Elo-touchsystems MonitorMouse FOR WINDOWS NT Version 2.0 Manual de usuario descargar pdf (Pagina 32)

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Programming Options

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Z-Axis Capabilities 27

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Launching the Touchscreen Control Panel 29

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Calibrating from Within Your Program 29

Z-A

XIS

APABILITIES

Windows NT programmers can take advantage of IntelliTouch Z-axis capabilities.

For a demo of Z-Axis run ZAXIS.EXE from the \ELO directory. This program is

installed by using the Custom option in Setup. Run Setup again to install the

programming tools.

To access the Z reporting capabilities of the driver in Win32, the device is

accessed via its Win32 name "MMDev". The CreateFile function opens the

MMDev device and returns a handle to it. This handle is subsequently used in the

DeviceIoControl function call which is the mechanism used to obtain Z data from

the driver. The I/O control code IOCTL_MM_ZAXIS_SUPPORT is the

parameter used to query the driver to see if the controller supports Z reporting

capabilities (IntelliTouch). The I/O control code IOCTL_MM_ZAXIS is the

function parameter passed to the DeviceIoControl function to obtain Z data.

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Elo-touchsystems MonitorMouse FOR WINDOWS NT Version 2.0 Manual de usuario Pagina 32