CodecsOverlayCallback Delegate

Provides a callback method that gets called when loading a file containing an overlay.

Syntax

public delegate void CodecsOverlayCallback( 
   CodecsOverlayData data
)

public delegate void CodecsOverlayCallback( 
   CodecsOverlayData data
)

typedef void (^LTCodecsOverlayCallback)(LTCodecsOverlayData* data);

CodecsOverlayCallback( 
   data 
)

public delegate void CodecsOverlayCallback( 
   CodecsOverlayData^ data
)

'Declaration
 
Public Delegate Sub CodecsOverlayCallback( _
   ByVal data As CodecsOverlayData _
)

'Usage
 
Dim instance As New CodecsOverlayCallback(AddressOf HandlerMethod)

data: A CodecsOverlayData object that contains information about the callback. Some members of this object are for input, some are for output. For more information, refer to CodecsOverlayData.

Remarks

The CodecsOverlayCallback delegate is passed to RasterCodecs.StartOverlay to get the overlay image and other information from the user when loading a file containing an overlay.

Example

For an example, refer to RasterCodecs.StartOverlay

Requirements