using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ScintillaNET

{

/// <summary>

/// A <see cref="Marker" /> handle.

/// </summary>

/// <remarks>

/// This is an opaque type, meaning it can be used by a <see cref="Scintilla" /> control but

/// otherwise has no public members of its own.

/// </remarks>

public struct MarkerHandle

{

internal IntPtr Value;

/// <summary>

/// A read-only field that represents an uninitialized handle.

/// </summary>

public static readonly MarkerHandle Zero;

/// <summary>

/// Returns a value indicating whether this instance is equal to a specified object.

/// </summary>

/// <param name="obj">An object to compare with this instance or null.</param>

/// <returns>true if <paramref name="obj" /> is an instance of <see cref="MarkerHandle" /> and equals the value of this instance; otherwise, false.</returns>

public override bool Equals(object obj)

{

return (obj is IntPtr) && Value == ((MarkerHandle)obj).Value;

}

/// <summary>

/// Returns the hash code for this instance.

/// </summary>

/// <returns>A 32-bit signed integer hash code.</returns>

public override int GetHashCode()

{

return Value.GetHashCode();

}

/// <summary>

/// Determines whether two specified instances of <see cref="MarkerHandle" /> are equal.

/// </summary>

/// <param name="a">The first handle to compare.</param>

/// <param name="b">The second handle to compare.</param>

/// <returns>true if <paramref name="a" /> equals <paramref name="b" />; otherwise, false.</returns>

public static bool operator ==(MarkerHandle a, MarkerHandle b)

{

return a.Value == b.Value;

}

/// <summary>

/// Determines whether two specified instances of <see cref="MarkerHandle" /> are not equal.

/// </summary>

/// <param name="a">The first handle to compare.</param>

/// <param name="b">The second handle to compare.</param>

/// <returns>true if <paramref name="a" /> does not equal <paramref name="b" />; otherwise, false.</returns>

public static bool operator !=(MarkerHandle a, MarkerHandle b)

{

return a.Value != b.Value;

}

}

}