
Q: Using hardware button for pen click
i'am triyng to use some hardware to replace the pen such as a mouse and i
didn't find any were some one to tell me how to catch the events of a mouse
or a pointing device did you reach this ??
and can you tell me ?
for the middle button on vb the class is i think
WM_MOUSEMOVE
This message is posted to a window when the stylus moves while the tip is
down. If stylus input is not captured, the message is posted to the window
that contains the stylus tip. If stylus input is captured, the message is
posted to the window that has the capture.
WM_MOUSEMOVE fwKeys = wParam; xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
Parameters
fwKeys
Indicates whether various virtual keys are down. It is any combination of
the following values: Value Description
MK_CONTROL Set if the CTRL key is down.
MK_LBUTTON Set if the left mouse button is down.
MK_SHIFT Set if the SHIFT key is down.
xPos
Value of the low-order word of lParam. Specifies the x-coordinate of the
cursor. The coordinate is relative to the upper-left corner of the client
area.
yPos
Value of the high-order word of lParam. Specifies the y-coordinate of the
cursor. The coordinate is relative to the upper-left corner of the client
area.
Return Values
Remarks
The MAKEPOINTS macro can be used to convert the lParam parameter to a POINTS
structure.
Requirements
Runs on Versions Defined in Include Link to
Windows CE OS
Handheld PC Pro 3.0 Windows CE OS 2.11 and later Winuser.h Header Link
to
Palm-size PC 1.2 Windows CE OS 2.11 and later Winuser.h Header Link to
Note This information applies to the version of the operating system as
provided by Microsoft. Actual implementation is determined by the original
equipment manufacturer (OEM) and some devices may not support this function.
Quote:
> Hi,
> I am writing an application which I try to use without the
> pen, so I got control of the hardware buttons. In my app
> I have a litbox which got filled at start. What I didn't manage
> up to day is to use the click of the middle button of the
> cross as an event for the selection of an item in the listbox.
> I have to use the pen for that. Can anybody send me a
> piece of code how to select an item in listbox without using
> the pen?
> Any pointer is appreciated,
> Holger