C#

*
._sln
.txt
.rar

"notepad.exe" "%1"

HKEY_CLASSES_ROOT
    ->  .fil
        * (Default) = filfile
    ->  filfile
        * (Default) = fil File
        ->  shell
            ->  open
                * (Default) = Open this fil file with MyApp
                ->  command
                    * (Default) = "C:\Path To MyApp\MyApp.exe" "%1"

Set objReg = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & strComputer & "\root\default:StdRegProv")<br />
objReg.SetStringValue HKEY_LOCAL_MACHINE,strPointerKey,strPointerEntry,strPointerValue<br />
objReg.CreateKey HKEY_LOCAL_MACHINE,strMyKey

RegistryKey LM = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine,WSID);<br />
RegistryKey inventoryKeys = LM.OpenSubKey("SOFTWARE\\CompanyName\\AppName");<br />
inventoryKeys.SetValue("ValueName","Value");

<code>string[] mainArgs;

public static void Main(string[] args)
{
mainArgs = args;
Application.Run(new Form1());
}

public void do_it()
{
int i;
for (i=0; i
textBox1.Text += mainArgs[i];
}</code>

static string[] mainArgs;

public static void Main(string[] args) 
{
	do_it(args);
	Application.Run(new Form1());
} 

public static void do_it(string[] args)
{
	// use your args here
}

[STAThread]
public static void Main(string[] args)
{
    Application.EnableVisualStyles();
    Application.DoEvents();
    Application.Run(new myForm(args));
}

public class myForm : Form {

    public myForm(string[] args)
    {
        InitializeComponent();

        if (args != null && args.Length > 0)
        {
            for (int i = 0; i < args.Length; i++)
            {
                this.txt.Text += args[i];
            }
        }
    }
    // leave this method for the designer
    private myForm()
    {
        InitializeComponent();
    }

    //
    // rest of code
    //

}

<enum type> type = <enum type>.<default value>;
try 
{
	typeFromDb = int.Parse(<raw value read from the database>.ToString());
	if (Enum.IsDefined(typeof( <enum type> ), typeFromDb))
		type = ( <enum type> )typeFromDb;
}
catch {}

// Retrieve the column value
object colValue = GetColumnValueAtRow(Source, Rownum);

// Cast the value to get the enum text
string colText = Enum.GetName( this.enumType, colValue );

// Cast back from the text to the enum value and assign to the selected item
Combo.SelectedItem = Enum.Parse( this.enumType, colText );