# Helper functions for gaining access to Win32 API
###########################################################################################
$script:nativeMethods = @();
function Register-NativeMethod([string]$dll, [string]$methodSignature)
{
    $script:nativeMethods += [PSCustomObject]@{ Dll = $dll; Signature = $methodSignature; }
}
function Add-NativeMethods()
{
    $nativeMethodsCode = $script:nativeMethods | % { "
        [DllImport(`"$($_.Dll)`")]
        public static extern $($_.Signature);
    " }

    Add-Type @"
        using System;
        using System.Runtime.InteropServices;
        public class NativeMethods {
            $nativeMethodsCode
        }
"@
}
###########################################################################################

# Add your Win32 API here:
###########################################################################################
Register-NativeMethod "user32.dll" "bool SetForegroundWindow(IntPtr hWnd)"
Register-NativeMethod "user32.dll" "bool ShowWindow(IntPtr hWnd, int nCmdShow)"
Register-NativeMethod "user32.dll" "bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint)"
Register-NativeMethod "user32.dll" "bool AnimateWindow(IntPtr hwnd, UInt32 dwTime, UInt32 dwFlags)"
Register-NativeMethod "user32.dll" "IntPtr FindWindow(IntPtr ZeroOnly, string lpWindowName)"
Register-NativeMethod "user32.dll" "void keybd_event(Byte bVk, Byte bScan, UInt32 dwFlags, UInt32 dwExtraInfo)"
Register-NativeMethod "user32.dll" "bool InvalidateRect(IntPtr hWnd, IntPtr ZeroOnly, bool bErase)"
Register-NativeMethod "user32.dll" "UInt16 TileWindows(IntPtr ZeroOnly, int wHow, IntPtr lpRect, int cKids, IntPtr[] lpKids)"
Register-NativeMethod "dwmapi.dll" "void DwmEnableBlurBehindWindow(IntPtr hwnd, ref DWM_BLURBEHIND blurBehind)"
###########################################################################################

# Build class and registers them:
Add-NativeMethods

$application = New-Object -com shell.application



[DllImport("dwmapi.dll")]
static extern void DwmEnableBlurBehindWindow(IntPtr hwnd, ref DWM_BLURBEHIND blurBehind);