How to: Display Command Line Arguments (C# Programming Guide)
Arguments provided to an executable on the command-line are accessible through an optional parameter to Main. The arguments are provided in the form of an array of strings. Each element of the array contains one argument. White-space between arguments is removed. For example, consider these command-line invocations of a fictitious executable:
| Input on Command-line | Array of strings passed to Main |
|---|---|
|
executable.exe a b c |
"a" "b" "c" |
|
executable.exe one two |
"one" "two" |
|
executable.exe “one two” three |
"one two" "three" |
Example
This example displays the command line arguments passed to a command-line application. The output shown is for the first entry in the table above.
class CommandLine { static void Main(string[] args) { // The Length property provides the number of array elements System.Console.WriteLine("parameter count = {0}", args.Length); for (int i = 0; i < args.Length; i++) { System.Console.WriteLine("Arg[{0}] = [{1}]", i, args[i]); } } }
Output
parameter count = 3 Arg[0] = [a] Arg[1] = [b] Arg[2] = [c] | |
