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Re-apply lost ComboBox DisplayMember property #10

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Re-apply lost ComboBox DisplayMember property #10

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8 changes: 7 additions & 1 deletion DropDownControls/GroupedComboBox/GroupedComboBox.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -127,10 +127,16 @@ private enum RedrawWindowFlags : uint {
return (_bindingSource != null) ? _bindingSource.DataSource : null;
}
set {
// temporarily store the DisplayMember value as it is lost on _internalSource.Dispose()
string _displayMember = DisplayMember;

if (_internalSource != null) _internalSource.Dispose();
_internalSource = null;

if (value != null) {
// restore the lost DisplayMember value
DisplayMember = _displayMember;

if (value != null) {
// wrap the object in a binding source and listen for changes
_bindingSource = new BindingSource(value, String.Empty);
_bindingSource.ListChanged += new ListChangedEventHandler(mBindingSource_ListChanged);
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