/// <summary>
///
/// </summary>
/// <typeparam name="MainHandleType"></typeparam>
/// <typeparam name="SecondHandleType"></typeparam>
/// <typeparam name="InfoType"></typeparam>
/// <param name="mainHandle"></param>
/// <param name="secondHandle"></param>
/// <param name="paramName"></param>
/// <param name="getInfoDelegate"></param>
/// <returns></returns>
protected string GetStringInfo <MainHandleType, SecondHandleType, InfoType>
(MainHandleType mainHandle, SecondHandleType secondHandle, InfoType paramName, GetInfoDelegateEx <MainHandleType, SecondHandleType, InfoType> getInfoDelegate)
{
byte[] buffer = GetArrayInfo <MainHandleType, SecondHandleType, InfoType, byte>(mainHandle, secondHandle, paramName, getInfoDelegate);
char[] chars = Encoding.UTF8.GetChars(buffer, 0, buffer.Length);
return((new string(chars)).TrimEnd(new char[] { '\0' }));
}
/// <summary>
///
/// </summary>
/// <typeparam name="MainHandleType"></typeparam>
/// <typeparam name="SecondHandleType"></typeparam>
/// <typeparam name="InfoType"></typeparam>
/// <typeparam name="QueriedType"></typeparam>
/// <param name="mainHandle"></param>
/// <param name="secondHandle"></param>
/// <param name="paramName"></param>
/// <param name="getInfoDelegate"></param>
/// <returns></returns>
protected QueriedType GetInfo <MainHandleType, SecondHandleType, InfoType, QueriedType>
(MainHandleType mainHandle, SecondHandleType secondHandle, InfoType paramName, GetInfoDelegateEx <MainHandleType, SecondHandleType, InfoType> getInfoDelegate)
where QueriedType : struct
{
QueriedType result = new QueriedType();
GCHandle gcHandle = GCHandle.Alloc(result, GCHandleType.Pinned);
try
{
IntPtr sizeRet;
ComputeErrorCode error = getInfoDelegate(mainHandle, secondHandle, paramName, new IntPtr(Marshal.SizeOf(result)), gcHandle.AddrOfPinnedObject(), out sizeRet);
ComputeException.ThrowOnError(error);
}
finally
{
result = (QueriedType)gcHandle.Target;
gcHandle.Free();
}
return(result);
}
/// <summary>
///
/// </summary>
/// <typeparam name="TMainHandleType"></typeparam>
/// <typeparam name="TSecondHandleType"></typeparam>
/// <typeparam name="TInfoType"></typeparam>
/// <param name="mainHandle"></param>
/// <param name="secondHandle"></param>
/// <param name="paramName"></param>
/// <param name="getInfoDelegate"></param>
/// <returns></returns>
protected static string GetStringInfo <TMainHandleType, TSecondHandleType, TInfoType>
(TMainHandleType mainHandle, TSecondHandleType secondHandle, TInfoType paramName, GetInfoDelegateEx <TMainHandleType, TSecondHandleType, TInfoType> getInfoDelegate)
{
byte[] buffer = GetArrayInfo <TMainHandleType, TSecondHandleType, TInfoType, byte>(mainHandle, secondHandle, paramName, getInfoDelegate);
char[] chars = Encoding.ASCII.GetChars(buffer, 0, buffer.Length);
return(new string(chars).TrimEnd('\0'));
}
/// <summary>
///
/// </summary>
/// <typeparam name="MainHandleType"></typeparam>
/// <typeparam name="SecondHandleType"></typeparam>
/// <typeparam name="InfoType"></typeparam>
/// <typeparam name="QueriedType"></typeparam>
/// <param name="mainHandle"></param>
/// <param name="secondHandle"></param>
/// <param name="paramName"></param>
/// <param name="getInfoDelegate"></param>
/// <returns></returns>
protected QueriedType[] GetArrayInfo <MainHandleType, SecondHandleType, InfoType, QueriedType>
(MainHandleType mainHandle, SecondHandleType secondHandle, InfoType paramName, GetInfoDelegateEx <MainHandleType, SecondHandleType, InfoType> getInfoDelegate)
{
ComputeErrorCode error;
QueriedType[] buffer;
IntPtr bufferSizeRet;
error = getInfoDelegate(mainHandle, secondHandle, paramName, IntPtr.Zero, IntPtr.Zero, out bufferSizeRet);
ComputeException.ThrowOnError(error);
buffer = new QueriedType[bufferSizeRet.ToInt64() / Marshal.SizeOf(typeof(QueriedType))];
GCHandle gcHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
error = getInfoDelegate(mainHandle, secondHandle, paramName, bufferSizeRet, gcHandle.AddrOfPinnedObject(), out bufferSizeRet);
ComputeException.ThrowOnError(error);
}
finally
{
gcHandle.Free();
}
return(buffer);
}
/// <summary>
///
/// </summary>
/// <typeparam name="TMainHandleType"></typeparam>
/// <typeparam name="TSecondHandleType"></typeparam>
/// <typeparam name="TInfoType"></typeparam>
/// <typeparam name="TQueriedType"></typeparam>
/// <param name="mainHandle"></param>
/// <param name="secondHandle"></param>
/// <param name="paramName"></param>
/// <param name="getInfoDelegate"></param>
/// <returns></returns>
protected static TQueriedType[] GetArrayInfo <TMainHandleType, TSecondHandleType, TInfoType, TQueriedType>
(TMainHandleType mainHandle, TSecondHandleType secondHandle, TInfoType paramName, GetInfoDelegateEx <TMainHandleType, TSecondHandleType, TInfoType> getInfoDelegate)
{
var error = getInfoDelegate(mainHandle, secondHandle, paramName, IntPtr.Zero, IntPtr.Zero, out var bufferSizeRet);
ComputeException.ThrowOnError(error);
var buffer = new TQueriedType[bufferSizeRet.ToInt64() / Marshal.SizeOf(typeof(TQueriedType))];
GCHandle gcHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
error = getInfoDelegate(mainHandle, secondHandle, paramName, bufferSizeRet, gcHandle.AddrOfPinnedObject(), out bufferSizeRet);
ComputeException.ThrowOnError(error);
}
finally
{
gcHandle.Free();
}
return(buffer);
}