static string GetVersion( )
{
try
{
// see: https://stackoverflow.com/questions/19096841
System.Runtime.Versioning.TargetFrameworkAttribute target_framework_attribute =
(System.Runtime.Versioning.TargetFrameworkAttribute)
Assembly
.GetExecutingAssembly( )
.GetCustomAttributes(typeof(System.Runtime.Versioning.TargetFrameworkAttribute), false)
.SingleOrDefault( );
if (target_framework_attribute == null)
{
return(null);
}
return(Regex.Match(target_framework_attribute.FrameworkName, @"\d+(\.\d+)*", RegexOptions.ExplicitCapture | RegexOptions.Compiled).Value);
}
catch (Exception exc)
{
_ = exc;
if (Debugger.IsAttached)
{
Debugger.Break( );
}
return(null);
}
}
static void PrintTargetFramework()
{
Object[] ca = Assembly.GetEntryAssembly().GetCustomAttributes(false);
foreach (var item in ca)
{
if (item.GetType().FullName == "System.Runtime.Versioning.TargetFrameworkAttribute")
{
System.Runtime.Versioning.TargetFrameworkAttribute t = (System.Runtime.Versioning.TargetFrameworkAttribute)item;
Console.WriteLine("Current .NET Framework is: " + t.FrameworkDisplayName);
}
}
}
// Main entry point for the console application
static void Main(string[] args)
{
// Sample console application in C#
System.Runtime.Versioning.TargetFrameworkAttribute targetFramework =
(System.Runtime.Versioning.TargetFrameworkAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(
typeof(System.Runtime.Versioning.TargetFrameworkAttribute), false).SingleOrDefault();
string msgWelcome = String.Format("### C# console application, targetting {0} ###", targetFramework.FrameworkDisplayName);
Console.WriteLine(msgWelcome);
Console.WriteLine();
// Display some system information
DisplaySystemInformation();
// Display information about .NET versions installed
DisplayDotNetInfo();
// Show some information about this assembly
DisplayAssemblyInfo();
// Show information about another assembly
DisplayOtherAssemblyInfo();
// Show the arguments passed to this console application
Console.WriteLine("# Check for arguments #");
if (args.Length == 0)
Console.WriteLine(" No arguments supplied...");
else
{
// At least one argument supplied...
Console.WriteLine(" Number of arguments passed: {0}", args.Length);
// Attempt to convert the first parameter to an integer
int firstArgAsInt;
if (int.TryParse(args[0], out firstArgAsInt))
Console.WriteLine(" First argument is the integer \"{0}\"", firstArgAsInt);
else
Console.WriteLine(" First argument is NOT an integer");
// Now try to convert the first parameter as a floating point number
float firstArgAsFloat;
if (float.TryParse(args[0], out firstArgAsFloat))
Console.WriteLine(" First argument is the float \"{0:0.000}\"", firstArgAsFloat);
else
Console.WriteLine(" First argument is NOT a float");
}
Console.WriteLine("");
// Write a message over multiple lines
string msgMultiLine = ("This message will..." + Environment.NewLine + "...span multiple lines" + Environment.NewLine);
Console.WriteLine(msgMultiLine);
// Check whether we have a debugger attached
if (Debugger.IsAttached)
{
// Since there is a debugger attached, assume we are running from the IDE
Console.WriteLine("Debugger is attached! Press any key to exit...");
}
else
{
// Assume we aren't running from the IDE
Console.WriteLine("Debugger is NOT attached!");
}
//Console.WriteLine("Press any key to exit...");
Console.ReadKey(false);
}
