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.NET and JavaScript UI Controls
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PromptChar Property

Returns or sets the prompt character. The default prompt character is the underscore (_).
Syntax
'Declaration
 
Public Property PromptChar As Char
public char PromptChar {get; set;}
Example
Following code sets some of the commonly used properties of UltraMaskedEdit in the Form's Load event

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinMaskedEdit

  Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load

      ' Set the InputMask to the desired mask.
      Me.ultraMaskedEdit1.InputMask = "mm/dd/yyyy"

      ' Set the DisplayMode, DataMode and ClipMode to desired values. DataMode dictates
      ' what the Text property (and Value property if the data is string type), returns.
      ' DisplayMode effects what gets displayed when the masked edit doesn't have focus.
      ' ClipMode effects what gets copied to the clipboard when the user copies text
      ' from the UltraMaskedEdit.
      Me.ultraMaskedEdit1.DataMode = MaskMode.IncludeLiterals
      Me.ultraMaskedEdit1.DisplayMode = MaskMode.IncludeLiterals
      Me.ultraMaskedEdit1.ClipMode = MaskMode.IncludeBoth

      ' If you want to show the spin buttons, set the SpinButtonDisplayStyle to either 
      ' OnRight or OnLeft. Spin buttons allow the user to conveniently increment or
      ' decrement a number section. It only works in numeric sections or date-time 
      ' sections.
      Me.ultraMaskedEdit1.SpinButtonDisplayStyle = SpinButtonDisplayStyle.OnRight

      ' You can also set the style of the spin buttons.
      Me.ultraMaskedEdit1.SpinButtonStyle = UIElementButtonStyle.PopupBorderless

      ' Set the border style to desired border style.
      Me.ultraMaskedEdit1.BorderStyle = UIElementBorderStyle.InsetSoft

      ' Set the DisplayStyle to desired display style. BorderStyle property settings
      ' will be ignored if you set the DisplayStyle to something other than Standard.
      Me.ultraMaskedEdit1.DisplayStyle = EmbeddableElementDisplayStyle.Standard

      ' Set the PromptChar to a desired character. Default is "_" (underscore character). 
      Me.ultraMaskedEdit1.PromptChar = "_"

      ' Set the PadChar to desired character. Default is " " (space character).
      Me.ultraMaskedEdit1.PadChar = " "

      ' You can set the padding in pixels around the text inside the masked edit.
      ' Default is 1.
      Me.ultraMaskedEdit1.Padding = 2

      ' Optionally assign an initialial value by setting the Value property.
      Me.ultraMaskedEdit1.Value = DateTime.Now

      ' Set the MinValue and MaxValues. The user input that doesn't satisfy these 
      ' min and max criteria is considered to be an invalid input and masked edit
      ' will fire MaskValidationError if the user tries to leave the control with
      ' such an input.
      Me.ultraMaskedEdit1.MinValue = New DateTime(1990, 1, 1)
      Me.ultraMaskedEdit1.MaxValue = New DateTime(2010, 12, 31)

	' The SpinWrap property gets/sets a value indicating whether the control's spin button
	' should wrap the value of a spinnable section. If true the spin button will wrap the
	' value incremented/decremented based on its Min/Max value.
	Me.ultraMaskedEdit1.SpinWrap = True

  End Sub
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinMaskedEdit;
using System.Diagnostics;

private void Form1_Load(object sender, System.EventArgs e)
{
	// Set the InputMask to the desired mask.
	this.ultraMaskedEdit1.InputMask = "mm/dd/yyyy";

	// Set the DisplayMode, DataMode and ClipMode to desired values. DataMode dictates
	// what the Text property (and Value property if the data is string type), returns.
	// DisplayMode effects what gets displayed when the masked edit doesn't have focus.
	// ClipMode effects what gets copied to the clipboard when the user copies text
	// from the UltraMaskedEdit.
	this.ultraMaskedEdit1.DataMode    = MaskMode.IncludeLiterals;
	this.ultraMaskedEdit1.DisplayMode = MaskMode.IncludeLiterals;
	this.ultraMaskedEdit1.ClipMode    = MaskMode.IncludeBoth;

	// If you want to show the spin buttons, set the SpinButtonDisplayStyle to either 
	// OnRight or OnLeft. Spin buttons allow the user to conveniently increment or
	// decrement a number section. It only works in numeric sections or date-time 
	// sections.
	this.ultraMaskedEdit1.SpinButtonDisplayStyle = SpinButtonDisplayStyle.OnRight;

	// You can also set the style of the spin buttons.
	this.ultraMaskedEdit1.SpinButtonStyle = UIElementButtonStyle.PopupBorderless;

	// Set the border style to desired border style.
	this.ultraMaskedEdit1.BorderStyle = UIElementBorderStyle.InsetSoft;

	// Set the DisplayStyle to desired display style. BorderStyle property settings
	// will be ignored if you set the DisplayStyle to something other than Standard.
	this.ultraMaskedEdit1.DisplayStyle = EmbeddableElementDisplayStyle.Standard;

	// Set the PromptChar to a desired character. Default is '_' (underscore character). 
	this.ultraMaskedEdit1.PromptChar = '_';
	
	// Set the PadChar to desired character. Default is ' ' (space character).
	this.ultraMaskedEdit1.PadChar = ' ';

	// You can set the padding in pixels around the text inside the masked edit.
	// Default is 1.
	this.ultraMaskedEdit1.Padding = 2;

	// Optionally assign an initialial value by setting the Value property.
	this.ultraMaskedEdit1.Value = DateTime.Now;

	// Set the MinValue and MaxValues. The user input that doesn't satisfy these 
	// min and max criteria is considered to be an invalid input and masked edit
	// will fire MaskValidationError if the user tries to leave the control with
	// such an input.
	this.ultraMaskedEdit1.MinValue = new DateTime( 1990, 1, 1 );
	this.ultraMaskedEdit1.MaxValue = new DateTime( 2010, 12, 31 );

      // The SpinWrap property gets/sets a value indicating whether the control's spin button
      // should wrap the value of a spinnable section. If true the spin button will wrap the
      // value incremented/decremented based on its Min/Max value.
       this.ultraMaskedEdit1.SpinWrap = true;
		
}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also