GetCurrentInputMessageSource function (winuser.h)

Retrieves the source of the input message.

Syntax

BOOL GetCurrentInputMessageSource(
  [out] INPUT_MESSAGE_SOURCE *inputMessageSource
);

Parameters

[out] inputMessageSource

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

Note  deviceType in INPUT_MESSAGE_SOURCE is set to IMDT_UNAVAILABLE when SendMessage is used to inject input (system generated or through messages such as WM_PAINT). This remains true until SendMessage returns.

 

Return value

If this function succeeds, it returns TRUE. Otherwise, it returns FALSE. To retrieve extended error information, call the GetLastError function.

Requirements

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
API set	ext-ms-win-rtcore-ntuser-wmpointer-l1-1-0 (introduced in Windows 10, version 10.0.14393)

See also

Input Source Identification Reference