ftp - Cannot convert 'double' to 'int' C# -

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i have code =>

var timer = new system.threading.timer((e) => {     upload(); }, null, 0, timespan.fromminutes(5).totalmilliseconds);

it supposed execute method every 5 minutes, keeps throwing error: cannot convert 'double' 'int'. making no sense because have had other strings in there "upload()", such "ftpfileuploader.upload()" , work fine. though don't want that... please help... in advance!

system.threading.timer takes integer, following code returns double

timespan.fromminutes(5).totalmilliseconds

so need cast integer:

(int)timespan.fromminutes(5).totalmilliseconds

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