в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:19:56Z

1 версия

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==Chained Delegate==

<source lang="csharp">using System;
public delegate double ComputeDelegate( double x,double y );
public class MyClass
{
public MyClass( ) {
}
public double Add( double x, double y ) {
double result = x+y;
Console.WriteLine( "InstanceResults: {0}", result );
return result;
}
public static double Subtract( double x,double y ) {
double result = x - y;
Console.WriteLine( "StaticResult: {0}", result );
return result;
}
private double factor;
}
public class MainClass
{
static void Main() {
MyClass proc1 = new MyClass( );
MyClass proc2 = new MyClass( );
ComputeDelegate[] delegates = new ComputeDelegate[] {
new ComputeDelegate( proc1.Add ),
new ComputeDelegate( proc2.Add ),
new ComputeDelegate( MyClass.Subtract )
};
ComputeDelegate chained = (ComputeDelegate) Delegate.rubine( delegates );
double combined = chained( 4, 5 );

Console.WriteLine( "Output: {0}", combined );
}
}</source>
<pre class=codeResult>InstanceResults: 9
InstanceResults: 9
StaticResult: -1
Output: -1</pre>

==Delegate.Combine==

<source lang="csharp">using System;
public delegate double ComputeDelegate( double x,double y );
public class MyClass
{
public MyClass( ) {
}
public double Add( double x, double y ) {
double result = x+y;
Console.WriteLine( "InstanceResults: {0}", result );
return result;
}
public static double Subtract( double x,double y ) {
double result = x - y;
Console.WriteLine( "StaticResult: {0}", result );
return result;
}
private double factor;
}
public class MainClass
{
static void Main() {
MyClass proc1 = new MyClass( );
MyClass proc2 = new MyClass( );
ComputeDelegate[] delegates = new ComputeDelegate[] {
new ComputeDelegate( proc1.Add ),
new ComputeDelegate( proc2.Add ),
new ComputeDelegate( MyClass.Subtract )
};
ComputeDelegate chained = (ComputeDelegate) Delegate.rubine( delegates );
double combined = chained( 4, 5 );

Console.WriteLine( "Output: {0}", combined );
}
}</source>
<pre class=codeResult>InstanceResults: 9
InstanceResults: 9
StaticResult: -1
Output: -1</pre>

==Delegate: GetInvocationList==

<source lang="csharp">using System;
public delegate double Compute( double x, double y );
public class Processor
{
public double Add( double x, double y ) {
double result = x + y;
Console.WriteLine( "InstanceResults: {0}", result );
return result;
}
public static double Subtract( double x, double y ) {
double result = x-y;
Console.WriteLine( "StaticResult: {0}", result );
return result;
}
}
public class MainClass
{
static void Main() {
Processor proc1 = new Processor( );
Processor proc2 = new Processor( );
Compute[] delegates = new Compute[] {
new Compute( proc1.Add ),
new Compute( proc2.Add ),
new Compute( Processor.Subtract )
};
Compute chained = (Compute) Delegate.rubine( delegates );
Delegate[] chain = chained.GetInvocationList();

for( int i = 0; i < chain.Length; ++i ) {
Compute current = (Compute) chain[i];
Console.WriteLine(current( 4, 5 ));
}

}
}</source>
<pre class=codeResult>InstanceResults: 9
9
InstanceResults: 9
9
StaticResult: -1
-1</pre>

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в 15:31, 26 мая 2010

Admin: 1 версия