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function ParamStr(Pos : Integer): string
Returns the specified command-line parameter.
When called with Pos=0, returns the application path name. Parameters are numbered from 1 to ParamCount. Delphi uses space character to break command line parameters; use double quotes around text that contains space characters (long file names).
var PathAppName : string;
PathAppName:=ParamStr(0);
if Paramstr(1)='' then
ShowMessage('Application: ' + PathAppName + ' called
with zero parameters;
one or more parameters required!);
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Run with Parameters
How to pass command-line parameters to your Delphi application and how to handle them.
ParamCount,
CmdLine,
FindCmdLineSwitch
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