MaskedTextProvider.PromptChar Property

Gets or sets the character used to represent the absence of user input for all available edit positions.

Namespace:  System.ComponentModel
Assembly:  System (in System.dll)

public char PromptChar { get; set; }

Property Value

Type: System.Char
The character used to prompt the user for input. The default is an underscore (_).

ExceptionCondition
InvalidOperationException

The prompt character specified when setting this property is the same as the current password character, PasswordChar. The two are required to be different.

ArgumentException

The character specified when setting this property is not a valid password character, as determined by the IsValidPasswordChar method.

The PromptChar property represents the prompt character that is used by the ToDisplayString and ToString methods to represent the current state of the formatted input string. A prompt character is placed in editable positions that have not yet been assigned an input value. Some versions of the ToString method also depend on the value of the IncludePrompt property.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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