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Sep 26, 2019
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backing out Random.xml sample Try. NET changes #1563

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30448fb
updating for Try .NET
WilliamAntonRohm Sep 24, 2019
4edc85f
backing out Try .NET changes
WilliamAntonRohm Sep 24, 2019
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155 changes: 77 additions & 78 deletions snippets/csharp/VS_Snippets_CLR_System/system.Random.Ctor/CS/ctor.cs
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Original file line number Diff line number Diff line change
@@ -1,13 +1,52 @@
// Example of the Random class constructors and Random.NextDouble( )
//<Snippet1>
// Example of the Random class constructors and Random.NextDouble( )
// method.
using System;
using System.Threading;

public class RandomObjectDemo
{
// Generate random numbers from the specified Random object.
static void RunIntNDoubleRandoms( Random randObj )
{
// Generate the first six random integers.
for( int j = 0; j < 6; j++ )
Console.Write( " {0,10} ", randObj.Next( ) );
Console.WriteLine( );

// Generate the first six random doubles.
for( int j = 0; j < 6; j++ )
Console.Write( " {0:F8} ", randObj.NextDouble( ) );
Console.WriteLine( );
}

// Create a Random object with the specified seed.
static void FixedSeedRandoms( int seed )
{
Console.WriteLine(
"\nRandom numbers from a Random object with " +
"seed = {0}:", seed );
Random fixRand = new Random( seed );

RunIntNDoubleRandoms( fixRand );
}

// Create a random object with a timer-generated seed.
static void AutoSeedRandoms( )
{
// Wait to allow the timer to advance.
Thread.Sleep( 1 );

Console.WriteLine(
"\nRandom numbers from a Random object " +
"with an auto-generated seed:" );
Random autoRand = new Random( );

RunIntNDoubleRandoms( autoRand );
}

static void Main( )
{
//<Snippet1>
Console.WriteLine(
"This example of the Random class constructors and " +
"Random.NextDouble( ) \n" +
Expand All @@ -25,85 +64,45 @@ static void Main( )
AutoSeedRandoms( );
AutoSeedRandoms( );
AutoSeedRandoms( );

// Generate random numbers from the specified Random object.
void RunIntNDoubleRandoms( Random randObj )
{
// Generate the first six random integers.
for( int j = 0; j < 6; j++ )
Console.Write( " {0,10} ", randObj.Next( ) );
Console.WriteLine( );

// Generate the first six random doubles.
for( int j = 0; j < 6; j++ )
Console.Write( " {0:F8} ", randObj.NextDouble( ) );
Console.WriteLine( );
}

// Create a Random object with the specified seed.
void FixedSeedRandoms( int seed )
{
Console.WriteLine(
"\nRandom numbers from a Random object with " +
"seed = {0}:", seed );
Random fixRand = new Random( seed );

RunIntNDoubleRandoms( fixRand );
}

// Create a random object with a timer-generated seed.
void AutoSeedRandoms( )
{
// Wait to allow the timer to advance.
System.Threading.Thread.Sleep( 1 );

Console.WriteLine(
"\nRandom numbers from a Random object " +
"with an auto-generated seed:" );
Random autoRand = new Random( );

RunIntNDoubleRandoms( autoRand );
}

/*
This example of the Random class constructors and Random.NextDouble( )
generates the following output.

Create Random objects, and then generate and display six integers and
six doubles from each.

Random numbers from a Random object with seed = 123:
2114319875 1949518561 1596751841 1742987178 1586516133 103755708
0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146

Random numbers from a Random object with seed = 123:
2114319875 1949518561 1596751841 1742987178 1586516133 103755708
0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146

Random numbers from a Random object with seed = 456:
2044805024 1323311594 1087799997 1907260840 179380355 120870348
0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170

Random numbers from a Random object with seed = 456:
2044805024 1323311594 1087799997 1907260840 179380355 120870348
0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170

Random numbers from a Random object with an auto-generated seed:
380213349 127379247 1969091178 1983029819 1963098450 1648433124
0.08824121 0.41249688 0.36445811 0.05637512 0.62702451 0.49595560

Random numbers from a Random object with an auto-generated seed:
861793304 2133528783 1947358439 124230908 921262645 1087892791
0.56880819 0.42934091 0.60162512 0.74388610 0.99432979 0.30310005

Random numbers from a Random object with an auto-generated seed:
1343373259 1992194672 1925625700 412915644 2026910487 527352458
0.04937517 0.44618494 0.83879212 0.43139707 0.36163507 0.11024451
*/
//</Snippet1>
}
}

/*
This example of the Random class constructors and Random.NextDouble( )
generates the following output.

Create Random objects, and then generate and display six integers and
six doubles from each.

