/// <summary>
/// Handles the <see cref="Changing"/> event
/// </summary>
protected virtual void OnChanging(BindingChangingEventArgs e)
{
if (Changing != null)
{
Changing(this, e);
}
}
/// <summary>
/// Sets the specified value to an object using this binding
/// </summary>
/// <remarks>
/// This is called to set the value to the object. Implementors of this binding
/// woulc implement logic in <see cref="InternalSetValue"/>.
/// </remarks>
/// <param name="dataItem">object to set the value to</param>
/// <param name="value">value to set to the object</param>
public void SetValue(object dataItem, T value)
{
var args = new BindingChangingEventArgs(value);
OnChanging(args);
InternalSetValue(dataItem, (T)args.Value);
OnChanged(new BindingChangedEventArgs(args.Value));
}
/// <summary>
/// Sets the destination object's property with the value of the source
/// </summary>
public void SetDestination()
{
if (!channeling)
{
channeling = true;
var value = Source.DataValue;
var args = new BindingChangingEventArgs(value);
OnChanging(args);
if (!args.Cancel)
{
Destination.DataValue = value;
OnChanged(new BindingChangedEventArgs(value));
}
channeling = false;
}
}
/// <summary>
/// Handles the <see cref="Changing"/> event
/// </summary>
protected virtual void OnChanging(BindingChangingEventArgs e)
{
if (Changing != null)
Changing(this, e);
}
