CGDataProviderGetBytesCallback Delegate

A callback function that copies from a provider data stream into a Quartz-supplied buffer.

Original signature is : size_t (*CGDataProviderGetBytesCallback) ( void *info, void *buffer, size_t count );

Available in Mac OS X v10.3 and later.

Declaration Syntax

Visual Basic

Visual C++

public delegate NSUInteger CGDataProviderGetBytesCallback(
	IntPtr info,
	IntPtr buffer,
	NSUInteger count
)

Public Delegate Function CGDataProviderGetBytesCallback ( _
	info As IntPtr, _
	buffer As IntPtr, _
	count As NSUInteger _
) As NSUInteger

public delegate NSUInteger CGDataProviderGetBytesCallback(
	IntPtr info, 
	IntPtr buffer, 
	NSUInteger count
)

Parameters

info (IntPtr): A generic pointer to private data shared among your callback functions. This is the same pointer you supplied to CGDataProviderCreate.

buffer (IntPtr): The Quartz-supplied buffer into which you copy the specified number of bytes.

Return Value

The number of bytes copied. If no more data can be written to the buffer, you should return 0.

Version Information

Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)

Assembly: Monobjc.AppKit (Module: Monobjc.AppKit)