The external IP Address and MAC Address of your computer is required.
SetThreadExecutionState(EXECUTION_STATE.In addition to the Windows tools from Depicus, they also have a page on their website that can send the magic packet over the internet to your computer. SetThreadExecutionState(EXECUTION_STATE.ES_DISPLAY_REQUIRED + EXECUTION_STATE.ES_CONTINUOUS) 'Do not Go To Sleep Private Const SPI_SETSCREENSAVETIMEOUT As Int32 = 15 Private Shared Function SystemParametersInfo(ByVal uAction As Integer, ByVal uParam As Integer, ByVal lpvParam As String, ByVal fuWinIni As Integer) As Integer 'This function queries or sets system-wide parameters, and updates the user profile during the process. Private Shared Function SetThreadExecutionState(ByVal esFlags As EXECUTION_STATE) As EXECUTION_STATE 'Enables an application to inform the system that it is in use, thereby preventing the system from entering sleep or turning off the display while the application is running. Public Enum EXECUTION_STATE As UInteger ' Determine Monitor State Imports Microsoft.Win32 'For System Events SO looking at this from the other direction, not how to turn it on and how to make it not go to sleep in a round about way, I have this working code. Private monitorHelper1 As New MonitorHelperĬalling the monitor to turn on: monitorHelper1.TurnOnScreen(Me) NativeMethods.PostMessage(New HandleRef(Me, HWND_BROADCAST), WM_SYSCOMMAND, SC_MONITORPOWER, MONITOR_ON) Public Sub TurnOnScreen(ByVal form As Form) Private HWND_BROADCAST As Integer = (&HFFFF&) Private SC_MONITORPOWER As New IntPtr(&HF170) Private Const WM_SYSCOMMAND As Integer = &H112 Here is the code: Public Class MonitorHelper Ive also looked into the whole send keys thing, but that didnt seem to do anything in windows 7, An important note to make, the dredit for this code in the most part is thanks to the members of StackOverflow! Cheers I've tried various timers and loops to reissue the command, but its hard on the cpu by the look of it, does anyone have any ideas on how to get it to turn on the screen for say 10 minutes, or even just turn it on and wait for the OS to turn it off again later? I have the code below, that does successfully "wake up" a sleeping monitor, but it only momentarily wakes it up, it flashes on and then back off.
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