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Installing an LCB Library

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Installing the library into the LiveCode IDE

The Extension Builder is also used to install libraries. Installed libraries are loaded each time LiveCode is started up. Extensions are installed into your My LiveCode folder.

  1. Open the Extension Builder from the Tools menu.
  2. Click the Open button and load the “HelloWorldLibrary.lcb” file.
  3. Click the Install button to install the library.

2016-06-08 11_33_01-Step 8_ Installing an LCB library - Google Slides

You will be asked to select an icon and a high resolution icon, click Cancel on these dialogs as no icon is needed for a library.

The installed library

Go to your My LiveCode folder.

In the Extensions folder you will see a folder with the same name as your library identifier.

2016-06-07 14_45_31-Extensions

This folder contains the files that are make up the packaged extension.

Any extensions installed to My LiveCode are automatically loaded when LiveCode is started up.

Testing the installed library

To test your library is correctly installed execute

put the loadedExtensions

in the Message Box. Your library will appear in the list of extensions.

To test the library handler execute

put sayHello()

in the Message Box.

2016-06-07 14_48_44-Message Box (Single Line)

The text returned by the library is displayed in the Message Box.

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Lessons Status
1 - Hello World Library
  • Introduction
  • Installing a Text Editor
  • Creating an LCB library
  • LCB library definition
  • LCB handler definitions
  • Compiling and testing a library in LiveCode
  • LCB metadata
  • Installing an LCB Library
  • Packaging and sharing an LCB library
  • Including an LCB library in a standalone
  • Conclusion
2 - Extended Hello World Library
  • Introduction
  • Explicit Types
  • LCB Lists and Arrays
  • Type Conversion between LCB and LiveCode Script
  • Using Explicit Typing in the Library
  • Passing Parameters to the Library
  • Using Lists in the Library
  • Documenting the Library
  • Browsing the Documentation
  • Conclusion
3 - Rotated Text Widget
  • Introduction
  • Defining a Widget
  • LCB Module Level Variables
  • Widget Properties
  • Widget Handlers
  • LCB Canvas Operations
  • Compiling and Testing the Widget
  • Installing the Widget and adding it to a Stack
  • Including the Widget in a Standalone
  • Conclusion
4 - Extended Rotated Text Widget
  • Introduction
  • Integrating Properties
  • Accessing LiveCode Control Properties
  • Handling Mouse Events
  • Saving and Loading Widgets
  • Read Only Properties
  • Documenting the Widget
  • Conclusion
5 - Pie Chart Widget
  • Introduction
  • Planning the Widget
  • Widget Properties
  • The OnCreate Handler
  • The OnPaint Handler
  • Responding to Mouse Events
  • Saving and Loading the Widget
  • Installing and Including the Widget in a Standalone
  • Documenting the Widget
  • Conclusion
6 - Modifying the Line Graph Widget
  • Introduction
  • Duplicating the Line Graph Widget
  • Additional Color Properties
  • Filling the area below the line
  • Adding graph marker mouse events
  • Conclusion
7 - Additional Resources
  • Extending LiveCode Guide
  • LiveCode Builder Language Reference
  • LiveCode Builder Style Guide
  • LiveCode Documentation Format
 
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