windows_programming_notes.nbk: Home | Index | Next Page: GET_DEVICE_LPARAM | Previous Page: FreeEnvironmentStrings

GET_APPCOMMAND_LPARAM

The GET_APPCOMMAND_LPARAM macro retrieves the application command from the specified LPARAM value.

Syntax

    short GET_APPCOMMAND_LPARAM(
        LPARAM lParam
    );

Parameters

lParam

Return Value

The return value is the bits of the high-order word representing the application command. It can be one of the following values.

APPCOMMAND_BASS_BOOST Toggle the bass boost on and off.
APPCOMMAND_BASS_DOWN Decrease the bass.
APPCOMMAND_BASS_UP Increase the bass.
APPCOMMAND_BROWSER_BACKWARD Navigate backward.
APPCOMMAND_BROWSER_FAVORITES Open favorites.
APPCOMMAND_BROWSER_FORWARD Navigate forward.
APPCOMMAND_BROWSER_HOME Navigate home.
APPCOMMAND_BROWSER_REFRESH Refresh page.
APPCOMMAND_BROWSER_SEARCH Open search.
APPCOMMAND_BROWSER_STOP Stop download.
APPCOMMAND_LAUNCH_APP1 Start App1.
APPCOMMAND_LAUNCH_APP2 Start App2.
APPCOMMAND_LAUNCH_MAIL Open mail.
APPCOMMAND_LAUNCH_MEDIA_SELECT Go to Media Select mode.
APPCOMMAND_MEDIA_NEXTTRACK Go to next track.
APPCOMMAND_MEDIA_PLAY_PAUSE Play or pause playback.
APPCOMMAND_MEDIA_PREVIOUSTRACK Go to previous track.
APPCOMMAND_MEDIA_STOP Stop playback.
APPCOMMAND_MICROPHONE_VOLUME_DOWN Windows XP: Increase microphone volume.
APPCOMMAND_MICROPHONE_VOLUME_MUTE Windows XP: Mute the microphone.
APPCOMMAND_MICROPHONE_VOLUME_UP Windows XP: Decrease microphone volume.
APPCOMMAND_TREBLE_DOWN Decrease the treble.
APPCOMMAND_TREBLE_UP Increase the treble.
APPCOMMAND_VOLUME_DOWN Lower the volume.
APPCOMMAND_VOLUME_MUTE Mute the volume.
APPCOMMAND_VOLUME_UP Raise the volume.

Macro Information

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

windows_programming_notes.nbk: Home | Index | Next Page: GET_DEVICE_LPARAM | Previous Page: FreeEnvironmentStrings

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