hwILayer GetID
Gets the ID of a layer.
Syntax
hwILayer_handle GetID
Application
Tcl Query
Description
Each layer has a unique, unchangeable ID that is established when it is added to the project. The layer's ID is used for getting a handle to that layer from the hwIProject.
Returns the ID of the layer.
Example
To get the ID of a newly-added
layer:
hwi GetSessionHandle mySession
mySession GetProjectHandle myProject
set layerID [myProject AddLayer]
myProject GetLayerHandle myLayer $layerID
myLayer GetID
Error
Success (0) or an error code.