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...convert letters of an Editbox to uppercase?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (6):  
     


{
  Converts the first letter of an EditBox to UpperCase:

  Wandelte jeweils das erste Zeichen in einer Editbox in
  einen Grossbuchstaben um.
}

procedure TForm1.Edit1Change(Sender: TObject);
var
  
OldStart: Integer;
begin
  with 
Edit1 do
    if 
Text <> '' then
    begin
      
OnChange  := nil;
      OldStart  := SelStart;
      Selstart  := 0;
      Sellength := 1;
      Seltext   := AnsiUpperCase(Text[1]);
      SelStart  := OldStart;
      OnChange  := Edit1Change;
    end;
end;


{
 To convert the fist three letters to uppercase you could write:
 Um die ersten drei Zeichen jeweils in Grossbuchstaben anzuzeigen:
}

 
Selstart := 0;
 SelLength := 3;
 SelText := AnsiUpperCase(Copy(Text, 1, 3));


 

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