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Change params on SHGetValue and added overload

pull/30/head
David Hall 2019-01-15 21:10:07 -07:00
parent fc0ba33edb
commit 7e13acf8ec
1 changed files with 53 additions and 1 deletions
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54
PInvoke/ShlwApi/Shlwapi.cs
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@ -3174,7 +3174,59 @@ namespace Vanara.PInvoke
// pszSubKey, LPCSTR pszValue, DWORD *pdwType, void *pvData, DWORD *pcbData );
[DllImport(Lib.Shlwapi, SetLastError = false, CharSet = CharSet.Auto)]
[PInvokeData("shlwapi.h", MSDNShortId = "8cca6bfe-d365-4d10-bc8d-f3bebefaad02")]
public static extern Win32Error SHGetValue(HKEY hkey, string pszSubKey, string pszValue, ref uint pdwType, IntPtr pvData, ref uint pcbData);
public static extern Win32Error SHGetValue(HKEY hkey, string pszSubKey, string pszValue, out uint pdwType, IntPtr pvData, ref uint pcbData);
/// <summary>
/// <para>Retrieves a registry value.</para>
/// </summary>
/// <param name="hkey">
/// <para>Type: <c>HKEY</c></para>
/// <para>A handle to the currently open key, or any of the following predefined values.</para>
/// <para>HKEY_CLASSES_ROOT</para>
/// <para>HKEY_CURRENT_CONFIG</para>
/// <para>HKEY_CURRENT_USER</para>
/// <para>HKEY_LOCAL_MACHINE</para>
/// <para>HKEY_PERFORMANCE_DATA</para>
/// <para>HKEY_USERS</para>
/// </param>
/// <param name="pszSubKey">
/// <para>Type: <c>LPCTSTR</c></para>
/// <para>The address of a null-terminated string that specifies the name of the subkey from which to retrieve the value.</para>
/// </param>
/// <param name="pszValue">
/// <para>Type: <c>LPCTSTR</c></para>
/// <para>The address of the value.</para>
/// </param>
/// <param name="pdwType">
/// <para>Type: <c>LPDWORD</c></para>
/// <para>The type of value. For more information, see Registry Data Types.</para>
/// </param>
/// <param name="pvData">
/// <para>Type: <c>LPVOID</c></para>
/// <para>The address of the destination data buffer.</para>
/// </param>
/// <param name="pcbData">
/// <para>Type: <c>LPDWORD</c></para>
/// <para>The size of the destination data buffer.</para>
/// </param>
/// <returns>
/// <para>Type: <c>LSTATUS</c></para>
/// <para>
/// Returns ERROR_SUCCESS if successful, or a nonzero error code defined in Winerror.h otherwise. You can use the FormatMessage
/// function with the FORMAT_MESSAGE_FROM_SYSTEM flag to retrieve a generic description of the error.
/// </para>
/// </returns>
/// <remarks>
/// <para>
/// If your application must set/retrieve a series of values in the same key, it is better to open the key once and set/retrieve the
/// values with the regular Microsoft Win32 registry functions rather than use this function repeatedly.
/// </para>
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/shlwapi/nf-shlwapi-shgetvaluea LSTATUS SHGetValueA( HKEY hkey, LPCSTR
// pszSubKey, LPCSTR pszValue, DWORD *pdwType, void *pvData, DWORD *pcbData );
[DllImport(Lib.Shlwapi, SetLastError = false, CharSet = CharSet.Auto)]
[PInvokeData("shlwapi.h", MSDNShortId = "8cca6bfe-d365-4d10-bc8d-f3bebefaad02")]
public static extern Win32Error SHGetValue(HKEY hkey, string pszSubKey, string pszValue, out uint pdwType, SafeAllocatedMemoryHandle pvData, ref uint pcbData);
/// <summary>
/// <para>