protected override ValidationResult IsValid(
	Object value,
	ValidationContext validationContext
)

Protected Overrides Function IsValid ( 
	value As Object,
	validationContext As ValidationContext
) As ValidationResult

protected:
virtual ValidationResult^ IsValid(
	Object^ value, 
	ValidationContext^ validationContext
) override

abstract IsValid : 
        value : Object * 
        validationContext : ValidationContext -> ValidationResult 
override IsValid : 
        value : Object * 
        validationContext : ValidationContext -> ValidationResult