#551 TCoolEdit: Text Block clipboard format is inconsistent

[Vidar Hasfjord]

TCoolTextWnd::TCoolTextWnd registers the clipboard format "CoolEdit Text Block". This custom format consists of text with a header tag of length IdSelSize (7) characters, which indicates the type of selection (stream, line or column). The remainder of the text is the actual selection.

However, the character type of this format is owl::tchar, hence depends on the character set build mode, which makes the clipboard format inconsistent. For example, two applications built with different character set modes will disagree on the format (ANSI vs Unicode UTF-16), which may lead to data corruption.

See TCoolTextWnd::SetDragData and TCoolTextWnd::TTextSelection::TextToClipboard.

The best solution seems to be to always use wide text (Unicode UTF-16) for this format.

[Vidar Hasfjord]

This issue was fixed in [r6548] as suggested; the "CoolEdit Text Block" format is now always using wide text (Unicode UTF-16).

After this and other recent fixes, the copy-and-paste functionality, including via drag-and-drop, seems to work well in CoolDemo now. Please review and test.