Vanara/PInvoke/User32/ICONINFO.cs

53 lines
2.0 KiB
C#

using System;
using System.Runtime.InteropServices;
using static Vanara.PInvoke.Gdi32;
namespace Vanara.PInvoke
{
public static partial class User32
{
/// <summary>Contains information about an icon or a cursor.</summary>
[StructLayout(LayoutKind.Sequential)]
public sealed class ICONINFO : IDisposable
{
/// <summary>
/// Specifies whether this structure defines an icon or a cursor. A value of TRUE specifies an icon; FALSE specifies a cursor.
/// </summary>
[MarshalAs(UnmanagedType.Bool)]
public bool fIcon;
/// <summary>
/// The x-coordinate of a cursor's hot spot. If this structure defines an icon, the hot spot is always in the center of the icon,
/// and this member is ignored.
/// </summary>
public int xHotspot;
/// <summary>
/// The y-coordinate of the cursor's hot spot. If this structure defines an icon, the hot spot is always in the center of the
/// icon, and this member is ignored.
/// </summary>
public int yHotspot;
/// <summary>
/// The icon bitmask bitmap. If this structure defines a black and white icon, this bitmask is formatted so that the upper half
/// is the icon AND bitmask and the lower half is the icon XOR bitmask. Under this condition, the height should be an even
/// multiple of two. If this structure defines a color icon, this mask only defines the AND bitmask of the icon.
/// </summary>
public HBITMAP hbmMask;
/// <summary>
/// A handle to the icon color bitmap. This member can be optional if this structure defines a black and white icon. The AND
/// bitmask of hbmMask is applied with the SRCAND flag to the destination; subsequently, the color bitmap is applied (using XOR)
/// to the destination by using the SRCINVERT flag.
/// </summary>
public HBITMAP hbmColor;
/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
void IDisposable.Dispose()
{
if (!hbmMask.IsNull) DeleteObject(hbmMask);
if (!hbmColor.IsNull) DeleteObject(hbmColor);
}
}
}
}