Gets or sets whether a cell's editor can lose focus when a value hasn't been entered for the Simple, Regular and RegEx mask types. This is a dependency property.
true, if a cell's editor can lose focus when a value has not been entered; otherwise, false.
If the MaskIgnoreBlank property is set to true, an empty editor can lose focus. If the cell's value is only partially completed (there are still empty placeholders), focus cannot be moved from the cell's editor until an end-user enters the entire value or deletes the value by clearing the edit box.
If the MaskIgnoreBlank property is set to false, focus cannot be moved from the cell's editor until its value has been completely filled.