private DependencyObject FindAncestorOfType(Type type, int level, DependencyObject d, bool isTracing)
{
if (type == null)
{
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.RefAncestorTypeNotSpecified);
}
return(null);
}
if (level < 1)
{
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.RefAncestorLevelInvalid);
}
return(null);
}
// initialize search to start at the parent of the given DO
FrameworkObject fo = new FrameworkObject(d);
fo.Reset(fo.GetPreferVisualParent(true).DO);
while (fo.DO != null)
{
if (isTracing)
{
TraceData.Trace(TraceEventType.Warning,
TraceData.AncestorLookup(
type.Name,
TraceData.Identify(fo.DO)));
}
if (type.IsInstanceOfType(fo.DO)) // found it!
{
if (--level <= 0)
{
break;
}
}
fo.Reset(fo.PreferVisualParent.DO);
}
return(fo.DO);
}
// Token: 0x06007608 RID: 30216 RVA: 0x0021A9AC File Offset: 0x00218BAC
private DependencyObject FindAncestorOfType(Type type, int level, DependencyObject d, bool isTracing)
{
if (type == null)
{
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.RefAncestorTypeNotSpecified);
}
return(null);
}
if (level < 1)
{
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.RefAncestorLevelInvalid);
}
return(null);
}
FrameworkObject frameworkObject = new FrameworkObject(d);
frameworkObject.Reset(frameworkObject.GetPreferVisualParent(true).DO);
while (frameworkObject.DO != null)
{
if (isTracing)
{
TraceData.Trace(TraceEventType.Warning, TraceData.AncestorLookup(new object[]
{
type.Name,
TraceData.Identify(frameworkObject.DO)
}));
}
if (type.IsInstanceOfType(frameworkObject.DO) && --level <= 0)
{
break;
}
frameworkObject.Reset(frameworkObject.PreferVisualParent.DO);
}
return(frameworkObject.DO);
}
