protected override void OnInitialized(EventArgs e)
{
base.OnInitialized(e);
if (Children.Count == 0)
{
try
{
Loaded += OnExplorerFrameLoaded;
_frameContent = InitializeExplorerContent();
Children.Add(_frameContent);
// Hook up to the Explorer TreeView to Selection
ExplorerTreeView.SelectedItemChanged += OnTreeViewSelectionChanged;
// Bind the overall Explorer frame context to this class
_frameContent.DataContext = this;
// Bind the TreeView control to the ViewModel root
ReloadViewModel();
// Select the root node and update selection
ExplorerTreeRoot.IsSelected = true;
UpdateSelection();
}
catch (Exception ex)
{
Debug.Fail("Failed to initialize ExplorerFrame. Exception message: " + ex.Message);
}
}
}
private void Dispose(bool disposing)
{
if (disposing)
{
OnResetSearchCommand();
EditingContext = null;
_deferredExpansionAndCalculateAdorners.Dispose();
_deferredExpansionAndCalculateAdorners = null;
_deferredUpdateNextAndPreviousSearchResults.Dispose();
_deferredUpdateNextAndPreviousSearchResults = null;
UnhookScrollBarEvents(_vScrollBar);
_vScrollBar = null;
if (_frameTreeView != null)
{
_frameTreeView.ContextMenuOpening -= OnContextMenuOpening;
_frameTreeView.PreviewMouseDown -= OnTreeViewPreviewMouseDown;
_frameTreeView.PreviewMouseMove -= OnTreeViewPreviewMouseMove;
_frameTreeView.PreviewMouseUp -= OnTreeViewPreviewMouseUp;
_frameTreeView = null;
}
if (_frameContent != null)
{
_frameContent.Dispose();
_frameContent = null;
}
}
}
protected override void OnInitialized(EventArgs e)
{
base.OnInitialized(e);
if (Children.Count == 0)
{
try
{
Loaded += OnExplorerFrameLoaded;
_frameContent = InitializeExplorerContent();
Children.Add(_frameContent);
// Hook up to the Explorer TreeView to Selection
ExplorerTreeView.SelectedItemChanged += OnTreeViewSelectionChanged;
// Bind the overall Explorer frame context to this class
_frameContent.DataContext = this;
// Bind the TreeView control to the ViewModel root
ReloadViewModel();
// Select the root node and update selection
ExplorerTreeRoot.IsSelected = true;
UpdateSelection();
}
catch (Exception ex)
{
Debug.Fail("Failed to initialize ExplorerFrame. Exception message: " + ex.Message);
}
}
}
private void Dispose(bool disposing)
{
if (disposing)
{
OnResetSearchCommand();
EditingContext = null;
_deferredExpansionAndCalculateAdorners.Dispose();
_deferredExpansionAndCalculateAdorners = null;
_deferredUpdateNextAndPreviousSearchResults.Dispose();
_deferredUpdateNextAndPreviousSearchResults = null;
UnhookScrollBarEvents(_vScrollBar);
_vScrollBar = null;
if (_frameTreeView != null)
{
_frameTreeView.ContextMenuOpening -= OnContextMenuOpening;
_frameTreeView.PreviewMouseDown -= OnTreeViewPreviewMouseDown;
_frameTreeView.PreviewMouseMove -= OnTreeViewPreviewMouseMove;
_frameTreeView.PreviewMouseUp -= OnTreeViewPreviewMouseUp;
_frameTreeView = null;
}
if (_frameContent != null)
{
_frameContent.Dispose();
_frameContent = null;
}
}
}