Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

Add-Type @"
using System;
using System.Runtime.InteropServices;
public class Mouse {
[DllImport("user32.dll", CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);
}
"@

[System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point(1200,50)
[Mouse]::mouse_event(0x02,0,0,0,0) # left down
[Mouse]::mouse_event(0x04,0,0,0,0) # left up

Start-Sleep -Seconds 1

[System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point(500,130)
[Mouse]::mouse_event(0x02,0,0,0,0) # left down
[Mouse]::mouse_event(0x04,0,0,0,0) # left up

Start-Sleep -Seconds 0.5

[System.Windows.Forms.SendKeys]::SendWait('7774020680{ENTER}')