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 GET_FLAGS_LPARAM

The GET_FLAGS_LPARAM macro retrieves the state of certain virtual keys from the specified LPARAM value.

Syntax

    int GET_FLAGS_LPARAM(
        LPARAM lParam
    );

Parameters

• lParam
  Specifies the value to be converted.

Return Value

The return value is the low-order word representing the virtual key state. It can be one of the following values.

• MK_CONTROL The CTRL key is down.
• MK_LBUTTON The left mouse button is down.
• MK_MBUTTON The middle mouse button is down.
• MK_RBUTTON The right mouse button is down.
• MK_SHIFT The SHIFT key is down.
• MK_XBUTTON1 The first X button is down.
• MK_XBUTTON2 The second X button is down.

Remarks

This macro is identical to the GET_KEYSTATE_LPARAM macro.

Macro Information

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

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