| Write/Read | About GCA Analysis | 
| Description | Sets and returns the type of data to display on the x-axis of a compression analysis trace. | 
| VB Syntax | gcaMeas.AnalysisXAxis = value | 
| Variable | (Type) - Description | 
| gcaMeas | A GainCompressionMeas (object) | 
| value | (Enum as NAGCAAnalysisXAxis) Choose from: naPsourceAsXAxis (0) - Power from the source. naPinAsXAxis (1) - Input power to the DUT. | 
| Return Type | Enum | 
| Default | naPinAsXAxis (1) | 
| Examples | gcaMeas.AnalysisXAxis = naPinAsXAxis 'Write | 
| xAxis = gca.AnalysisXAxis 'Read | |
| C++ Syntax | HRESULT get_AnalysisXAxis(tagNAGCAAnalysisXAxis* value) HRESULT put_AnalysisXAxis(tagNAGCAAnalysisXAxis value) | 
| Interface | IGainCompressionMeas |