C#

namespace Testing_Functions
{
    class Addition
    {
        public Double Test(Double Val1, Double Val2, Double Val3)
        {
            Double Test_Val = Val1 + Val2 + Val3;
            return Test_Val;
        }
    }
}

Addition a = new Addition();
Double Result = a.Test(A,B,C);

public static Double Test(Double Val1, Double Val2, Double Val3)

Double Result = new Program().Test(A,B,C);

Program program = new Program();
Double Result = program.Test(A,B,C);

delegate void SetStatus(string text);

private void SetStatusStrip(string text){
 Invoke(text => {
     // do some work
   }, new object[] { text } );  
}

internal delegate void SetStatus(string Text);

private void SetStatusStrip(string Text)
{
	SetStatus d = new SetStatus(() => {
		// Do some work.
		});
	this.Invoke(d, new object[] {Text});
}

SetStatus d = new SetStatus( (string myText) =>
        {
            // Do some work
        });
        this.Invoke(d, new object[] { _text });

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