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Paramstr - returns one of the parameters used to run the current program system unit

function ParamStr ( ParmIndex : Integer ) : string; Description The ParamStr function returns one of the parameters from the command line used to invoke the current program. The ParamIndex parameter determines which parameter is returned: 0 : The execution drive/path/program 1 : Return the 1st parameter 2 : Return the 2nd parameter ... If there is no parameter value for the given index,an empty string is returned. Notes The related FindCmdLineSwitch function can be used to check for the presence of parameters, as starting with a control character, such as - or /. Related commands CmdLine Holds the execution text used to start the current program FindCmdLineSwitch Determine whether a certain parameter switch was passed ParamCount Gives the number of parameters passed to the current program Example code : Display command line parameters var cmd : string; i : Integer; begin // Before running this code, use the Run/parameters menu option // to set the following command line parameters : -parm1 -parm2 // Show these parameters - note that the 0th parameter is the // execution command on Windows for i := 0 to ParamCount do ShowMessage('Parameter '+IntToStr(i)+' = '+ParamStr(i)); end; Show full unit code Parameter 0 = C:\PROGRAM FILES\BORLAND\DELPHI7\PROJECTS\PROJECT1.EXE Parameter 1 = -parm1 Parameter 2 = -parm2