MagVariation Property
Returns the current GPS reported magnetic variation.
Syntax
Visual Basic
object.MagVariation
Visual C++
object.GetMagVariation()
| Part
| Description |
| object |
An object expression that evaluates to a GPS ToolKit object. |
Example
Visual Basic
Dim magVariation As String
'Get magnetic variation
magVariation = myGPSToolKit.MagVariation
Visual C++
_variant_t vtMagVariation;
// Get magnetic variation
vtMagVariation = m_myGPSToolKit.GetMagVariation();
_bstr_t convBSTR = (_bstr_t)vtMagVariation;
CString strMagVariation = (LPCSTR)convBSTR;
Remarks
Magnetic variation is returned in the format dd.d X where dd.d is decimal degrees
and X is the character E or W signifying east or west, respectively.
Default
Empty (VT_EMPTY)
Returns
A VARIANT (type VT_BSTR/BSTR/VB String) containing the last reported magnetic variation value.
If no magnetic variation data is reported the variable will be empty (type VT_EMPTY).
Errors
None
See Also
TrueCourse property
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