IWTSProtocolConnectionCallback::DisplayIOCtl method (wtsprotocol.h)

Article
10/13/2021

[IWTSProtocolConnectionCallback::DisplayIOCtl is no longer available for use as of Windows Server 2012.]

Requests that the Remote Desktop Services service send data to the display driver loaded in the session.

Syntax

HRESULT DisplayIOCtl(
  [in, optional] WTS_DISPLAY_IOCTL *DisplayIOCtl
);

Parameters

[in, optional] DisplayIOCtl

A WTS_DISPLAY_IOCTL structure that contains data to be sent to the display driver loaded in the session.

Return value

If the function succeeds, the function returns S_OK.

If the function fails, it returns an HRESULT value that indicates the error. Possible values include, but are not limited to, those in the following list. For a list of common error codes, see Common HRESULT Values.

Remarks

To avoid deadlocks when calling this method:

Create a separate thread on which to make the call. Do not make the call from inside of any protocol method that you are implementing.
Do not block on this method before replying to another call by the Remote Desktop Services service.

Requirements

Requirement	Value
Minimum supported client	None supported
Minimum supported server	Windows Server 2008 R2
Target Platform	Windows
Header	wtsprotocol.h