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RAD Studio VCL Reference
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TField.FocusControl Method
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RAD Studio VCL Reference
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Forces a form's focus to the first data-aware component associated with the field object.
procedure FocusControl;
__fastcall FocusControl();
Call FocusControl to switch the focus of the form to a data-aware control associated with the field. Because it is possible that the field's value can change even if its associated data-aware control does not have the focus, calling FocusControl can aid in drawing attention to a new value when it fails to be validated.
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Description