Defining Attachments to Components That Have Borders

Some components may have special outlines or scroll bars. By default, when an attachment is attached to the side of a component, the actual attachment point is considered to be the edge of the component itself. This point is along the inside edge of any special outline that the component may have. It is also inside any attached scroll bars that may be associated with the component.

External attachments enable you to create attachments with attachment points on the outer edge of the component dressing. This type of attachment is often necessary when the component dressing is a fixed number of pixels, as it is with component outlines and component attached scroll bars. To create an external attachment, you should initiate rubber-band line mode with an extended drag operation instead of a normal drag.

External attachments look different from other attachments. They use a thicker line, and the terminating point of the directed arrow is the component border instead of the component itself.

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