# Properties | Property | Description | | ------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **AutoSize** | Gets or sets whether the edit control is auto-sized | | **PlaceHolder** | Gets or sets the character used as the placeholder in a masked editor | | **Mask** | Gets or sets a mask expression | | **MaskType** | Gets or sets the mask type | | **Value** | Gets or sets the value associated to the mask edit box | | **TextMaskFormat** | Gets or sets a value that determines whether literals and prompt characters are included in the formatted string | | **UseGenericBorderPaint** | Gets or sets a value indicating whether to show the bottom part of characters, clipped due to font name or size particularities | | **TextAlign** | Gets or sets the horizontal alignment of the text | | **ShortcutsEnabled** | Gets or sets a value indicating whether the defined shortcuts are enabled | | **SelectionStart** | Gets or sets the starting point of text selected in the text box | | **Modified** | Gets or sets a value indicating whether the RadTextBox control has been modified by the user since the control was created or since its contents were last set | | **Multiline** | Gets or sets a value indicating whether this is a multiline TextBox control | | **NullText** | Gets or sets the text that is displayed when the ComboBox contains a null reference | | **PasswordChar** | Gets or sets the character used to mask characters of a password in a single-line TextBox control | | **ReadOnly** | Gets or sets a value indicating whether the contents of the TextBox control can be changed | | **ScrollBars** | Gets or sets which scroll bars should appear in a multiline TextBox control | | **SelectedText** | Gets or sets a value indicating the currently selected text in the control | | **SelectionLength** | Gets or sets the number of characters selected in the text box | | **HideSelection** | Gets or sets a value indicating whether the selected text remains highlighted even when the RadTextBox has lost the focus | | **Lines** | Gets or sets the lines of text in multiline configurations | | **AcceptsReturn** | Gets or sets a value indicating whether pressing ENTER in a multiline RadTextBox control creates a new line of text in the control or activates the default button for the form | | **AcceptsTab** | Gets or sets a value indicating whether pressing the TAB key in a multiline text box control types a TAB character in the control instead of moving the focus to the next control in the tab order | | **CharacterCasing** | Gets or sets a value indicating whether the RadTextBox control modifies the case of characters as they are typed | | **Culture** | Gets or sets the current culture associated to the RadMasedkEditBox | ## RadMaskedEditBoxElement's Properties | Property | Description | | ------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **EnableClickSelectionStart** | Enables the SelectionStartMouseClick functionality. | | **SelectionStartOnMouseClick** | The selection start will be moved to this position when EnableClickSelectionStart is enabled. | | **SelectionLengthOnMouseClick** | The selection length will be set to this value when EnableClickSelectionStart is enabled. | | **ContextMenu** | Represent the RadMaskedEditBox ContextMenu. | | **Provider** | Represents the provider that handles the applied MaskType functionality. | | **AllowPromptAsInput** | Indicates whether the prompt char is allowed as input. | | **ResultHint** | This returns the result hint for the last assignment to the property. If the assigned text could not be properly formatted, this will contain a hint as to why not. Positive values indicate success. Negative values indicate failure. | | **HintPosition** | This returns the result hint position for the last assignment to the property. | | **UnmaskedText** | This read-only property returns the unmasked copy of the text. | | **PromptChar** | This is used to set or get the prompt character for display in the label text. | | **IncludePrompt** | Gets or sets whether or not prompt characters are displayed in the label text. | | **EnableNullValueInput** | Gets or set a value indicating whether end users can set the value to NULL. This can be achieved by pressing Ctrl + Del or Ctrl + 0 key combinations. | ## Methods | Method | Description | | ------------- | --------------------------------------------------------------------------------------- | | **Clear** | Clears all text from the text box control and Value | | **ClearUndo** | Clears information about the most recent operation from the undo buffer of the text box | | **SelectAll** | selects the whole text | ## Events | Event | Description | | -------------------- | -------------------------------------------------------------------------- | | **ValueChanged** | Occurs when the editing value has been changed | | **ValueChanging** | Occurs when the editing value is changing | | **KeyDown** | Occurs when the RadItem has focus and the user presses a key down | | **KeyPress** | Occurs when the RadItem has focus and the user presses a key | | **KeyUp** | Occurs when the RadItem has focus and the user releases the pressed key up | | **MultilineChanged** | Occurs when the value of the **Multiline** property has changed | | **TextAlignChanged** | Occurs when the value of the TextAlign property has changed | ## See Also * [Properties](https://docs.telerik.com/devtools/winforms/api/telerik.wincontrols.ui.radmaskededitbox.html#properties) * [Methods](https://docs.telerik.com/devtools/winforms/api/telerik.wincontrols.ui.radmaskededitbox.html#methods) * [Events](https://docs.telerik.com/devtools/winforms/api/telerik.wincontrols.ui.radmaskededitbox.html#events)