Random numbers from a Random object with seed = 123:
2114319875 1949518561 1596751841 1742987178 1586516133 103755708
0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146

Random numbers from a Random object with seed = 123:
2114319875 1949518561 1596751841 1742987178 1586516133 103755708
0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146

Random numbers from a Random object with seed = 456:
2044805024 1323311594 1087799997 1907260840 179380355 120870348
0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170

Random numbers from a Random object with seed = 456:
2044805024 1323311594 1087799997 1907260840 179380355 120870348
0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170

Random numbers from a Random object with an auto-generated seed:
380213349 127379247 1969091178 1983029819 1963098450 1648433124
0.08824121 0.41249688 0.36445811 0.05637512 0.62702451 0.49595560

Random numbers from a Random object with an auto-generated seed:
861793304 2133528783 1947358439 124230908 921262645 1087892791
0.56880819 0.42934091 0.60162512 0.74388610 0.99432979 0.30310005

Random numbers from a Random object with an auto-generated seed:
1343373259 1992194672 1925625700 412915644 2026910487 527352458
0.04937517 0.44618494 0.83879212 0.43139707 0.36163507 0.11024451
*/
//</Snippet1>

// Code added to show how to initialize Random objects with the
// same timer value that will produce unique random number sequences.
Expand Down
39 changes: 19 additions & 20 deletions snippets/csharp/VS_Snippets_CLR_System/system.Random.Ctor/CS/ctor1.cs
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Original file line number Diff line number Diff line change
@@ -1,35 +1,34 @@
using System;
// <Snippet2>
using System;
using System.Threading;

public class RandomNumbers
{
public static void Main()
{
// <Snippet2>
Random rand1 = new Random();
Random rand2 = new Random();
System.Threading.Thread.Sleep(2000);
Thread.Sleep(2000);
Random rand3 = new Random();
ShowRandomNumbers(rand1);
ShowRandomNumbers(rand2);
ShowRandomNumbers(rand3);
}

void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[5];
rand.NextBytes(values);
foreach (byte value in values)
Console.Write("{0, 5}", value);
Console.WriteLine();
}

// The example displays the following output to the console:
// 28 35 133 224 58
//
// 28 35 133 224 58
//
// 32 222 43 251 49
// </Snippet2>
private static void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[5];
rand.NextBytes(values);
foreach (byte value in values)
Console.Write("{0, 5}", value);
Console.WriteLine();
}
}
// The example displays the following output to the console:
// 28 35 133 224 58
//
// 28 35 133 224 58
//
// 32 222 43 251 49
// </Snippet2>
39 changes: 19 additions & 20 deletions snippets/csharp/VS_Snippets_CLR_System/system.Random.Ctor/CS/ctor4.cs
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Original file line number Diff line number Diff line change
@@ -1,36 +1,35 @@
using System;
// <Snippet4>
using System;
using System.Threading;

public class Example
{
public static void Main()
{
// <Snippet4>
Random rand1 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
Random rand2 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
System.Threading.Thread.Sleep(20);
Thread.Sleep(20);
Random rand3 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
ShowRandomNumbers(rand1);
ShowRandomNumbers(rand2);
ShowRandomNumbers(rand3);
}

void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[4];
rand.NextBytes(values);
foreach (var value in values)
Console.Write("{0, 5}", value);

Console.WriteLine();
}
private static void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[4];
rand.NextBytes(values);
foreach (var value in values)
Console.Write("{0, 5}", value);

// The example displays output similar to the following:
// 145 214 177 134 173
//
// 145 214 177 134 173
//
// 126 185 175 249 157
// </Snippet4>
Console.WriteLine();
}
}
// The example displays output similar to the following:
// 145 214 177 134 173
//
// 145 214 177 134 173
//
// 126 185 175 249 157
// </Snippet4>
61 changes: 30 additions & 31 deletions snippets/csharp/VS_Snippets_CLR_System/system.Random/cs/unique.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
using System;
// <Snippet13>
using System;
using System.Threading;

public class Example
{
public static void Main()
{
// <Snippet13>
Console.WriteLine("Instantiating two random number generators...");
Random rnd1 = new Random();
System.Threading.Thread.Sleep(2000);
Thread.Sleep(2000);
Random rnd2 = new Random();

Console.WriteLine("\nThe first random number generator:");
Expand All @@ -18,34 +18,33 @@ public static void Main()
Console.WriteLine("\nThe second random number generator:");
for (int ctr = 1; ctr <= 10; ctr++)
Console.WriteLine(" {0}", rnd2.Next());

// The example displays output like the following:
// Instantiating two random number generators...
//
// The first random number generator:
// 643164361
// 1606571630
// 1725607587
// 2138048432
// 496874898
// 1969147632
// 2034533749
// 1840964542
// 412380298
// 47518930
//
// The second random number generator:
// 1251659083
// 1514185439
// 1465798544
// 517841554
// 1821920222
// 195154223
// 1538948391
// 1548375095
// 546062716
// 897797880
// </Snippet13>
}
}
// The example displays output like the following:
// Instantiating two random number generators...
//
// The first random number generator:
// 643164361
// 1606571630
// 1725607587
// 2138048432
// 496874898
// 1969147632
// 2034533749
// 1840964542
// 412380298
// 47518930
//
// The second random number generator:
// 1251659083
// 1514185439
// 1465798544
// 517841554
// 1821920222
// 195154223
// 1538948391
// 1548375095
// 546062716
// 897797880
// </Snippet13>