Search
Module:
Directory

   Desktop Functions:

   Smart Device Functions:


Show Recent Changes
Subscribe (RSS)
Misc. Pages
Comments
FAQ
Helpful Tools
Playground
Suggested Reading
Website TODO List
Download Visual Studio Add-In

SetSystemPowerState (coredll)
 

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for SetSystemPowerState in other DLLs exists, click on Find References to the right.

.
Summary
Controls the overall device power state

C# Signature:

[DllImport("coredll.dll", SetLastError=true)]
static extern TODO SetSystemPowerState(TODO);

VB Signature:

    Declare Function SetSystemPowerState Lib "Coredll" ( _
    ByVal psState As String, _
    ByVal StateFlags As Integer, _
    ByVal Options As Integer) As Integer

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

May be more effective at forcing the device off than holding it on.

Tips & Tricks:

Please add some!

Sample Code:

    Const POWER_STATE_ON As Integer = &H10000
    Const POWER_STATE_OFF As Integer = &H20000
    Const POWER_STATE_SUSPEND As Integer = &H200000
    Const POWER_FORCE As Integer = 4096

    Public Sub ForcePower()
    SetSystemPowerState(Nothing, POWER_STATE_ON, POWER_FORCE)
    End Sub

Documentation

Please edit this page!

Do you have...

  • helpful tips or sample code to share for using this API in managed code?
  • corrections to the existing content?
  • variations of the signature you want to share?
  • additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).

 
Access PInvoke.net directly from VS:
Terms of Use
Find References
Show Printable Version
Revisions