**Inheritance:**
java.lang.Object, com.aspose.ms.System.ValueType, com.aspose.ms.System.Enum
```
public final class MaskType extends System.Enum
```

Specifies the type of a mask.
## Fields

| Field | Description |
| --- | --- |
| [Characters](#Characters) | Indicates Characters mask type. |
| [LowerCaseLetters](#LowerCaseLetters) | Indicates LowerCaseLetters mask type. |
| [Null](#Null) | Indicates Null mask type. |
| [Numbers](#Numbers) | Indicates Numbers mask type. |
| [UpperCaseLetters](#UpperCaseLetters) | Indicates UpperCaseLetters mask type. |
| [Val4](#Val4) | Indicates Lookup for Cost mask type. |
| [Val5](#Val5) | Indicates Lookup for Dates mask type. |
| [Val6](#Val6) | Indicates Lookup for Durations mask type. |
| [Val7](#Val7) | Indicates Lookup for Numbers mask type. |
| [Val8](#Val8) | Indicates Lookup for Flags mask type. |
| [Val9](#Val9) | Indicates Lookup for FinishDate mask type. |
### Characters {#Characters}
```
public static final int Characters
```


Indicates Characters mask type.

### LowerCaseLetters {#LowerCaseLetters}
```
public static final int LowerCaseLetters
```


Indicates LowerCaseLetters mask type.

### Null {#Null}
```
public static final int Null
```


Indicates Null mask type.

### Numbers {#Numbers}
```
public static final int Numbers
```


Indicates Numbers mask type.

### UpperCaseLetters {#UpperCaseLetters}
```
public static final int UpperCaseLetters
```


Indicates UpperCaseLetters mask type.

### Val4 {#Val4}
```
public static final int Val4
```


Indicates Lookup for Cost mask type.

### Val5 {#Val5}
```
public static final int Val5
```


Indicates Lookup for Dates mask type.

### Val6 {#Val6}
```
public static final int Val6
```


Indicates Lookup for Durations mask type.

### Val7 {#Val7}
```
public static final int Val7
```


Indicates Lookup for Numbers mask type.

### Val8 {#Val8}
```
public static final int Val8
```


Indicates Lookup for Flags mask type.

### Val9 {#Val9}
```
public static final int Val9
```


Indicates Lookup for FinishDate mask type.