TLazRegion.CombineWith procedure

Member of TLazRegionpublicIn unit LazRegions

Combines the specified source region using the given region operation.

Declaration

pascal

procedure CombineWith(ASrcRegion: TLazRegion; AOperation: LongInt)

Arguments

`ASrcRegion`	Source region with values applied in the method.
`AOperation`	Combine region flag with the operation to perform for the subregions.

Description

ASrcRegion is the source region with the Parts applied in the method.

AOperation can contain a Combine Region flag that includes:

RGN_AND (1)
RGN_OR (2)
RGN_XOR (3)
RGN_DIFF (4)
RGN_COPY(5)

In the current LCL version, only RGN_COPY and RGN_OR are implemented; all other values are ignored and no actions are performed in the method. RGN_COPY causes the Parts in ASrcRegion to be assigned to the Parts in the current class instance. RGN_OR cause the Parts in ASrcRegion to the be added to the Parts in the current class instance.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.