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sqlfreehandle (odbc32)
SQLFreeHandle frees resources associated with a specific environment, connection, statement, or descriptor handle.

C# Signature:

[DllImport("odbc32.dll", CharSet = CharSet.Unicode)]
static extern short SQLFreeHandle(ushort HandleType, IntPtr InputHandle);

VB Signature:

Declare Function SQLFreeHandle Lib "odbc32.dll" (ByVal HandleType As Short, ByVal InputHandle As IntPtr) As Short

Alternative Managed API:

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Frees a handle allocated by SQLAllocHandle.

HandleType can be one of four values defined as:

public const ushort SQL_HANDLE_ENV = 1;
public const ushort SQL_HANDLE_DBC = 2;
public const ushort SQL_HANDLE_STMT = 3;
public const ushort SQL_HANDLE_DESC = 4;

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