Hello Rael,
From your post, my understanding on this issue is: you want to know why the
line variable=(System.Array)range.cells.locked; return system.dbnull,
instead of an array of locked properties of the celss. If I'm off base,
please feel free to let me know.
When I test the line of code, VSTO reports the following exception:
Unable to cast object of type 'System.Boolean' to type 'System.Array'.
According to the MSDN article
http://msdn2.microsoft.com/en-us/library/aa175691(office.11).aspx (locked
property as it applies to the CellFormat and Range objects), the Locked
property of Range is True if the object is locked, False if the object can
be modified when the sheet is protected. Returns Null if the specified
range contains both locked and unlocked cells. Therefore, we could not cast
the Range.Locked to a System.Array object. If you do want to get an array,
we need to iterate the cells in the range and put each Locked property into
an array object.
Please let me know if you have any other concerns, or need anything else.
Sincerely,
Jialiang Ge (
[email protected], remove 'online.')
Microsoft Online Community Support
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