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:bug:修复模式选择下拉框的崩溃bug

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Amazing_DM
2020-05-15 20:02:15 +08:00
parent f71b319741
commit debfa76ea2
3 changed files with 61 additions and 52 deletions
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101
NetchLib/SearchComboBox.cs
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@@ -82,69 +82,76 @@ namespace System.Windows.Forms
private object[] newList;
private void ReevaluateCompletionList()
{
var currentSearchTerm = Text.ToLowerInvariant();
if (currentSearchTerm == _previousSearchTerm) return;
_previousSearchTerm = currentSearchTerm;
try
{
SuspendLayout();
var originalList = (object[])Tag;
if (originalList == null)
{
Tag = originalList = Items.Cast<object>().ToArray();
}
if (string.IsNullOrEmpty(currentSearchTerm))
{
if (Items.Count == originalList.Length) return;
newList = originalList;
}
else
{
newList = originalList.Where(x => x.ToString().ToLowerInvariant().Contains(currentSearchTerm)).ToArray();
}
var currentSearchTerm = Text.ToLowerInvariant();
if (currentSearchTerm == _previousSearchTerm) return;
_previousSearchTerm = currentSearchTerm;
try
{
while (Items.Count > 0)
SuspendLayout();
var originalList = (object[])Tag;
if (originalList == null)
{
Items.RemoveAt(0);
Tag = originalList = Items.Cast<object>().ToArray();
}
}
catch
{
if (string.IsNullOrEmpty(currentSearchTerm))
{
if (Items.Count == originalList.Length) return;
newList = originalList;
}
else
{
newList = originalList.Where(x => x.ToString().ToLowerInvariant().Contains(currentSearchTerm)).ToArray();
}
try
{
Items.Clear();
while (Items.Count > 0)
{
Items.RemoveAt(0);
}
}
catch
{
// ignored
try
{
Items.Clear();
}
catch
{
// ignored
}
}
}
Items.AddRange(newList.ToArray());
Items.AddRange(newList.ToArray());
}
finally
{
if (currentSearchTerm.Length >= 2 && !DroppedDown)
{
DroppedDown = true;
Cursor.Current = Cursors.Default;
Text = currentSearchTerm;
Select(currentSearchTerm.Length, 0);
}
if (Items.Count > 0)
{
DroppedDown = false;
DroppedDown = true;
}
ResumeLayout(true);
}
}
finally
catch
{
if (currentSearchTerm.Length >= 2 && !DroppedDown)
{
DroppedDown = true;
Cursor.Current = Cursors.Default;
Text = currentSearchTerm;
Select(currentSearchTerm.Length, 0);
}
if (Items.Count > 0)
{
DroppedDown = false;
DroppedDown = true;
}
ResumeLayout(true);
// ignored
}
}
}