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Changed SafeDRT_DATA fields to properties.

pull/180/head
dahall 2020-09-10 10:37:16 -06:00
parent 2824e230b6
commit 70a9c278d2
1 changed files with 17 additions and 11 deletions
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28
PInvoke/Drt/Drt.cs
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@ -2345,23 +2345,23 @@ namespace Vanara.PInvoke
public class SafeDRT_DATA : IDisposable
{
/// <summary>A DWORD variable that contains the count, in bytes, of data.</summary>
public readonly uint cb;
private uint _cb;
/// <summary>A pointer to the data buffer.</summary>
public readonly IntPtr pb;
private IntPtr _pb;
/// <summary>Initializes a new instance of the <see cref="SafeDRT_DATA"/> class.</summary>
/// <param name="size">The size, in bytes, to allocate.</param>
public SafeDRT_DATA(int size)
{
cb = (uint)size;
_cb = (uint)size;
if (size > 0)
pb = MemMethods.AllocMem(size);
_pb = MemMethods.AllocMem(size);
}
/// <summary>Initializes a new instance of the <see cref="SafeDRT_DATA"/> class.</summary>
/// <param name="bytes">The bytes to copy into the blob.</param>
public SafeDRT_DATA(byte[] bytes) : this(bytes?.Length ?? 0) => Marshal.Copy(bytes, 0, pb, bytes.Length);
public SafeDRT_DATA(byte[] bytes) : this(bytes?.Length ?? 0) => Marshal.Copy(bytes, 0, _pb, bytes.Length);
/// <summary>Initializes a new instance of the <see cref="SafeDRT_DATA"/> class with a string.</summary>
/// <param name="value">The string value.</param>
@ -2372,25 +2372,31 @@ namespace Vanara.PInvoke
private SafeDRT_DATA(IntPtr handle, int size)
{
pb = handle;
cb = (uint)size;
_pb = handle;
_cb = (uint)size;
}
/// <summary>A DWORD variable that contains the count, in bytes, of data.</summary>
public uint cb => _cb;
/// <summary>A pointer to the data buffer.</summary>
public IntPtr pb => _pb;
/// <summary>Represents an empty instance of a blob.</summary>
public static readonly SafeDRT_DATA Empty = new SafeDRT_DATA(IntPtr.Zero, 0);
/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
public void Dispose()
{
MemMethods.FreeMem(pb);
pb = IntPtr.Zero;
cb = 0;
MemMethods.FreeMem(_pb);
_pb = IntPtr.Zero;
_cb = 0;
}
/// <summary>Performs an implicit conversion from <see cref="SafeDRT_DATA"/> to <see cref="DRT_DATA"/>.</summary>
/// <param name="safeData">The safe data.</param>
/// <returns>The resulting <see cref="DRT_DATA"/> instance from the conversion.</returns>
public static implicit operator DRT_DATA(SafeDRT_DATA safeData) => new DRT_DATA { cb = safeData.cb, pb = safeData.pb };
public static implicit operator DRT_DATA(SafeDRT_DATA safeData) => new DRT_DATA { cb = safeData._cb, pb = safeData._pb };
/// <summary>Allocates from unmanaged memory sufficient memory to hold an object of type T.</summary>
/// <typeparam name="T">Native type</typeparam>