ADS-TEC Softkeyboard - Manual (Page 36)

Softkeyboard
36
© ads-tec GmbH • Raiffeisenstr.14 • 70771 Leinfelden-Echterdingen
12 S
OFTKEYBOARD
API (C++ API)
Starting with Vista, UIPI (User interface privilege isolation) restricts the way how applications can
interchange windows messages. With UAC (User account control) enabled, softkey.exe runs at an
elevated level, since it is started from a service, and may not receive messages from a standard
application. When using the classic API, a proxy (skbdctrl.exe) receives the global window
messages and talks to the service through a named pipe.
Instead of using the proxy, an application might as well directly use the named pipe to talk to the
service. This API is implemented as a C++ class: CSKCtrl (source files: skctrl.cpp, skctrl.h) and
may be included into existing customer’s applications. An example for using this class is
TestSKCtrl.exe.
12.1 S
END
M
ESSAGES TO THE
S
OFTKEYBOARD
(C++ API)
SHOW SOFTKEYBOARD
Description
Shows the Softkeyboard on the screen.
Definition
bool CSKCtrl::Show (void);
Usage
CSKCtrl.Show();
HIDE SOFTKEYBOARD
Description
Hides the Softkeyboard if displayed.
Definition
bool CSKCtrl::Hide (void);
Usage
CSKCtrl.Hide();