private void ReplaceElement(TreeViewItemLabeled oldElement, TreeViewItemLabeled newElement)
{
var originalParentIndex = _folderStructure.IndexOf(oldElement);
_folderStructure.RemoveAt(originalParentIndex);
_folderStructure.Insert(originalParentIndex, newElement);
}
private IEnumerable <TreeViewItemLabeled> GetAvalibleDrives()
{
var allDrives = DriveInfo.GetDrives();
foreach (var driveInfo in allDrives)
{
if (driveInfo.IsReady && (ShouldShowNonFixedDrives || driveInfo.DriveType == DriveType.Fixed))
{
TreeViewItemLabeled item;
try
{
item = new TreeViewItemLabeled
{
Header = string.Join(" ", driveInfo.Name, driveInfo.VolumeLabel),
Tag = driveInfo.Name,
IconSource = NativeMethods.GetLargeIcon(driveInfo.Name)
};
}
catch (Exception)
{
continue;
}
yield return(item);
}
}
}
private void ReplaceAllTopLevelElements(TreeViewItemLabeled childElement, FrameworkElement originalSender)
{
var parent = originalSender.Parent as TreeViewItemLabeled;
if (parent == null)
{
return;
}
var elementIndex = parent.Items.IndexOf(originalSender);
var originalParent = new TreeViewItemLabeled();
while (parent != null)
{
originalParent = parent;
parent.Items.RemoveAt(elementIndex);
parent.Items.Insert(elementIndex, childElement);
childElement = parent;
parent = childElement.Parent as TreeViewItemLabeled;
if (parent != null)
{
elementIndex = parent.Items.IndexOf(originalParent);
}
}
ReplaceElement(originalParent, childElement);
}
//Hack!
/// <summary>
/// Here we reset element content by raising Expanded/Collapsed event which causes element to reload it's contents
/// </summary>
/// <param name="element">Element to reset</param>
private static void ResetElementContent(TreeViewItemLabeled element)
{
element.IsExpanded = false;
element.IsExpanded = true;
}