# C1.Blazor.Input.C1MaskedTextBox ## Content

C1MaskedTextBox Class

The C1MaskedTextBox control allows you to validate and format user input as it is entered, preventing users from entering invalid data.

C1MaskedTextBox

public class C1MaskedTextBox : C1TextBox, IComponent, IHandleAfterRender, IHandleEvent, IDisposable, IDependencyObject

Public Class C1MaskedTextBox
    Inherits C1TextBox
    Implements IComponent, IHandleAfterRender, IHandleEvent, IDisposable, IDependencyObject

Name	Description
C1MaskedTextBox()	Initializes a new instance of the C1MaskedTextBox class.

Name	Description
DisplayMode	Gets or set the DisplayMode value.
IsValid	Gets a value that determines whether the control contains a valid entry.
Mask	Gets or sets the input mask.
MaskFormat	Gets or set the MaskFormat value.
MaskedTextChanged	Occurs when consistent content that conforms to the Mask changes in the text box.
OnMaskFormatChanged	/// Occurs when consistent content that conforms to the MaskFormat changes. Gets or sets the callback called when the MaskFormat is changed.
OnMaskInputRejected	Gets or sets the callback called when the text changing is finished.
PromptChar	Gets or set the PromptChar value.
TabBehavior	Define the tab behavior if set.
Text	Gets or sets the text displayed.
Value	Gets text value.

Name	Description
ApplyMaskSettings()	Update client mask settings
Dispose(bool)
FocusAsync()	handle focus behavior.
FocusOutAsync()	handle lost-focus behavior.
GetActualType()	define the actual type of box DOM.
InitializeAsync()	This method is called when the component is initialized.
OnAfterRender(bool)
OnTextChangedAsync(string)
OnTextPropertyChanged(string, string)	Custom handling the text changed.
SetParametersAsync(ParameterView)