C#

BobJanova wrote:

a single central event source

public class SimpleClass : TheInterface {
    string TheInterface.iText { get; set; }
    void Test() {
        TheInterface intrf = this; //implicit cast works
        intrf.iText = "will work";
        //this.iText = "won't work";
        ((TheInterface)this).iText = "will work";
    } //Test
} //class SimpleClass

internal interface IFirst {
     string A { get; set; }
     int B { get; set; }
 } //interface IFirst

 internal interface ISecond {
     string C { get; set; }
     double D { get; set; }
 } //interface ISecond

 internal class Implementation : IFirst, ISecond {
     string IFirst.A { get; set; }
     int IFirst.B { get; set; }
     string ISecond.C { get; set; }
     double ISecond.D { get; set; }
 } //class Implementation

[Reference to TypeOf(Implementation)]
...
other methods
[Reference to TypeOf(IFirst)] -- reference to the code of IFirst points here
...
IFirst.A.Get
IFirst.A.Set
IFirst.B.Get
IFirst.B.Set
[Reference to TypeOf(ISecond)] -- reference to the code of ISecond points here
...
ISecond.C.Get
ISecond.C.Set
ISecond.D.Get
ISecond.D.Set
...

string url = "http://csmedia.mris.com/platinum/getmedia?ID=90217207979&LOOT=50045650620";
System.Net.WebClient wc = new System.Net.WebClient();
wc.DownloadFile(url, "test.jpg");