Lock(RectL,BitmapLockFlags) Method

The access mode you wish to obtain for the lock. This is a bitwise combination of BitmapLockFlags for read, write, or read and write access.

Value	Meaning
BitmapLockFlags.Read	The read access lock.
BitmapLockFlags.Write	The write access lock.

Provides access to a rectangular area of the bitmap.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function Lock( _
   ByVal rcLockRef As RectL, _
   ByVal flags As BitmapLockFlags _
) As BitmapLock

public BitmapLock Lock( 
   RectL rcLockRef,
   BitmapLockFlags flags
)

Parameters

rcLockRef

The rectangle to be accessed.

flags

The access mode you wish to obtain for the lock. This is a bitwise combination of BitmapLockFlags for read, write, or read and write access.

Value	Meaning
BitmapLockFlags.Read	The read access lock.
BitmapLockFlags.Write	The write access lock.

Return Value

A reference that receives the locked memory location.

Remarks

Locks are exclusive for writing but can be shared for reading. You cannot call CopyPixels while the Bitmap is locked for writing. Doing so will return an error, since locks are exclusive.

Reference

Bitmap Class
Bitmap Members
Overload List