Hola.
No hace falta gritar tan alto.
Basta presionar F1 dentro del IDE.
Cita:
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Empezado por delphi help
Occurs whenever the DisplayText or Text properties of the field are referenced.
type TFieldGetTextEvent = procedure(Sender: TField; var Text: string; DisplayText: Boolean) of object;
property OnGetText: TFieldGetTextEvent;
Description
Write an OnGetText handler to perform custom processing for the DisplayText and Text properties. Use OnGetText to format the Value of the field differently when it must be edited from the format used when simply displaying the value, or use OnGetText to display something other than the field’s value when it is displayed.
The Sender parameter is the field component. The Text parameter receives the formatted text that is used by the DisplayText or Text property. The DisplayText parameter indicates whether the text will be used for display purposes only, or whether the string will be used for editing purposes.
If there is no OnGetText handler, the value of the DisplayText and Text properties is simply the value of the AsString property.
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Hasta luego.