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Introduction
This class is useful for scrolling CWnd derived objects, for example CScrollView,
and helps you to handle mouse cursor movement near the client's
border. The CTimerScroll object sends WM_HSCROLL and WM_VSCROLL
messages to your
object.
It has only 3 methods:
Register(CWnd* pWnd) - Registers the windows object to send messages to.
Install() - Installs the timer and captures the mouse cursor
Unistall() - Helper method to unistall the timer.
How to use
- Insert a
CTimerScroll object in your CWnd derived class.
- Invoke
Register in your init creation process. For example
OnInitialUpdate, OnCreate, ....
- In the
OnLButtonDown message handler, call Install(), this
method capture the mouse for you.
- In the
OnLButtonUp message handler, call ReleaseCapture, to
release the mouse. This unistall the timer automatically.
Of course you must handle the scrolling messages.
Sample code
The TSSample sample is a MFC SDI VC++6 aplication sample, and uses the CTimerScroll.
The TSSampleView is derived from CScrollView (this MFC class have scroll handler
methods build in).
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