/// <summary>
/// Called when properties on the <see cref="ControlGraphic.Subject"/> have changed.
/// </summary>
protected virtual void OnSubjectChanged(VisualStatePropertyKind propertyKind)
{
if (propertyKind == VisualStatePropertyKind.Geometry || propertyKind == VisualStatePropertyKind.Unspecified)
{
SetCalloutLocation();
}
}
/// <summary>
/// Called when properties on the <see cref="ControlGraphic.Subject"/> have changed.
/// </summary>
protected override sealed void OnSubjectChanged(VisualStatePropertyKind propertyKind)
{
if (propertyKind == VisualStatePropertyKind.Geometry)
{
if (this.DecoratedGraphic is IControlGraphic && SynchronizationContext.Current != null)
{
//we can't use the DelayedEventPublisher because that relies on the sync context,
//and we use graphics on worker threads for avi export ... so, we'll just do it custom.
lock (_syncLock)
{
_lastChange = Environment.TickCount;
}
if (_uiThreadContext == null)
{
_uiThreadContext = SynchronizationContext.Current;
ThreadPool.QueueUserWorkItem(DelayedEventThread);
}
Analyze(true);
}
else
{
// the roi is inactive, focused or selected, but not actively
// moving or stretching; just do the calculation immediately.
Analyze(false);
}
OnRoiChanged();
}
base.OnSubjectChanged(propertyKind);
}
/// <summary>
/// Initializes a new instance of the <see cref="VisualStateChangedEventArgs"/> class.
/// </summary>
/// <param name="graphic">The graphic whose visual state changed.</param>
/// <param name="propertyName">The name of the property that changed. </param>
/// <param name="propertyKind">The kind of the property that changed.</param>
public VisualStateChangedEventArgs(IGraphic graphic, string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
: base(propertyName)
{
_graphic = graphic;
_propertyKind = propertyKind;
}
/// <summary>
/// Called when properties on the <see cref="ControlGraphic.Subject"/> have changed.
/// </summary>
protected virtual void OnSubjectChanged(VisualStatePropertyKind propertyKind)
{
if (propertyKind == VisualStatePropertyKind.Geometry || propertyKind == VisualStatePropertyKind.Unspecified)
SetCalloutLocation();
}
/// <summary>
/// Fires the <see cref="VisualStateChanged"/> event.
/// </summary>
/// <param name="propertyName">The name of the property whose value changed.</param>
/// <param name="propertyKind">The kind of the property whose value changed.</param>
protected void NotifyVisualStateChanged(string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
{
this.OnVisualStateChanged(propertyName);
EventsHelper.Fire(_visualStateChanged, this, new VisualStateChangedEventArgs(this, propertyName, propertyKind));
}
/// <summary>
/// Fires the <see cref="VisualStateChanged"/> event.
/// </summary>
/// <param name="propertyName">The name of the property whose value changed.</param>
/// <param name="propertyKind">The kind of the property whose value changed.</param>
protected void NotifyVisualStateChanged(string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
{
OnVisualStateChanged(propertyName);
FireVisualStateChanged(new VisualStateChangedEventArgs(this, propertyName, propertyKind));
}
/// <summary>
/// Fires the <see cref="VisualStateChanged"/> event.
/// </summary>
/// <param name="propertyName">The name of the property whose value changed.</param>
/// <param name="propertyKind">The kind of the property whose value changed.</param>
protected void NotifyVisualStateChanged(string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
{
OnVisualStateChanged(propertyName);
FireVisualStateChanged(new VisualStateChangedEventArgs(this, propertyName, propertyKind));
}
/// <summary>
/// Fires the <see cref="VisualStateChanged"/> event.
/// </summary>
/// <param name="propertyName">The name of the property whose value changed.</param>
/// <param name="propertyKind">The kind of the property whose value changed.</param>
protected void NotifyVisualStateChanged(string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
{
this.OnVisualStateChanged(propertyName);
EventsHelper.Fire(_visualStateChanged, this, new VisualStateChangedEventArgs(this, propertyName, propertyKind));
}
/// <summary>
/// Initializes a new instance of the <see cref="VisualStateChangedEventArgs"/> class.
/// </summary>
/// <param name="graphic">The graphic whose visual state changed.</param>
/// <param name="propertyName">The name of the property that changed. </param>
/// <param name="propertyKind">The kind of the property that changed.</param>
public VisualStateChangedEventArgs(IGraphic graphic, string propertyName, VisualStatePropertyKind propertyKind = VisualStatePropertyKind.Unspecified)
: base(propertyName)
{
_graphic = graphic;
_propertyKind = propertyKind;
}
/// <summary>
/// Called when properties on the <see cref="ControlGraphic.Subject"/> have changed.
/// </summary>
protected override sealed void OnSubjectChanged(VisualStatePropertyKind propertyKind)
{
if (propertyKind == VisualStatePropertyKind.Geometry)
{
if (this.DecoratedGraphic is IControlGraphic && SynchronizationContext.Current != null)
{
//we can't use the DelayedEventPublisher because that relies on the sync context,
//and we use graphics on worker threads for avi export ... so, we'll just do it custom.
lock (_syncLock)
{
_lastChange = Environment.TickCount;
}
if (_uiThreadContext == null)
{
_uiThreadContext = SynchronizationContext.Current;
ThreadPool.QueueUserWorkItem(DelayedEventThread);
}
Analyze(true);
}
else
{
// the roi is inactive, focused or selected, but not actively
// moving or stretching; just do the calculation immediately.
Analyze(false);
}
OnRoiChanged();
}
base.OnSubjectChanged(propertyKind);
}