MQL5 ReferenceStandard LibraryFilesCFileBinReadDouble OpenWriteCharWriteShortWriteIntegerWriteLongWriteFloatWriteDoubleWriteStringWriteCharArrayWriteShortArrayWriteIntegerArrayWriteLongArrayWriteFloatArrayWriteDoubleArrayWriteObjectReadCharReadShortReadIntegerReadLongReadFloatReadDoubleReadStringReadCharArrayReadShortArrayReadIntegerArrayReadLongArrayReadFloatArrayReadDoubleArrayReadObject ReadDouble Reads double type variable from file. bool ReadDouble( double& value ) Parameters value [in] Reference to the variable for placing read data. Return Value true - successful, false - cannot read the data. ReadFloat ReadString