public void OnLoadNextLevel(NodeLoader loader)
{
if (!_nextLevelLoaded)
{
_nextLevelLoaded = true;
WixIconCollection icons = this.IconNodes;
if (icons != null && icons.Icons.Count > 0)
{
ImageList imgs = null;
if (this.TreeView != null)
{
imgs = this.TreeView.ImageList;
}
foreach (WixIconNode ico in icons.Icons)
{
int idx = -1;
if (imgs != null)
{
if (!string.IsNullOrEmpty(ico.SourceFile))
{
if (File.Exists(ico.SourceFile))
{
Image img = Image.FromFile(ico.SourceFile);
imgs.Images.Add(img);
idx = imgs.Images.Count - 1;
}
}
}
TreeNodeWixIcon iconNode = new TreeNodeWixIcon(ico, idx);
Nodes.Add(iconNode);
}
}
}
}
private void mnu_addIcon(object sender, EventArgs e)
{
WixIconNode ico = this.IconNodes.AddIcon();
if (_nextLevelLoaded)
{
TreeNodeWixIcon iconNode = new TreeNodeWixIcon(ico, -1);
Nodes.Add(iconNode);
this.TreeView.SelectedNode = iconNode;
}
else
{
this.Expand();
if (this.TreeView != null)
{
for (int i = 0; i < this.Nodes.Count; i++)
{
TreeNodeWixIcon iconNode = this.Nodes[i] as TreeNodeWixIcon;
if (iconNode != null)
{
if (string.CompareOrdinal(iconNode.IconNode.Id, ico.Id) == 0)
{
this.TreeView.SelectedNode = iconNode;
break;
}
}
}
}
}
TreeViewWix tv = this.TreeView as TreeViewWix;
if (tv != null)
{
tv.OnPropertyValueChanged();
}
}
