mirror of https://github.com/dahall/Vanara.git
Added CorrespondingType attributes and GetValue extension method for REG_VALUE_TYPE
parent
708d2fc39d
commit
1b42ce1df2
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@ -1,4 +1,5 @@
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using System;
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using Vanara.InteropServices;
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namespace Vanara.PInvoke
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{
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@ -14,9 +15,11 @@ namespace Vanara.PInvoke
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REG_NONE = 0,
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/// <summary>Binary data in any form.</summary>
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[CorrespondingType(typeof(byte[]))]
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REG_BINARY = 3,
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/// <summary>A 32-bit number.</summary>
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[CorrespondingType(typeof(uint))]
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REG_DWORD = 4,
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/// <summary>
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@ -24,6 +27,7 @@ namespace Vanara.PInvoke
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/// <para>Windows is designed to run on little-endian computer architectures.</para>
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/// <para>Therefore, this value is defined as REG_DWORD in the Windows header files.</para>
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/// </summary>
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[CorrespondingType(typeof(uint))]
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REG_DWORD_LITTLE_ENDIAN = 4,
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/// <summary>
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@ -57,6 +61,7 @@ namespace Vanara.PInvoke
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REG_MULTI_SZ = 7,
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/// <summary>A 64-bit number.</summary>
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[CorrespondingType(typeof(ulong))]
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REG_QWORD = 11,
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/// <summary>
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@ -66,6 +71,7 @@ namespace Vanara.PInvoke
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/// Windows header files.
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/// </para>
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/// </summary>
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[CorrespondingType(typeof(ulong))]
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REG_QWORD_LITTLE_ENDIAN = 11,
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/// <summary>
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@ -82,4 +88,46 @@ namespace Vanara.PInvoke
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/// <summary>Resource requirement list.</summary>
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REG_RESOURCE_REQUIREMENTS_LIST = 10,
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}
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}
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namespace Vanara.Extensions
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{
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/// <summary>Extension methods for registry types.</summary>
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public static class RegistryTypeExt
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{
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/// <summary>Extract the value of this registry type from a pointer.</summary>
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/// <param name="value">The registry type value.</param>
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/// <param name="ptr">The allocated memory pointer.</param>
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/// <param name="size">The size of the allocated memory.</param>
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/// <returns>The extracted value.</returns>
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public static object GetValue(this Vanara.PInvoke.REG_VALUE_TYPE value, IntPtr ptr, uint size)
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{
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switch (value)
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{
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case PInvoke.REG_VALUE_TYPE.REG_DWORD:
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return IntPtrConverter.Convert<uint>(ptr, size);
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case PInvoke.REG_VALUE_TYPE.REG_DWORD_BIG_ENDIAN:
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var data = IntPtrConverter.Convert<byte[]>(ptr, 4);
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return unchecked((uint)((data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]));
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case PInvoke.REG_VALUE_TYPE.REG_EXPAND_SZ:
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return Environment.ExpandEnvironmentVariables(StringHelper.GetString(ptr));
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case PInvoke.REG_VALUE_TYPE.REG_LINK:
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return new Uri(StringHelper.GetString(ptr));
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case PInvoke.REG_VALUE_TYPE.REG_MULTI_SZ:
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return ptr.ToStringEnum();
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case PInvoke.REG_VALUE_TYPE.REG_QWORD:
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return IntPtrConverter.Convert<ulong>(ptr, size);
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case PInvoke.REG_VALUE_TYPE.REG_SZ:
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return StringHelper.GetString(ptr);
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case PInvoke.REG_VALUE_TYPE.REG_RESOURCE_LIST:
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case PInvoke.REG_VALUE_TYPE.REG_FULL_RESOURCE_DESCRIPTOR:
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case PInvoke.REG_VALUE_TYPE.REG_RESOURCE_REQUIREMENTS_LIST:
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case PInvoke.REG_VALUE_TYPE.REG_BINARY:
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return IntPtrConverter.Convert<byte[]>(ptr, size);
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default:
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case PInvoke.REG_VALUE_TYPE.REG_NONE:
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return ptr;
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}
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}
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}
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}
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