TMetafile Members

The following tables list the members exposed by TMetafile.

	Name	Description
	_AddRef	Increments the reference count for the interfaced object's interface.
	_Release	Decrements the reference count for the interfaced object's interface.
	AssignTo	Copies the properties of an object to a destination object.
	Changed	Called when graphic has changed.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.
	DefineProperties	Set virtual property for reading and writing graphic data stream.
	Draw	Render graphic onto canvas at rectangle.
	DrawTransparent	Render graphic onto canvas at rectangle, blending with canvas's background.
	Equals	This is the overview for the Equals method overload.
	GetEmpty	Indicates whether graphics object contains graphic.
	GetHeight	Get vertical size of graphic in pixels.
	GetOwner	Returns the owner of an object.
	GetPalette	Get color palette of graphical image.
	GetSupportsPartialTransparency	Indicate whether graphic supports partial transparency.
	GetTransparent	Specifies if graphic is drawn transparently.
	GetWidth	Get horizontal size of graphic in pixels.
	Progress	Generate OnProgress event when graphic is changing.
	ReadData	Read graphic data from TStream.
	ReadEMFStream	This is ReadEMFStream, a member of class TMetafile.
	ReadWMFStream	This is ReadWMFStream, a member of class TMetafile.
	SetHeight	Set vertical size of graphic in pixels.
	SetPalette	Set color palette of graphical image.
	SetTransparent	Specify if graphic should be drawn transparently.
	SetWidth	Set horizontal size of graphic in pixels.
	TestEMF	This is TestEMF, a member of class TMetafile.
	WriteData	Write graphic data to TStream.
	WriteEMFStream	This is WriteEMFStream, a member of class TMetafile.
	WriteWMFStream	This is WriteWMFStream, a member of class TMetafile.

Public Events

	Name	Description
	OnChange	Occurs whenever a graphical image changes.
	OnProgress	Occurs when a graphical image is in the process of changing.

Public Methods

	Name	Description
	_AddRef	Increments the reference count for this interface.
	_Release	Decrements the reference count for this interface.
	AfterConstruction	Obtains a reference to the Owner's interface.
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies an object to the metafile.
	BeforeDestruction	Responds before the first destructor executes.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	Clear	Deletes the metafile image.
	Create	Instantiates a metafile object.
	DefaultHandler	Provides the interface for a method that processes message records.
	Destroy	Destroys an instance of a metafile object.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	Equals	Checks if the current instance and the parameter are equal.
	FieldAddress	This is the overview for the FieldAddress method overload.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	GetHashCode	Returns an integer containing the hash code.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	HandleAllocated	Indicates whether the TMetafile object has acquired a handle to the underlying GDI object.
	InheritsFrom	Determines the relationship of two object types.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	LoadFromClipboardFormat	Loads a metafile from the Clipboard.
	LoadFromFile	Loads a graphic image stored in a file.
	LoadFromStream	Loads the metafile from a stream.
	MethodAddress	This is the overview for the MethodAddress method overload.
	MethodName	Returns the name of a class method by address.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReleaseHandle	Releases the Windows GDI object represented by the metafile.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SaveToClipboardFormat	Saves a metafile to a Clipboard format.
	SaveToFile	Writes the metafile to disk.
	SaveToStream	Writes the metafile to a stream.
	SetSize	Specifies the size of the metafile.
	ToString	Returns a string containing the class name.
	UnitName	Returns a string containing the unit name.

Public Properties

	Name	Description
	CreatedBy	Specifies the name of the author or application used to create the metafile.
	Description	Provides an optional text description that is embedded in the metafile.
	Empty	Indicates whether the graphics object contains a graphic.
	Enhanced	Determines how the metafile will be stored on disk.
	Handle	Provides access to the Windows GDI metafile handle, for accessing the GDI metafile object.
	Height	Specifies the vertical size of the graphic in pixels.
	Inch	Returns the units per inch that are used for the metafile's coordinate mapping.
	MMHeight	Contains the height of the metafile image in 0.01 millimeter units, the native scale used by enhanced metafiles.
	MMWidth	Contains the width of the metafile image in 0.01 millimeter units, the native scale used by enhanced metafiles.
	Modified	Indicates whether the graphics object has been changed or edited.
	Palette	Indicates the color palette of the graphical image.
	PaletteModified	Indicates whether the palette has changed.
	SupportsPartialTransparency	Indicate whether graphic supports partial transparency or an alpha channel.
	Transparent	Indicates whether the image covers its rectangular area.
	Width	Determines the maximum width of the graphics object in pixels.

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