MasterImageCreation

1.0.0

CmdLets/Send-KeyToProcess.ps1

# Load required assemblies
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

# Add Win32 API functions for window control
Add-Type @"
using System;
using System.Runtime.InteropServices;
 
public class WinAPI {
    [DllImport("user32.dll")]
    public static extern bool SetForegroundWindow(IntPtr hWnd);
 
    [DllImport("user32.dll")]
    public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
}
"@

Function Send-KeyToProcess 
 {

    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$true)]
        [string]$ProcessName,

        [Parameter(Mandatory=$true)]
        [string]$Key
    )
    <#
        Supported Keys:
        Modifier Symbol Example
        Shift + "+A" → Shift + A
        Ctrl ^ "^C" → Ctrl + C
        Alt % "%F4" → Alt + F4
        {Enter}
        {TAB}
        {ESC}
        {UP}
        {DOWN}
        {LEFT}
        {RIGHT}
        F1 to F12 -- Unsure which is correct
        {F1} to {F12} -- Unsure which is correct
 
    #>
    try {
        # Get the process
        $proc = Get-Process -Name $ProcessName -ErrorAction Stop | Select-Object -First 1

        if (-not $proc.MainWindowHandle -or $proc.MainWindowHandle -eq 0) {
            Write-Error "Process '$ProcessName' has no main window."
            return
        }

        # Bring window to front
        #[WinAPI]::ShowWindowAsync($proc.MainWindowHandle, 5) | Out-Null # 5 = SW_SHOW
        #Start-Sleep -Milliseconds 200
        [WinAPI]::SetForegroundWindow($proc.MainWindowHandle) | Out-Null
        Start-Sleep -Milliseconds 200

        # Send the key
        [System.Windows.Forms.SendKeys]::SendWait($Key)
        Write-Host "Sent key '$Key' to process '$ProcessName'."
    }
    catch {
        Write-Error "Error: $_"
    }

}