GetCIMSSM function (winuser.h)

[GetCIMSSM may be altered or unavailable in the future. Instead, use GetCurrentInputMessageSource.]

Retrieves the source of the input message (GetCurrentInputMessageSourceInSendMessage).

Syntax

BOOL GetCIMSSM(
  [out] INPUT_MESSAGE_SOURCE *inputMessageSource
);

[out] inputMessageSource

The INPUT_MESSAGE_SOURCE structure that holds the device type and the ID of the input message source.

If this function succeeds, it returns TRUE. Otherwise, it returns ERROR_INVALID_PARAMETER.

This function fails when:

The input parameter is invalid.
GetCurrentInputMessageSource returns a value other than IMDT_UNAVAILABLE for the device type.

GetCIMSSM should be used only when GetCurrentInputMessageSource returns a device type of IMDT_UNAVAILABLE.

Requirement	Value
Minimum supported client	Windows 8 [desktop apps only]
Minimum supported server	Windows Server 2012 [desktop apps only]
Target Platform	Windows
Header	winuser.h
Library	User32.lib
DLL	User32.dll