$sig = '[DllImport("user32.dll")] public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);'
Add-Type -MemberDefinition $sig -name NativeMethods -namespace Win32
Add-Type -AssemblyName microsoft.VisualBasic
Add-Type -AssemblyName System.Windows.Forms

$hwnd = @(Get-Process "TouchPlayer")[0].MainWindowHandle

[Win32.NativeMethods]::ShowWindowAsync($hwnd, 9)

[Microsoft.VisualBasic.Interaction]::AppActivate("TD_Main")