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Playsound error in MQL4

Playsound in MT4 MQL4 has a bad error: Playsound does not work inside of loops. .. Playsound ("catsway"); // works well for (i=0; i...; i++) { if (i==...) // about once per hour { Playsound (dog.wav") // never works } Who can help me with an idea or better a workaround. Please send me an

MQL4 Write contents of a buffer into a text file

MQL4: How to read the contents of one buffer (my own indicator) and write all values to a text file? MQL5 has "GetBuffers" but I am programing in MQL4. Thanks for any help. Ralph