public void Refresh()
{
try {
// clear ListView
listView.ItemsSource = null;
ScrollViewer listViewScroller = listView.GetScrollViewer();
if (listViewScroller != null)
{
listViewScroller.ScrollToVerticalOffset(0);
}
Value shownValue = null;
ICSharpCode.NRefactory.Ast.Expression shownExpr = null;
try {
shownExpr = debuggerService.GetExpression(txtExpression.Text);
shownValue = shownExpr.Evaluate(debuggerService.DebuggedProcess);
} catch (GetValueException e) {
MessageService.ShowMessage(e.Message);
}
if (shownValue != null && !shownValue.IsNull)
{
GridValuesProvider gridValuesProvider;
// Value is IList
DebugType iListType, listItemType;
if (shownValue.Type.ResolveIListImplementation(out iListType, out listItemType))
{
gridValuesProvider = CreateListValuesProvider(shownExpr.CastToIList(), listItemType);
}
else
{
// Value is IEnumerable
DebugType iEnumerableType, itemType;
if (shownValue.Type.ResolveIEnumerableImplementation(out iEnumerableType, out itemType))
{
DebugType debugListType;
var debugListExpression = DebuggerHelpers.CreateDebugListExpression(shownExpr, itemType, out debugListType);
gridValuesProvider = CreateListValuesProvider(debugListExpression, itemType);
}
else
{
// Not IList or IEnumerable<T> - can't be displayed in GridVisualizer
return;
}
}
IList <MemberInfo> itemTypeMembers = gridValuesProvider.GetItemTypeMembers();
InitializeColumns((GridView)this.listView.View, itemTypeMembers);
this.columnHider = new GridViewColumnHider((GridView)this.listView.View);
cmbColumns.ItemsSource = this.columnHider.HideableColumns;
}
} catch (GetValueException e) {
MessageService.ShowMessage(e.Message);
} catch (DebuggerVisualizerException e) {
MessageService.ShowMessage(e.Message);
}
}
public static IEnumerable<TreeNode> LazyGetItemsOfIList(TreeNode parent, Expression targetObject)
{
// Add a cast, so that we are sure the expression has an indexer.
// (The expression can be e.g. of type 'object' but its value is a List.
// Without the cast, evaluating "expr[i]" would fail, because object does not have an indexer).
targetObject = targetObject.CastToIList();
int count = 0;
GetValueException error = null;
try {
count = targetObject.GetIListCount();
} catch (GetValueException e) {
// Cannot yield a value in the body of a catch clause (CS1631)
error = e;
}
if (error != null) {
yield return new TreeNode(null, "(error)", error.Message, null, null, null);
} else if (count == 0) {
yield return new TreeNode(null, "(empty)", null, null, null, null);
} else {
for(int i = 0; i < count; i++) {
string imageName;
var image = ExpressionNode.GetImageForArrayIndexer(out imageName);
var itemNode = new ExpressionNode(parent, image, "[" + i + "]", targetObject.AppendIndexer(i));
itemNode.ImageName = imageName;
yield return itemNode;
}
}
}
public void Refresh()
{
try {
// clear ListView
listView.ItemsSource = null;
ScrollViewer listViewScroller = listView.GetScrollViewer();
if (listViewScroller != null)
{
listViewScroller.ScrollToVerticalOffset(0);
}
Value shownValue = null;
ICSharpCode.NRefactory.Ast.Expression shownExpr = null;
try {
shownExpr = debuggerService.GetExpression(txtExpression.Text);
shownValue = shownExpr.Evaluate(debuggerService.DebuggedProcess);
} catch (GetValueException) {
// display ex.Message
}
if (shownValue != null && !shownValue.IsNull)
{
GridValuesProvider gridValuesProvider;
// Value is IList
DebugType iListType, listItemType;
if (shownValue.Type.ResolveIListImplementation(out iListType, out listItemType))
{
gridValuesProvider = CreateListValuesProvider(shownExpr.CastToIList(), listItemType);
}
else
{
// Value is IEnumerable
DebugType iEnumerableType, itemType;
if (shownValue.Type.ResolveIEnumerableImplementation(out iEnumerableType, out itemType))
{
// original
/*var lazyListViewWrapper = new LazyItemsControl<ObjectValue>(this.listView, initialIEnumerableItemsCount);
* var enumerableValuesProvider = new EnumerableValuesProvider(val.ExpressionTree, iEnumerableType, itemType);
* lazyListViewWrapper.ItemsSource = new VirtualizingIEnumerable<ObjectValue>(enumerableValuesProvider.ItemsSource);
* gridValuesProvider = enumerableValuesProvider;*/
DebugType debugListType;
var debugListExpression = DebuggerHelpers.CreateDebugListExpression(shownExpr, itemType, out debugListType);
gridValuesProvider = CreateListValuesProvider(debugListExpression, itemType);
}
else
{
// Value cannot be displayed in GridVisualizer
return;
}
}
IList <MemberInfo> itemTypeMembers = gridValuesProvider.GetItemTypeMembers();
InitializeColumns((GridView)this.listView.View, itemTypeMembers);
this.columnHider = new GridViewColumnHider((GridView)this.listView.View);
cmbColumns.ItemsSource = this.columnHider.HideableColumns;
}
} catch (GetValueException) {
// display ex msg
} catch (DebuggerVisualizerException) {
// display ex msg
}
}
void LoadNodeCollectionContent(AbstractNode node, Expression thisObject, DebugType iListType)
{
thisObject = thisObject.CastToIList();
int listCount = thisObject.GetIListCount();
PropertyInfo indexerProp = iListType.GetProperty("Item");
for (int i = 0; i < listCount; i++) {
Expression itemExpr = thisObject.AppendIndexer(i);
PropertyNode itemNode = new PropertyNode(
new ObjectGraphProperty { Name = "[" + i + "]", MemberInfo = indexerProp, Expression = itemExpr, Value = "", IsAtomic = true, TargetNode = null });
node.AddChild(itemNode);
}
}
