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Fixes #929 Sometimes ListView throw a exception on the SelectedItem.

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BDisp
2020-09-30 09:25:17 +01:00
parent 6e8ef7fe57
commit bbf122aeb1
1 changed files with 6 additions and 4 deletions
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10
Terminal.Gui/Views/ListView.cs
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@@ -206,10 +206,12 @@ namespace Terminal.Gui {
public int SelectedItem {
get => selected;
set {
if (source == null || source.Count == 0)
if (source == null || source.Count == 0) {
return;
if (selected < 0 || selected >= source.Count)
}
if (value < 0 || value >= source.Count) {
throw new ArgumentException ("value");
}
selected = value;
OnSelectedChanged ();
}
@@ -466,7 +468,7 @@ namespace Terminal.Gui {
top++;
OnSelectedChanged ();
SetNeedsDisplay ();
} else if (lastSelectedItem == -1) {
} else if (selected == 0) {
OnSelectedChanged ();
SetNeedsDisplay ();
}
@@ -575,7 +577,7 @@ namespace Terminal.Gui {
return true;
}
return false;
return base.OnEnter (view);
}
///<inheritdoc/>