Defining Custom Variants Index

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Topics

• Defining Custom Variant Types
• Storing the Data of a Custom Variant Type
• Creating a Class to Enable the Custom Variant Type
  • Enabling Casting
  • Implementing Binary Operations
  • Implementing Comparison Operations
  • Implementing Unary Operations
• Copying and Clearing Custom Variants
  • Loading and Saving Custom Variant Values
  • Using the TCustomVariantType Descendant
• Writing Utilities to Work with a Custom Variant Type
• Supporting Properties and Methods in Custom Variants