protected void Button4_Click(object sender, EventArgs e)
{
RefOutExample refOutObj = new RefOutExample();
refOutObj.RefOutExtensionMethod(5);
TextBox3.Text = "After calling the RefOutExtension Method with the value 5,"
+ "the new value of outParam variable is :" + refOutObj.outParam;
}
protected void Button3_Click(object sender, EventArgs e)
{
RefOutExample refOutObj = new RefOutExample();
TextBox2.Text = "Variables: refParam = " + refOutObj.refParam
+ "\nrefArray[0] = " + refOutObj.refArray[0]
+ "\nwithoutRefParam = " + refOutObj.withoutRefParam
+ "\noutParam = " + refOutObj.outParam
+ "\n\nCalling the method by ref..";
refOutObj.RefMethod(refOutObj.refArray, ref refOutObj.refParam, refOutObj.withoutRefParam);
TextBox2.Text += "\nNew values of the original variables after calling RefMethod are,"
+ "\nrefParam = " + refOutObj.refParam
+ "\nrefArray[0] = " + refOutObj.refArray[0]
+ "\nand withoutRefParam = " + refOutObj.withoutRefParam
+ "\n\nNow calling the OutMethod..";
refOutObj.OutMethod(out refOutObj.outParam);
TextBox2.Text += "\nThe outParam variable was declared but not initialized"
+ " \nhowever, after calling the OutMethod, "
+ "\noutParam = " + refOutObj.outParam;
}
public static void RefOutExtensionMethod(this RefOutExample a, int value)
{
a.outParam += value;
}