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Convert a string to a QWord.
Source position: sysstrh.inc line 135
function StrToQWord(  | 
const s: string  | 
):QWord;  | 
TryStrToQWord converts the string S to a valid QWord (unsigned 64-bit) value, and returns the result.
If the string S does not contain a valid QWord value, a EConvertError exception is raised.
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Try to convert a string to a QWord value, and report on success  | 
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Try to convert a string to a QWord, returning a default value in case of failure.  | 
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Convert a string to an Int64 value.  | 
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Convert a string to an integer value.  |