Paste
（A） Select All (A)
Select Invert
Delete
Combine
Uncombine
Group
Ungroup
To Curve
To Dashed Line
Offset
Ungroup Text
3.1.Undo (U)/Redo Recovery (R)
During graph editing, if the current operation is not satisfying, “Undo” can be
used for undoing current operation and bring the previous operation back; after
the current operation is undone, “Redo” can be used for redoing the undone
operation. This is one of functions most frequently used in editing.
The icon of the “Undo” menu in the Toolbar is , while the icon of the
“Redo Recovery” menu in the Toolbar is . Similar to most software, those
two operations have their corresponding shortcut keys, i.e. Ctrl+Z and Ctrl+Y
respectively.
3.2.Cut (T), Copy (C) and Paste (P)
“Cut” will delete the selected graph and copy it to the clipboard of the system.
Then “Paste” will copy the graph in the clipboard to the current graph. “Copy”
will copy the selected graph to the system clipboard and keep the original
graph.
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