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PasswordBox.MaxLength Property

Gets or sets the maximum length for passwords to be handled by this PasswordBox. This is a dependency property.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public int MaxLength { get; set; }
<object MaxLength="int" .../>

Property Value

Type: System.Int32
An integer specifying the maximum length, in characters, for passwords to be handled by this PasswordBox.
A value of zero (0) means no limit.
The default value is 0 (no length limit).

Identifier field

MaxLengthProperty

Metadata properties set to true

None

This property only restricts passwords entered manually by the user; it has no effect on programmatic manipulation of the Password property.

The following example shows how to set the MaxLength attribute of a PasswordBox element.

<PasswordBox
  Name="pwdBox" 
  MaxLength="64"
  PasswordChar="#"
  PasswordChanged="PasswordChangedHandler"  
/>

The following example shows how to set the MaxLength property programmatically.

// Set the new maximum input length for passwords to 128 characters.
pwdBox.MaxLength = 128;

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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