ScrAddWarning

Logs a warning to the Information / Errors / Warnings window.
UI Command:	None.
Syntax:	`obj.ScrAddWarning(<warning>)`
Parameters:	BSTR warning
Return Value:	None.
VB Example:	`obj.ScrAddWarning("This is my warning.")`
IPY Example:	`oDoc.ScrAddWarning('This is my warning.')`