4096	IMSIGX.TCW20.4,*TurboCAD for Windows 2.0,0,50,TCW20,TCW
4097	Version 1.0 Drawing - This drawing cannot be loaded directly by TurboCAD v4
First load the drawing into TurboCAD 2.0 and save it as a 2.0 file. Then try loading it into TurboCAD 4.0 again.
4098	Version 2.0 Drawing - This drawing will be automatically converted to Version v4 format.
4099	IMSIGX.SLW20.4,*TurboCAD for Windows 2.0 Symbols,0,50,TCW20,SLW
8193	File read error
8194	File open error
8195	Unknown error