44 lines
1.1 KiB
C#
44 lines
1.1 KiB
C#
using System.Diagnostics.CodeAnalysis;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.InteropServices;
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using System.Security;
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namespace YY.Admin.Tools.Interop;
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[SuppressMessage("ReSharper", "UnusedMember.Local")]
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internal sealed class BitmapHandle : WpfSafeHandle
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{
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[SecurityCritical]
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private BitmapHandle() : this(true)
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{
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//请不要删除此构造函数，否则当使用自定义ico文件时会报错
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}
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[SecurityCritical]
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private BitmapHandle(bool ownsHandle) : base(ownsHandle, CommonHandles.GDI)
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{
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}
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[SecurityCritical]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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protected override bool ReleaseHandle()
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{
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return InteropMethods.DeleteObject(handle);
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}
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[SecurityCritical]
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internal HandleRef MakeHandleRef(object obj)
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{
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return new(obj, handle);
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}
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[SecurityCritical]
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internal static BitmapHandle CreateFromHandle(IntPtr hbitmap, bool ownsHandle = true)
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{
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return new(ownsHandle)
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{
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handle = hbitmap,
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};
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}
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}
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