https://help.syncfusion.com/cr/wpf/Syncfusion.Windows.Controls.Input.SfTextBoxExt.SuggestionPredicate-1.html
Delegate SfTextBoxExt.SuggestionPredicateT - WPF API Reference | Syncfusion
Returns a value based on SuggestionPredicate
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https://www.syncfusion.com/forums/154197/sftextboxext-selection-not-working-in-sfdatagrid
SfTextBoxExt selection not working in SfD... | WPF Forums | Syncfusion
Forum Thread - SfDataGrid - SfTextBoxExt selection not working in SfDataGrid. Browse other users' questions about our WPF SfDataGrid components.
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