failure of backup activation method WriteVerbose($"SetForegroundWindow failed: {ex.Message}"); } } } /// <summary> /// End processing - cleanup logic /// </summary> protected override void EndProcessing() { // No cleanup needed } } } |