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Thread: How Applications will get Notified about Pen Flicks

  1. #1
    Join Date
    Aug 2009
    Posts
    155

    How Applications will get Notified about Pen Flicks

    Need Help! I have bought a brand new computer with the latest configurations on it and i am using windows vista operating system on it. I am a frequent user of tablet pc which i usually use at my office. Now on my personal computer i want to use it. But i have a little query in my mind that how come an application will come to know that i am using pen flicks ?

  2. #2
    Join Date
    May 2008
    Posts
    5,937

    Applications gets Notified for Pen Flicks by WM_TABLET_FLICK Message.

    Windows Vista will send a WM_TABLET_FLICK Message to the application in order to make that application notified for Pen Click. And full information about any pen flick will be given by the FLICK_DATA Structure and FLICK_POINT Structure. This will include the followings :
    • The screen will be coordinating where the flick will gets started.

    • Action for the pen flick requested by the user.

    • Direction of the pen flick.

    • The Current state of the modifier key like CTRL or SHIFT.

  3. #3
    Join Date
    Oct 2008
    Posts
    1,066

    If Application not responding to WM_TABLET_FLICK Message.

    Most of the time, all the application will respond to the WM_TABLET_FLICK Message. But some application may not respond to this message then windows vista will send WM_APPCOMMAND, WM_VSCROLL, or WM_KEYDOWN, depending on which action is associated with the pen flick to make application notified for pen flicks. By sending these messages, Application will respond to the messages even if that application does not support to the pen flick.

  4. #4
    Join Date
    Dec 2008
    Posts
    950

    List of application commands.

    here is the list of application commands which will be assign to the pen flicks. Even Backup Keystrokes messages are there which might be sent also.
    1. APPCOMMAND_BROWSER_BACKWARD
    Keystroke - None.
    2. APPCOMMAND_BROWSER_FORWARD
    Keystroke - None.
    3. APPCOMMAND_COPY
    Keystroke - Ctrl+C
    4. APPCOMMAND_PASTE
    Keystroke - Ctrl+V
    5. APPCOMMAND_UNDO
    Keystroke - Ctrl+Z
    6. APPCOMMAND_DELETE
    Keystroke - Del
    7. APPCOMMAND_CUT
    Keystroke - Ctrl+X
    8. APPCOMMAND_OPEN
    Keystroke - Ctrl+O
    9. APPCOMMAND_PRINT
    Keystroke - Ctrl+P
    10. APPCOMMAND_SAVE
    Keystroke - Ctrl+S
    11. APPCOMMAND_REDO
    Keystroke - Ctrl+Y

  5. #5
    Join Date
    Jan 2006
    Posts
    4,545

    Application should give consistent response to pen flicks.

    As soon as the user assign a command in control panel, application must respond to it in consistent manner. Windows Vista will display the visual feedback regarding the assigned command when user performs any pen flicks. It does not depends on how application is responding to the current pen flick. Sometime application may respond to some other pen flick then the requested pen flick. This means that application do have ability to react to the flicks but in some other way. But it does not mean that application is NOT RESPONDING.
    In The Absence Of Light
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  6. #6
    Join Date
    Oct 2008
    Posts
    951

    Actions performed by Pen Flicks.

    Here are the actions which pen flick can perform. There are total four types of actions.
    1. Scroll up or down.
    2. Back or Undo.
    3. Any keystroke or keystroke combination.
    4. Activating a modifier key such as SHIFT.

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