|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Windows.Forms.Primitives;
namespace System;
/// <summary>
/// Scope for enabling / disabling the DataGridViewUIAStartRowCountAtZero Switch.
/// Use in a <see langword="using"/> statement.
/// </summary>
public readonly ref struct DataGridViewUIAStartRowCountAtZeroScope
{
private readonly AppContextSwitchScope _switchScope;
public DataGridViewUIAStartRowCountAtZeroScope(bool enable)
{
// Prevent multiple BinaryFormatterScopes from running simultaneously. Using Monitor to allow recursion on
// the same thread.
Monitor.Enter(typeof(DataGridViewUIAStartRowCountAtZeroScope));
_switchScope = new(WinFormsAppContextSwitchNames.DataGridViewUIAStartRowCountAtZero, GetDefaultValue, enable);
}
public void Dispose()
{
try
{
_switchScope.Dispose();
}
finally
{
Monitor.Exit(typeof(DataGridViewUIAStartRowCountAtZeroScope));
}
}
public static bool GetDefaultValue() =>
typeof(LocalAppContextSwitches).TestAccessor()
.CreateDelegate<Func<string, bool>>("GetSwitchDefaultValue")(WinFormsAppContextSwitchNames.DataGridViewUIAStartRowCountAtZero);
}
|