The toolbox is adjusted automatically to the active layer. This means depending on the type of the active layer, PhotoLine is showing the matching tools. Therefore, you are never able to select a tool, which cannot be used with the current layer.
PhotoLine contains so many functions, so that not all of them fit in the toolbox together. Because of that, some tools have a small red triangle at the bottom right. Those tools are used multiple. By clicking and holding the mouse button, after a short delay the available selection of tools appears.
There are two types of tools in the toolbar: