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java.lang.Object com.jniwrapper.Parameter com.jniwrapper.Pointer.Void com.jniwrapper.win32.Handle com.jniwrapper.win32.system.LocalMemoryBlock
public class LocalMemoryBlock
This class represents a local memory block and corresponds to the HLOCAL
native type.
Field Summary |
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Fields inherited from class com.jniwrapper.win32.Handle |
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INFINITE_TIMEOUT, INVALID_HANDLE_VALUE, STATUS_ABANDONED_WAIT_0, STATUS_TIMEOUT, STATUS_WAIT_0 |
Fields inherited from class com.jniwrapper.Parameter |
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LICENSE_TYPE, V |
Constructor Summary | |
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LocalMemoryBlock()
Creates a LocalMemoryBlock object. |
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LocalMemoryBlock(Handle handle)
Creates a LocalMemoryBlock object that references the memory that handles references. |
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LocalMemoryBlock(int size,
MemoryAllocationAttributes attributes)
Allocates a local memory block of the specified size. |
Method Summary | |
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void |
free()
Frees the allocated memory. |
static void |
localFree(com.jniwrapper.Parameter localMemoryBlock)
Frees the allocated memory. |
Handle |
lock()
Locks the memory block and returns a pointer to the allocated memory. |
int |
size()
Returns the size of the allocated memory block. |
int |
unlock()
Decrements the lock count for the memory block. |
Methods inherited from class com.jniwrapper.win32.Handle |
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clone, closeHandle, equals, waitFor, waitFor |
Methods inherited from class com.jniwrapper.Pointer.Void |
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asFunction, asFunction, asTypedPointer, castTo, castTo, getDebugInfo, getLength, getValue, hashCode, isNull, read, setValue, toString, write |
Methods inherited from class com.jniwrapper.Parameter |
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Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public LocalMemoryBlock()
public LocalMemoryBlock(Handle handle)
handle
- handle to the local memory blockpublic LocalMemoryBlock(int size, MemoryAllocationAttributes attributes)
size
- the size of the allocated memoryattributes
- allocation attributesMethod Detail |
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public void free()
java.lang.RuntimeException
- if failed to free the memory block.public static void localFree(com.jniwrapper.Parameter localMemoryBlock)
java.lang.RuntimeException
- if failed to free the memory block.public int size()
public Handle lock()
public int unlock()
GetLastError
function returns NO_ERROR
, the memory block is unlocked.
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