Tests whether the specified string could be set successfully.
true if the specified string represents valid input; otherwise, false.
The VerifyString applies the input string against the mask, without actually changing the formatted string, to test whether input would be valid in a corresponding Set operation. This method also returns true if input is null reference (Nothing in Visual Basic) or has zero length.
MaskedTextProvider Class | Resco.Controls.MaskedTextBox Namespace