public void SyncFilters()
{
// get a list of all standard Direct Show Filter Categories
List <DsDevice> categories = new List <DsDevice>(DirectShowLib.DsDevice.GetDevicesOfCat(FilterCategory.ActiveMovieCategories));
// find tree nodes that haven't been created for a category yet
foreach (DsDevice dev in categories)
{
if (GetParentNodeByName(dev.Name) == null)
{
// create the IDSFilterCollection for this category
TreeNode tn = new TreeNode(dev.Name);
tn.Tag = new StandardFilterCategory(dev);
Nodes.Add(tn);
}
}
this.BeginUpdate();
foreach (TreeNode tn in Nodes)
{
IDSFilterCollection categoryCollection = (IDSFilterCollection)tn.Tag;
// sync the filters in the filter collection with the tree view
categoryCollection.SyncTreeNodes(tn.Nodes);
}
Sort();
this.EndUpdate();
}
public void AddCategory(IDSFilterCollection categoryCollection)
{
// create a parent node for the filter collection
TreeNode tn = new TreeNode(categoryCollection.CategoryName);
tn.Tag = categoryCollection;
Nodes.Add(tn);
}
