protected override bool CreateChildren(bool diffOldChildren)
{
try
{
if (mergedPd.PropertyType.IsValueType || (Flags & GridEntry.FLAG_IMMUTABLE) != 0)
{
return(base.CreateChildren(diffOldChildren));
}
ChildCollection.Clear();
MultiPropertyDescriptorGridEntry[] mergedProps = MultiSelectRootGridEntry.PropertyMerger.GetMergedProperties(mergedPd.GetValues(objs), this, PropertySort, CurrentTab);
Debug.WriteLineIf(CompModSwitches.DebugGridView.TraceVerbose && mergedProps is null, "PropertyGridView: MergedProps returned null!");
if (mergedProps != null)
{
ChildCollection.AddRange(mergedProps);
}
bool fExpandable = Children.Count > 0;
if (!fExpandable)
{
SetFlag(GridEntry.FL_EXPANDABLE_FAILED, true);
}
return(fExpandable);
}
catch
{
return(false);
}
}
protected override bool CreateChildren(bool diffOldChildren)
{
try {
object[] rgobjs = (object[])objValue;
ChildCollection.Clear();
MultiPropertyDescriptorGridEntry[] mergedProps = PropertyMerger.GetMergedProperties(rgobjs, this, this.PropertySort, CurrentTab);
Debug.WriteLineIf(CompModSwitches.DebugGridView.TraceVerbose && mergedProps == null, "PropertyGridView: MergedProps returned null!");
if (mergedProps != null)
{
ChildCollection.AddRange(mergedProps);
}
bool fExpandable = this.Children.Count > 0;
if (!fExpandable)
{
//Debug.WriteLine("Object " + rgobjs[0].GetType().FullName + " is not expandable because it has no children");
SetFlag(GridEntry.FL_EXPANDABLE_FAILED, true);
}
CategorizePropEntries();
return(fExpandable);
}
catch {
return(false);
}
}
protected override bool CreateChildren(bool diffOldChildren)
{
try {
if (mergedPd.PropertyType.IsValueType || (Flags & GridEntry.FLAG_IMMUTABLE) != 0)
{
return(base.CreateChildren(diffOldChildren));
}
ChildCollection.Clear();
MultiPropertyDescriptorGridEntry[] mergedProps = MultiSelectRootGridEntry.PropertyMerger.GetMergedProperties(mergedPd.GetValues(objs), this, this.PropertySort, this.CurrentTab);
Debug.Assert(mergedProps != null, "MergedProps returned null!");
if (mergedProps != null)
{
ChildCollection.AddRange(mergedProps);
}
bool fExpandable = this.Children.Count > 0;
if (!fExpandable)
{
SetFlag(GridEntry.FL_EXPANDABLE_FAILED, true);
}
return(fExpandable);
}
catch (Exception) {
return(false);
}
}
protected override bool CreateChildren(bool diffOldChildren = false)
{
try
{
if (_mergedDescriptor.PropertyType.IsValueType || EntryFlags.HasFlag(Flags.Immutable))
{
return(base.CreateChildren(diffOldChildren));
}
ChildCollection.Clear();
var mergedProperties = MultiSelectRootGridEntry.PropertyMerger.GetMergedProperties(
_mergedDescriptor.GetValues(_objects),
this,
_propertySort,
OwnerTab);
Debug.WriteLineIf(
CompModSwitches.DebugGridView.TraceVerbose && mergedProperties is null,
"PropertyGridView: MergedProps returned null!");
if (mergedProperties is not null)
{
ChildCollection.AddRange(mergedProperties);
}
bool expandable = Children.Count > 0;
if (!expandable)
{
SetFlag(Flags.ExpandableFailed, true);
}
return(expandable);
}
catch (Exception e)
{
Debug.Fail(e.Message);
return(false);
}
}
internal void CategorizePropEntries()
{
if (Children.Count > 0)
{
GridEntry[] childEntries = new GridEntry[this.Children.Count];
this.Children.CopyTo(childEntries, 0);
if ((this.PropertySort & PropertySort.Categorized) != 0)
{
// first, walk through all the entires and
// group them by their category by adding
// them to a hashtable of arraylists.
//
Hashtable bins = new Hashtable();
for (int i = 0; i < childEntries.Length; i++)
{
GridEntry pe = childEntries[i];
Debug.Assert(pe != null);
if (pe != null)
{
string category = pe.PropertyCategory;
ArrayList bin = (ArrayList)bins[category];
if (bin == null)
{
bin = new ArrayList();
bins[category] = bin;
}
bin.Add(pe);
}
}
// now walk through the hashtable
// and create a categorygridentry for each
// category that holds all the properties
// of that category.
//
ArrayList propList = new ArrayList();
IDictionaryEnumerator enumBins = (IDictionaryEnumerator)bins.GetEnumerator();
while (enumBins.MoveNext())
{
ArrayList bin = (ArrayList)enumBins.Value;
if (bin != null)
{
string category = (string)enumBins.Key;
if (bin.Count > 0)
{
GridEntry[] rgpes = new GridEntry[bin.Count];
bin.CopyTo(rgpes, 0);
try {
propList.Add(new CategoryGridEntry(this.ownerGrid, this, category, rgpes));
}
catch {
}
}
}
}
childEntries = new GridEntry[propList.Count];
propList.CopyTo(childEntries, 0);
StringSorter.Sort(childEntries);
ChildCollection.Clear();
ChildCollection.AddRange(childEntries);
}
}
}
