Retrieves the current column that the input position (of the would-be caret) is at in the currently captured string.
The caret position can be changed programatically by using the DX11 SET CARET OFFSET / DX11 SET CARET POSITION functions
or by the user using the arrow keys or the home and end keys on his keyboard. The position also automatically changed as characters
are inserted or removed from the captured string.

Return Dword = DX11 GET CAPTURE CARET COLUMN()

This function does not take any parameters.

The current column at which the input caret is in the captured string.

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