Mask Property

In This Topic

Gets/Sets the input mask to use at runtime.

Syntax

Visual Basic
C#

'Declaration
 
Public Property Mask As System.String

'Usage
 
Dim instance As NMaskedTextBox
Dim value As System.String
 
instance.Mask = value
 
value = instance.Mask

public System.string Mask {get; set;}

Remarks

Mask Character	Description
0	Digit, required. This element will accept any single digit between 0 and 9.
9	Digit or space, optional.
#	Digit or space, optional. If this position is blank in the mask, it will be rendered as a space in the Text property. Plus (+) and minus (-) signs are allowed.
L	Letter, required. Restricts input to the ASCII letters a-z and A-Z. This mask element is equivalent to [a-zA-Z] in regular expressions.
?	Letter, optional. Restricts input to the ASCII letters a-z and A-Z. This mask element is equivalent to [a-zA-Z]? in regular expressions.
&	Character, required.
C	Character, optional.
A	Alphanumeric, required.
a	Alphanumeric, optional.
.	Decimal placeholder. The actual display character used will be the decimal symbol appropriate to the format provider, as determined by the control's FormatProvider property.
,	Thousands placeholder. The actual display character used will be the thousands placeholder appropriate to the format provider, as determined by the control's FormatProvider property.
All other characters	Literals. All non-mask elements will appear as themselves within NMaskedTextBox. Literals always occupy a static position in the mask at run time, and cannot be moved or deleted by the user.

Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

NMaskedTextBox Class
NMaskedTextBox Members

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