1 write to _messageFilters
System.Windows.Forms (1)
System\Windows\Forms\Application.ThreadContext.cs (1)
210
_messageFilters
??= [];
8 references to _messageFilters
System.Windows.Forms (8)
System\Windows\Forms\Application.ThreadContext.cs (8)
216
if (
_messageFilters
.Count > 0 && filter is IMessageModifyAndFilter)
219
_messageFilters
.Insert(0, filter);
223
_messageFilters
.Add(filter);
680
if (
_messageFilters
is not null)
683
_messageFilters
.Remove(f);
860
if (
_messageFilters
is not null && !_filterSnapshotValid && _inProcessFilters == 0)
865
if (
_messageFilters
.Count > 0)
867
_messageFilterSnapshot.AddRange(
_messageFilters
);