MQL5 リファレンス標準ライブラリファイルCFileBinReadDouble OpenWriteCharWriteShortWriteIntegerWriteLongWriteFloatWriteDoubleWriteStringWriteCharArrayWriteShortArrayWriteIntegerArrayWriteLongArrayWriteFloatArrayWriteDoubleArrayWriteObjectReadCharReadShortReadIntegerReadLongReadFloatReadDoubleReadStringReadCharArrayReadShortArrayReadIntegerArrayReadLongArrayReadFloatArrayReadDoubleArrayReadObject ReadDouble 파일에서 double 유형 변수 읽기. bool ReadDouble( double& value \) 매개변수 값 [in] 읽기 데이터를 배치하기 위한 변수에 대한 참조. 값 반환 성공하면 true, 데이터를 읽지 못하면 false. ReadFloat ReadString