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Basics

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API Reference

class: ConstantExpression

[12:7] extends: object

A constant value in a GtkExpression.

Members

  • handleObj
  • lib
  • retainedCallbacks
  • signalHandlerNames
  • signalSetterHandlers

Methods

  • ConstantExpression (value = null)

    Creates an expression that always evaluates to the given value.

    • @p value is a GValue.
  • toNativeHandle (Source)

    Normalizes a constructor argument into a raw pointer carrier. Accepts a raw NativeHandle, a raw NativeBuffer returned from fn.call(...), another generated wrapper exposing handle(), or null. Returns null when the argument carries no pointer.

    • @p Source is the raw handle, raw buffer, wrapper, or null.
    • @r A raw pointer carrier or null when no pointer is present.
  • getLib ()

    Returns the opened native library for this generated wrapper.

    • @r The opened native library.
  • handle ()

    Returns the wrapped NativeHandle.

    • @r The wrapped NativeHandle.
  • isNull ()

    Returns true when the wrapped handle is null.

    • @r A bool.
  • describe ()

    Returns a small string for debugging generated wrappers.

    • @r A string.
  • asExpression ()

    Wraps this handle as Expression.

    • @r A Expression object.
  • get_value ()

    Gets the value that a constant expression evaluates to.