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MT4(build 625) hang-up -- OnChartEvent() { .. ChartSetSymbolPeriod() .. }

Why MT4(build 625) hang-up? === Step === (1) create a new chart (2) drag and drop Expert Advisor ( testEA ) onto the chart (3) repeat key press ( key is 'j' or 'k' ) (4) MT4 hang-up << text code (Expert Advisor) -- testEA.mq4 >> int OnInit () { return ( INIT_SUCCEEDED ); } void OnDeinit ( const

How to use Characters of Windings with the OBJ_LABEL object on MT4(build 610).

The following test code is not work on MT4(build 610). I want use Characters of Windings with the OBJ_LABEL object on MT4(build 610). (1) compile ( build 509 ) & execute ( build 509 ) -> OK (2) compile ( build 509 ) & execute ( build 610 ) -> OK (3) compile ( build 610 ) & execute ( build 610 ) ->