// Token: 0x06001C86 RID: 7302 RVA: 0x000860FC File Offset: 0x000842FC
private void ChooseActiveBindingExpression(DependencyObject target)
{
int count = this.MutableBindingExpressions.Count;
int i;
for (i = 0; i < count; i++)
{
BindingExpressionBase bindingExpressionBase = this.MutableBindingExpressions[i];
if (bindingExpressionBase.StatusInternal == BindingStatusInternal.Inactive)
{
bindingExpressionBase.Activate();
}
if (bindingExpressionBase.StatusInternal == BindingStatusInternal.Active || bindingExpressionBase.UsingFallbackValue)
{
break;
}
}
int num = (i < count) ? i : -1;
if (num != this._activeIndex)
{
int activeIndex = this._activeIndex;
this._activeIndex = num;
base.AdoptProperties(this.ActiveBindingExpression);
WeakDependencySource[] newSources = BindingExpressionBase.CombineSources(-1, this.MutableBindingExpressions, this.AttentiveBindingExpressions, null, null);
base.ChangeSources(newSources);
if (num != -1)
{
for (i = activeIndex; i > num; i--)
{
this.MutableBindingExpressions[i].Deactivate();
}
}
}
}
// Token: 0x06001C75 RID: 7285 RVA: 0x00085E14 File Offset: 0x00084014
internal override void ChangeSourcesForChild(BindingExpressionBase bindingExpression, WeakDependencySource[] newSources)
{
int num = this.MutableBindingExpressions.IndexOf(bindingExpression);
if (num >= 0)
{
WeakDependencySource[] newSources2 = BindingExpressionBase.CombineSources(num, this.MutableBindingExpressions, this.AttentiveBindingExpressions, newSources, null);
base.ChangeSources(newSources2);
}
}
// Token: 0x06001C2A RID: 7210 RVA: 0x0008438C File Offset: 0x0008258C
internal override void ChangeSourcesForChild(BindingExpressionBase bindingExpression, WeakDependencySource[] newSources)
{
int num = this.MutableBindingExpressions.IndexOf(bindingExpression);
if (num >= 0)
{
WeakDependencySource[] commonSources = null;
if (base.UsesLanguage)
{
commonSources = new WeakDependencySource[]
{
new WeakDependencySource(base.TargetElement, FrameworkElement.LanguageProperty)
};
}
WeakDependencySource[] newSources2 = BindingExpressionBase.CombineSources(num, this.MutableBindingExpressions, this.MutableBindingExpressions.Count, newSources, commonSources);
base.ChangeSources(newSources2);
}
}
// Token: 0x06001C23 RID: 7203 RVA: 0x00083FF4 File Offset: 0x000821F4
private void AttachToContext(bool lastChance)
{
DependencyObject targetElement = base.TargetElement;
if (targetElement == null)
{
return;
}
bool flag = TraceData.IsExtendedTraceEnabled(this, TraceDataLevel.Attach);
this._converter = this.ParentMultiBinding.Converter;
if (this._converter == null && string.IsNullOrEmpty(base.EffectiveStringFormat))
{
TraceData.Trace(TraceEventType.Error, TraceData.MultiBindingHasNoConverter, this.ParentMultiBinding);
}
if (flag)
{
TraceData.Trace(TraceEventType.Warning, TraceData.AttachToContext(new object[]
{
TraceData.Identify(this),
lastChance ? " (last chance)" : string.Empty
}));
}
base.TransferIsDeferred = true;
bool flag2 = true;
int count = this.MutableBindingExpressions.Count;
for (int i = 0; i < count; i++)
{
if (this.MutableBindingExpressions[i].StatusInternal == BindingStatusInternal.Unattached)
{
flag2 = false;
}
}
if (!flag2 && !lastChance)
{
if (flag)
{
TraceData.Trace(TraceEventType.Warning, TraceData.ChildNotAttached(new object[]
{
TraceData.Identify(this)
}));
}
return;
}
if (base.UsesLanguage)
{
WeakDependencySource[] commonSources = new WeakDependencySource[]
{
new WeakDependencySource(base.TargetElement, FrameworkElement.LanguageProperty)
};
WeakDependencySource[] newSources = BindingExpressionBase.CombineSources(-1, this.MutableBindingExpressions, this.MutableBindingExpressions.Count, null, commonSources);
base.ChangeSources(newSources);
}
bool flag3 = base.IsOneWayToSource;
object newValue;
if (base.ShouldUpdateWithCurrentValue(targetElement, out newValue))
{
flag3 = true;
base.ChangeValue(newValue, false);
base.NeedsUpdate = true;
}
base.SetStatus(BindingStatusInternal.Active);
if (!flag3)
{
this.UpdateTarget(false);
return;
}
base.UpdateValue();
}
