/// <summary>Locks this style and all factories and triggers so they cannot be changed.</summary>
// Token: 0x060008DB RID: 2267 RVA: 0x0001CA5C File Offset: 0x0001AC5C
public void Seal()
{
base.VerifyAccess();
if (this._sealed)
{
return;
}
if (this._targetType == null)
{
throw new InvalidOperationException(SR.Get("NullPropertyIllegal", new object[]
{
"TargetType"
}));
}
if (this._basedOn != null && Style.DefaultTargetType != this._basedOn.TargetType && !this._basedOn.TargetType.IsAssignableFrom(this._targetType))
{
throw new InvalidOperationException(SR.Get("MustBaseOnStyleOfABaseType", new object[]
{
this._targetType.Name
}));
}
if (this._setters != null)
{
this._setters.Seal();
}
if (this._visualTriggers != null)
{
this._visualTriggers.Seal();
}
this.CheckForCircularBasedOnReferences();
if (this._basedOn != null)
{
this._basedOn.Seal();
}
if (this._resources != null)
{
this._resources.IsReadOnly = true;
}
this.ProcessSetters(this);
StyleHelper.AddEventDependent(0, this.EventHandlersStore, ref this.EventDependents);
this.ProcessSelfStyles(this);
this.ProcessVisualTriggers(this);
StyleHelper.SortResourceDependents(ref this.ResourceDependents);
this._sealed = true;
base.DetachFromDispatcher();
}
/// <summary>
/// This Style and all factories/triggers are now immutable
/// </summary>
public void Seal()
{
// Verify Context Access
VerifyAccess();
// 99% case - Style is already sealed.
if (_sealed)
{
return;
}
// Most parameter checking is done as "upstream" as possible, but some
// can't be checked until Style is sealed.
if (_targetType == null)
{
throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "TargetType"));
}
if (_basedOn != null)
{
if (DefaultTargetType != _basedOn.TargetType &&
!_basedOn.TargetType.IsAssignableFrom(_targetType))
{
throw new InvalidOperationException(SR.Get(SRID.MustBaseOnStyleOfABaseType, _targetType.Name));
}
}
// Seal setters
if (_setters != null)
{
_setters.Seal();
}
// Seal triggers
if (_visualTriggers != null)
{
_visualTriggers.Seal();
}
// Will throw InvalidOperationException if we find a loop of
// BasedOn references. (A.BasedOn = B, B.BasedOn = C, C.BasedOn = A)
CheckForCircularBasedOnReferences();
// Seal BasedOn Style chain
if (_basedOn != null)
{
_basedOn.Seal();
}
// Seal the ResourceDictionary
if (_resources != null)
{
_resources.IsReadOnly = true;
}
//
// Build shared tables
//
// Process all Setters set on the selfStyle. This stores all the property
// setters on the current styles into PropertyValues list, so it can be used
// by ProcessSelfStyle in the next step. The EventSetters for the current
// and all the basedOn styles are merged into the EventHandlersStore on the
// current style.
ProcessSetters(this);
// Add an entry in the EventDependents list for
// the TargetType's EventHandlersStore. Notice
// that the childIndex is 0.
StyleHelper.AddEventDependent(0, this.EventHandlersStore, ref EventDependents);
// Process all PropertyValues (all are "Self") in the Style
// chain (base added first)
ProcessSelfStyles(this);
// Process all TriggerBase PropertyValues ("Self" triggers
// and child triggers) in the Style chain last (highest priority)
ProcessVisualTriggers(this);
// Sort the ResourceDependents, to help avoid duplicate invalidations
StyleHelper.SortResourceDependents(ref ResourceDependents);
// All done, seal self and call it a day.
_sealed = true;
// Remove thread affinity so it can be accessed across threads
DetachFromDispatcher();
}
