Produce a random number in a range using C

Question

How do I go about producing random numbers within a range

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Something like   var rnd   new Random DateTime Now Millisecond   int ticks   rnd Next 0  3000

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You can try  Random r   new Random    int rInt   r Next 0  100     for ints int range   100  double rDouble   r NextDouble    range    for doubles   Have a look at  Random Class  Random Next Method  Int32  Int32  and Random NextDouble Method

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Here is updated version from Darrelk answer  It is implemented using C  extension methods  It does not allocate memory  new Random    every time this method is called   public static class RandomExtensionMethods       public static double NextDoubleRange this System Random random  double minNumber  double maxNumber                return random NextDouble      maxNumber - minNumber    minNumber            Usage  make sure to import the namespace that contain the RandomExtensionMethods class    var random   new System Random    double rx   random NextDoubleRange 0 0  1 0   double ry   random NextDoubleRange 0 0f  1 0f   double vx   random NextDoubleRange -0 005f  0 005f   double vy   random NextDoubleRange -0 005f  0 005f

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Try below code   Random rnd   new Random    int month   rnd Next 1  13      creates a number between 1 and 12 int dice   rnd Next 1  7      creates a number between 1 and 6 int card   rnd Next 52      creates a number between 0 and 51

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Use   Random r   new Random     int x  r Next 10    Max range

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Aside from the Random Class  which generates integers and doubles  consider    Stack Overflow question Generation of  pseudo  random constrained values of  U Int64 and Decimal C  RandomProvider Class

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For future readers if you want a random number in a range use the following code   public double GetRandomNumberInRange double minNumber  double maxNumber        return new Random   NextDouble      maxNumber - minNumber    minNumber      C  Random double between min and max  Code sample

[c#] Produce a random number in a range using C#

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