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Mark J Price 2022-02-18 12:13:25 +00:00
parent ca7684985d
commit 49bdd4dda1
60 changed files with 1527 additions and 30 deletions
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14
vs4win/Chapter03/CheckingForOverflow/CheckingForOverflow.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<Using Include="System.Console" Static="true" />
</ItemGroup>
</Project>

28
vs4win/Chapter03/CheckingForOverflow/Program.cs Normal file
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try
{
checked
{
int x = int.MaxValue - 1;
WriteLine($"Initial value: {x}");
x++;
WriteLine($"After incrementing: {x}");
x++;
WriteLine($"After incrementing: {x}");
x++;
WriteLine($"After incrementing: {x}");
}
}
catch (OverflowException)
{
WriteLine("The code overflowed but I caught the exception.");
}
unchecked
{
int y = int.MaxValue + 1;
WriteLine($"Initial value: {y}");
y--;
WriteLine($"After decrementing: {y}");
y--;
WriteLine($"After decrementing: {y}");
}