windows_programming_notes.nbk: Home | Index | Next Page: GET_FLAGS_LPARAM | Previous Page: GET_APPCOMMAND_LPARAM

 GET_DEVICE_LPARAM

The GET_DEVICE_LPARAM macro retrieves the input device type from the specified LPARAM value.

Syntax

    WORD GET_DEVICE_LPARAM(
        LPARAM lParam
    );

Parameters

• lParam
  Specifies the value to be converted.

Return Value

The return value is the bit of the high-order word representing the input device type. It can be one of the following values.

• FAPPCOMMAND_KEY User pressed a.
• FAPPCOMMAND_MOUSE User clicked a mouse button.
• FAPPCOMMAND_OEM An unidentified hardware source generated the event. It could be a mouse or a keyboard event.

Remarks

This macro is identical to the [GET_MOUSEORKEY_LPARAM] macro.

Macro Information

• Header Declared in Winuser.h, include Windows.h
• Minimum operating systems Windows 2000

windows_programming_notes.nbk: Home | Index | Next Page: GET_FLAGS_LPARAM | Previous Page: GET_APPCOMMAND_LPARAM

Notebook exported on Monday, 7 July 2008, 18:56:50 PM Eastern Daylight Time