Package com.sun.jna.platform.mac

# Class CoreFoundation.CFDictionaryRef

java.lang.Object
com.sun.jna.PointerType
com.sun.jna.platform.mac.CoreFoundation.CFTypeRef
com.sun.jna.platform.mac.CoreFoundation.CFDictionaryRef

All Implemented Interfaces:
  `NativeMapped`

Direct Known Subclasses:
  `CoreFoundation.CFMutableDictionaryRef`

Enclosing interface:
  CoreFoundation

public static class CoreFoundation.CFDictionaryRef extends CoreFoundation.CFTypeRef
A reference to an immutable `CFDictionary` object.

## Nested Class Summary

Nested Classes
Modifier and Type
Class
Description
`static class`
`CoreFoundation.CFDictionaryRef.ByReference`
Placeholder for a reference to a `CFDictionary` object.

## Constructor Summary

Constructors
Constructor
Description
`CFDictionaryRef()`
`CFDictionaryRef(Pointer p)`

## Method Summary

Modifier and Type
Method
Description
`long`
`getCount()`
Convenience method for `CoreFoundation.CFDictionaryGetCount(CFDictionaryRef)` on this object.
`Pointer`
`getValue(PointerType key)`
Convenience method for `CoreFoundation.CFDictionaryGetValue(com.sun.jna.platform.mac.CoreFoundation.CFDictionaryRef, com.sun.jna.PointerType)` on this object.
`boolean`
`getValueIfPresent(PointerType key, PointerByReference value)`
Convenience method for `CoreFoundation.CFDictionaryGetValueIfPresent(com.sun.jna.platform.mac.CoreFoundation.CFDictionaryRef, com.sun.jna.PointerType, com.sun.jna.ptr.PointerByReference)` on this object.

### Methods inherited from class com.sun.jna.platform.mac.CoreFoundation.CFTypeRef

`getTypeID, isTypeID, release, retain`

### Methods inherited from class com.sun.jna.PointerType

`equals, fromNative, getPointer, hashCode, nativeType, setPointer, toNative, toString`

### Methods inherited from class java.lang.Object

`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

## Constructor Details

### CFDictionaryRef

public CFDictionaryRef()

### CFDictionaryRef

public CFDictionaryRef(Pointer p)

## Method Details

### getValue

public Pointer getValue(PointerType key)
Convenience method for `CoreFoundation.CFDictionaryGetValue(com.sun.jna.platform.mac.CoreFoundation.CFDictionaryRef, com.sun.jna.PointerType)` on this object.

Parameters:
  `key` - The key for which to find a match.
Returns:
  The value associated with key, or `null` if no key-value pair matching key exists.

### getCount

public long getCount()
Convenience method for `CoreFoundation.CFDictionaryGetCount(CFDictionaryRef)` on this object.

Returns:
  The number of key-value pairs in theDict.

### getValueIfPresent

public boolean getValueIfPresent(PointerType key, PointerByReference value)
Convenience method for `CoreFoundation.CFDictionaryGetValueIfPresent(com.sun.jna.platform.mac.CoreFoundation.CFDictionaryRef, com.sun.jna.PointerType, com.sun.jna.ptr.PointerByReference)` on this object.

Parameters:
  `key` - The key for which to find a match.
  `value` - A pointer to memory which, on return, is filled with the pointer-sized value if a matching key is found.
Returns:
  `true` if a matching key was found, otherwise `false`