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MaskedTextBoxCell.cs
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MaskedTextBoxCell.cs
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/********************************* Module Header **********************************\
* Module Name: MaskedTextBoxCell.cs
* Project: CSWinFormDataGridView
* Copyright (c) Microsoft Corporation.
*
* This sample demonstrates how to create a custom DataGridView column.
\**********************************************************************************/
#region Using directives
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
#endregion
namespace CSWinFormDataGridView.CustomDataGridViewColumn
{
class MaskedTextBoxCell : DataGridViewTextBoxCell
{
private string mask;
private char promptChar;
private DataGridViewTriState includePrompt;
private DataGridViewTriState includeLiterals;
private Type validatingType;
/// <summary>
/// Initializes a new instance of this class. Fortunately, there's
/// not much to do here except make sure that our base class is also
/// initialized properly.
/// </summary>
public MaskedTextBoxCell()
: base()
{
this.mask = "";
this.promptChar = '_';
this.includePrompt = DataGridViewTriState.NotSet;
this.includeLiterals = DataGridViewTriState.NotSet;
this.validatingType = typeof(string);
}
/// <summary>
/// Whenever the user is to begin editing a cell of this type, the editing
/// control must be created, which in this column type's case is a subclass
/// of the MaskedTextBox control.
///
/// This routine sets up all the properties and values on this control
/// before the editing begins.
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="initialFormattedValue"></param>
/// <param name="dataGridViewCellStyle"></param>
public override void InitializeEditingControl(int rowIndex,
object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
MaskedTextBoxEditingControl mtbEditingCtrl;
MaskedTextBoxColumn mtbColumn;
DataGridViewColumn dgvColumn;
base.InitializeEditingControl(rowIndex, initialFormattedValue,
dataGridViewCellStyle);
mtbEditingCtrl = DataGridView.EditingControl as MaskedTextBoxEditingControl;
//
// Set up props that are specific to the MaskedTextBox
//
dgvColumn = this.OwningColumn; // this.DataGridView.Columns[this.ColumnIndex];
if (dgvColumn is MaskedTextBoxColumn)
{
mtbColumn = dgvColumn as MaskedTextBoxColumn;
//
// get the mask from this instance or the parent column.
//
if (string.IsNullOrEmpty(this.mask))
{
mtbEditingCtrl.Mask = mtbColumn.Mask;
}
else
{
mtbEditingCtrl.Mask = this.mask;
}
//
// Prompt char.
//
mtbEditingCtrl.PromptChar = this.PromptChar;
//
// IncludePrompt
//
if (this.includePrompt == DataGridViewTriState.NotSet)
{
//mtbEditingCtrl.IncludePrompt = mtbcol.IncludePrompt;
}
else
{
//mtbEditingCtrl.IncludePrompt = BoolFromTri(this.includePrompt);
}
//
// IncludeLiterals
//
if (this.includeLiterals == DataGridViewTriState.NotSet)
{
//mtbEditingCtrl.IncludeLiterals = mtbcol.IncludeLiterals;
}
else
{
//mtbEditingCtrl.IncludeLiterals = BoolFromTri(this.includeLiterals);
}
//
// Finally, the validating type ...
//
if (this.ValidatingType == null)
{
mtbEditingCtrl.ValidatingType = mtbColumn.ValidatingType;
}
else
{
mtbEditingCtrl.ValidatingType = this.ValidatingType;
}
mtbEditingCtrl.Text = (string)this.Value;
}
}
/// <summary>
/// Returns the type of the control that will be used for editing
/// cells of this type. This control must be a valid Windows Forms
/// control and must implement IDataGridViewEditingControl.
/// </summary>
public override Type EditType
{
get
{
return typeof(MaskedTextBoxEditingControl);
}
}
/// <summary>
/// A string value containing the Mask against input for cells of
/// this type will be verified.
/// </summary>
public virtual string Mask
{
get
{
return this.mask;
}
set
{
this.mask = value;
}
}
/// <summary>
/// The character to use for prompting for new input.
/// </summary>
public virtual char PromptChar
{
get
{
return this.promptChar;
}
set
{
this.promptChar = value;
}
}
/// <summary>
/// A boolean indicating whether to include prompt characters in
/// the Text property's value.
/// </summary>
public virtual DataGridViewTriState IncludePrompt
{
get
{
return this.includePrompt;
}
set
{
this.includePrompt = value;
}
}
/// <summary>
/// A boolean value indicating whether to include literal characters
/// in the Text property's output value.
/// </summary>
public virtual DataGridViewTriState IncludeLiterals
{
get
{
return this.includeLiterals;
}
set
{
this.includeLiterals = value;
}
}
/// <summary>
/// A Type object for the validating type.
/// </summary>
public virtual Type ValidatingType
{
get
{
return this.validatingType;
}
set
{
this.validatingType = value;
}
}
/// <summary>
/// Quick routine to convert from DataGridViewTriState to boolean.
/// True goes to true while False and NotSet go to false.
/// </summary>
/// <param name="tri"></param>
/// <returns></returns>
protected static bool BoolFromTri(DataGridViewTriState tri)
{
return (tri == DataGridViewTriState.True) ? true : false;
}
}
}