ToSourceBindingExpression<TSource, TValue>

A source-only binding that can optionally convert the incoming control value.

public sealed class ToSourceBindingExpression<TSource, TValue> : BindingExpression<TValue?> where TSource : class

Type parameter	Summary
(class) `TSource`	The root binding source type.
`TValue`	The source value type.

Methods

Converts an incoming control value before writing it to the source.

public WritableBindingExpression<TTarget?> ConvertFrom<TTarget>(
  Func<TTarget?, TValue> convert)

Parameter	Summary
`Func<TTarget?, TValue>` `convert`	Converts nullable control values to source values.

Type parameter	Summary
`TTarget`	The control value type.

Returns

Chooses when control changes are written to the source.

public WritableBindingExpression<TValue?> UpdateOn(
  UpdateTrigger trigger)

Parameter	Summary
`UpdateTrigger` `trigger`	When to write control changes.

Returns

WritableBindingExpression<TValue?>: The source-only binding with the selected trigger.

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