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Chapter 3 Measurement Studio Visual C++ Class Libraries
© National Instruments Corporation 3-15 Measurement Studio User Manual
Utility
Use the Measurement Studio Utility Visual C++ class library to easily
access Windows operating system functionality. Table 3-1 lists classes in
the Utility class library and their functionality.
Table 3-1. Utility Class Names and Functionalities
Utility Class Functionality
CNiFile
CNiFile extends the MFC CStdioFile class by adding streaming
operators for standard Visual C++ data types. In addition, a variety
of class static functions add the ability to manipulate file, path,
directory, and drive attributes.
CNiSound
CNiSound encapsulates an interface for generating synchronous and
asynchronous tones at specific frequencies.
CNiSystem
CNiSystem provides the following functionality:
• Getting and setting system preferences
• Displaying help files
• Getting input for the keyboard
CNiSystemTrayIcon
CNiSystemTrayIcon encapsulates the interface to the system tray
area that displays changes in the status of an application. The
CNiSystemTrayIcon class includes the following features:
• Icons—You can place an icon in the system tray to notify the user
of changes in an application status.
• String tooltips—You can associate a string tooltip with an icon
and display the tooltip when the user hovers over the icon.
• Shortcut menus—You can associate a shortcut menu with an icon
and display the shortcut menu when the user right-clicks the icon.
• Overridable event handling.