Labwindows cvi programming for beginners




















So I wrote this little module to dump all the valid attributes off a panel or control. It just prints them all. Two source files: ShowAttributes. H ave you ever noticed that in the user interface editor you can move between panels using Ctrl-shift and the left or right arrow? Well, here's a little piece of code that allows you to do the same thing in your C programs. In addition it will print or center your panels on request. Note that on Linux the keymaps are a bit different so you may want to verify them.

In this small source code, you'll also find functions to handle default keys print, screenshot O K, so there are several predefined popups, like ConfirmPopup or GeneralPopup that you can call, and they will return the button clicked by the user. I mulled that one over for a while, until a suggestion from Martin J. Saxon: the trick is to call RunUserInterface again Here's another example which allows you to change the format, precision and padding of a numeric control.

Note: you may be thinking about doing the same for a graph properties popup, but this is largely done already if you use legends and enable [Interactive Legend]. And yet another example which allows you to change the format, precision and a few other attributes to a graph axis. And yet another example which allows you to change some cosmetics on a slider popup, including the ramp colors, needle width, etc.

T here are many default events in LabWindows, but some are missing. For instance you can drag and drop files from explorer onto a panel only if you call the EnableDragAndDrop function.

Something else that is sometimes necessary is shift-click, ctrl-click and alt-click. RunSequenceCB Function. ExitCB Function. ReturnCB Function. Creating Stand-Alone Executables. Creating Distribution Disks. Install DataSocket Support. Install NI Reports Support. Error Handling for Stand-Alone Executables. Creating Dynamic Link Libraries. Using the DLL.

External Compiler Support. GPIB Communication. Win32 Interactive Control Utility. NI Spy Utility. Using the IEEE Overview of Serial Communication. Connectors and Signals. Serial Communication Project. Configuring the RS-. Error Checking Functions. Writing and Reading Data. Sending Data Buffer. Receiving Data Buffer. Sending a Data Byte. Reading a Data Byte. Reading Data Using a Termination Byte. Writing Data Files. Reading Data Files. Sending and Receiving Data Packets. Configuring XModem. Sending Data Packets.

Receiving Data Packets. Serial Communication Utility Functions. Flush Output Queue. Flush Input Queue. Queue Length. Break Function. Communicating with RS Overview of the Project Window. Using the File Menu. Save As. Save All. Auto Save Project. Most Recently Closed Files. Using the Edit Menu. Add Files To Project. Select All. Exclude File From Build. Remove File. Move Item Up. Move Item Down. Using the View Menu. Show Full Path Names.

Show Full Dates. Sort By Date. Sort By Name. Sort By Pathname. Sort By File Extension. No Sorting. Using the Build Menu. Target Type. Target Settings. Compile File. Mark File For Compilation. Mark All For Compilation. Create Distribution Kit. Using the Run Menu. Debug Project. Terminate Execution. Break at First Statement. Select External Process. Using the Instrument Menu.

Using the Library Menu. User Interface. Advanced Analysis. Data Acquisition. X Property Unix Only. ActiveX Automation Windows Only. ANSI C. Using the Tools Menu. Source Code Control. Using the Window Menu.

Cascade Windows. Tile Windows. Minimize All. Close All. Build Errors. Run-Time Errors. Source Code Control Errors. Memory Display. Interactive Execution.

Using the Options Menu. Build Options. Compiler Defines. Include Paths. Instrument Directories. Book is in acceptable condition with wear to the pages, binding, and some marks within. Published by Prentice Hall , Item is in good condition.

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