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Call this function within your control's DoPropExchange member function to serialize or initialize a property of type double.
BOOL PX_Double( CPropExchange* pPX, LPCTSTR pszPropName, double& doubleValue ); BOOL PX_Double( CPropExchange* pPX, LPCTSTR pszPropName, double& doubleValue, double doubleDefault );
Pointer to the CPropExchange object (typically passed as a parameter to DoPropExchange).
The name of the property being exchanged.
Reference to the variable where the property is stored (typically a member variable of your class).
Default value for the property.