Context menu in the header

Make the following settings in the context menu of the header:

复制列	Duplicated the column under the cursor.
复制所选列	Duplicates the selected columns.
左侧插入空列	Adds an empty row at the left of the clicked column.
右侧插入空列	Adds an empty row at the right of the clicked column.
删除列	Deletes the column at the cursor position.
删除所选列	Deletes all the selected columns.
设置针床中心	Sets the needle bed center at the column under the cursor.
设置默认中心	Sets the needle bed center to default.
Column Cycles	Select a column cycle to draw with it. Delete the column cycle. Open the Column Cycles table of the Pattern Parameters: Column Cycles (pattern parameters)