ExpressionImpl

class ExpressionImpl(pointer: <Error class: unknown class><<Error class: unknown class>>) : Expression(source)

The ExpressionImpl type represents a native instance of the abstract Expression class.

Constructors

constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)

Creates a new instance of Expression for the provided CPointer.

val gtkExpressionPointer: <Error class: unknown class><<Error class: unknown class>>

open fun bind(target: <Error class: unknown class>, property: String, this: <Error class: unknown class>? = null): ExpressionWatch

Bind target's property named property to self.

open fun evaluate(this: <Error class: unknown class>? = null, value: <Error class: unknown class>): Boolean

Evaluates the given expression and on success stores the result in @value.

open fun getValueType(): <Error class: unknown class>

Gets the GType that this expression evaluates to.

Checks if the expression is static.

Acquires a reference on the given GtkExpression.

open fun unref()

Releases a reference on the given GtkExpression.

open fun watch(this: <Error class: unknown class>? = null, notify: ExpressionNotify): ExpressionWatch

Watch the given expression for changes.