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why can't change the color

i want to draw some vertical line displayed on k line. the first time i write the code and use the color clrRed. Then now matter how i change the color like"clrBlue,clrGreen,clrYellow" ,the line always diaplayed in red. how to slove this problem? here is my code void OnStart () { ObjectCreate

why can't display text

i want to write text diaplayed on the main chart just below the k line .i read the help document and write the script code below but failed to display text. can anyone tell me how to solve this problem? void OnStart () { ObjectCreate ( 1 , "j" , 0 , OBJ_TEXT ,Time[ 1 ],Open[ 1 ]);

fail to subscribe signal

i want to subscribe signal but shows" The volume of copied trade operations may not coincide with the initial volume of trade operations at Provider side" how to solve this problem