本文整理自网络,侵删。
procedure TForm1.Memo1Click(Sender: TObject);
begin
Text := Format('当前列:%d, 当前行:%d', [Memo1.CaretPos.X, Memo1.CaretPos.Y]);
end;
//用 API 实现
procedure TForm1.Memo1Click(Sender: TObject);
var
LineY,LineX: Integer;
begin
LineY := SendMessage(Memo1.Handle,EM_LINEFROMCHAR,Memo1.SelStart,0);
LineX := SendMessage(Memo1.Handle,EM_LINEINDEX,LineY,0);
Text := '当前行:' + IntToStr(LineY) + '; ' + //0开始
'当前列:' + IntToStr(Memo1.SelStart - LineX) + '; ' + //0开始
'当前字符:' + IntToStr(Memo1.SelStart) + '. '; //包括#13#10
end;
相关阅读 >>
Delphi格式化函数format、formatdatetime和formatfloat
更多相关阅读请进入《Delphi》频道 >>