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//------------------------------------------------------------------------------
// <copyright file="DataGridViewComboBoxColumn.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Windows.Forms
{
using System;
using System.Text;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Design;
using System.Globalization;
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn"]/*' />
[
Designer("System.Windows.Forms.Design.DataGridViewComboBoxColumnDesigner, " + AssemblyRef.SystemDesign),
ToolboxBitmapAttribute(typeof(DataGridViewComboBoxColumn), "DataGridViewComboBoxColumn.bmp")
]
public class DataGridViewComboBoxColumn : DataGridViewColumn
{
private static Type columnType = typeof(DataGridViewComboBoxColumn);
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DataGridViewComboBoxColumn"]/*' />
public DataGridViewComboBoxColumn() : base(new DataGridViewComboBoxCell())
{
((DataGridViewComboBoxCell)base.CellTemplate).TemplateComboBoxColumn = this;
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.AutoComplete"]/*' />
[
Browsable(true),
DefaultValue(true),
SRCategory(SR.CatBehavior),
SRDescription(SR.DataGridView_ComboBoxColumnAutoCompleteDescr)
]
public bool AutoComplete
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.AutoComplete;
}
set
{
if (this.AutoComplete != value)
{
this.ComboBoxCellTemplate.AutoComplete = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.AutoComplete = value;
}
}
}
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.CellTemplate"]/*' />
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
public override DataGridViewCell CellTemplate
{
get
{
return base.CellTemplate;
}
set
{
DataGridViewComboBoxCell dataGridViewComboBoxCell = value as DataGridViewComboBoxCell;
if (value != null && dataGridViewComboBoxCell == null)
{
throw new InvalidCastException(SR.GetString(SR.DataGridViewTypeColumn_WrongCellTemplateType, "System.Windows.Forms.DataGridViewComboBoxCell"));
}
base.CellTemplate = value;
if (value != null)
{
dataGridViewComboBoxCell.TemplateComboBoxColumn = this;
}
}
}
private DataGridViewComboBoxCell ComboBoxCellTemplate
{
get
{
return (DataGridViewComboBoxCell) this.CellTemplate;
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DataSource"]/*' />
[
DefaultValue(null),
SRCategory(SR.CatData),
SRDescription(SR.DataGridView_ComboBoxColumnDataSourceDescr),
RefreshProperties(RefreshProperties.Repaint),
AttributeProvider(typeof(IListSource)),
]
public object DataSource
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.DataSource;
}
set
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
this.ComboBoxCellTemplate.DataSource = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.DataSource = value;
}
}
this.DataGridView.OnColumnCommonChange(this.Index);
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DisplayMember"]/*' />
[
DefaultValue(""),
SRCategory(SR.CatData),
SRDescription(SR.DataGridView_ComboBoxColumnDisplayMemberDescr),
TypeConverterAttribute("System.Windows.Forms.Design.DataMemberFieldConverter, " + AssemblyRef.SystemDesign),
Editor("System.Windows.Forms.Design.DataMemberFieldEditor, " + AssemblyRef.SystemDesign, typeof(System.Drawing.Design.UITypeEditor))
]
public string DisplayMember
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.DisplayMember;
}
set
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
this.ComboBoxCellTemplate.DisplayMember = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.DisplayMember = value;
}
}
this.DataGridView.OnColumnCommonChange(this.Index);
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DisplayStyle"]/*' />
[
DefaultValue(DataGridViewComboBoxDisplayStyle.DropDownButton),
SRCategory(SR.CatAppearance),
SRDescription(SR.DataGridView_ComboBoxColumnDisplayStyleDescr)
]
public DataGridViewComboBoxDisplayStyle DisplayStyle
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.DisplayStyle;
}
set
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
this.ComboBoxCellTemplate.DisplayStyle = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.DisplayStyleInternal = value;
}
}
// Calling InvalidateColumn instead of OnColumnCommonChange because DisplayStyle does not affect preferred size.
this.DataGridView.InvalidateColumn(this.Index);
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DisplayStyleForCurrentCellOnly"]/*' />
[
DefaultValue(false),
SRCategory(SR.CatAppearance),
SRDescription(SR.DataGridView_ComboBoxColumnDisplayStyleForCurrentCellOnlyDescr)
]
public bool DisplayStyleForCurrentCellOnly
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.DisplayStyleForCurrentCellOnly;
}
set
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
this.ComboBoxCellTemplate.DisplayStyleForCurrentCellOnly = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.DisplayStyleForCurrentCellOnlyInternal = value;
}
}
// Calling InvalidateColumn instead of OnColumnCommonChange because DisplayStyleForCurrentCellOnly does not affect preferred size.
this.DataGridView.InvalidateColumn(this.Index);
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.DropDownWidth"]/*' />
[
DefaultValue(1),
SRCategory(SR.CatBehavior),
SRDescription(SR.DataGridView_ComboBoxColumnDropDownWidthDescr),
]
public int DropDownWidth
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.DropDownWidth;
}
set
{
if (this.DropDownWidth != value)
{
this.ComboBoxCellTemplate.DropDownWidth = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.DropDownWidth = value;
}
}
}
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.FlatStyle"]/*' />
[
DefaultValue(FlatStyle.Standard),
SRCategory(SR.CatAppearance),
SRDescription(SR.DataGridView_ComboBoxColumnFlatStyleDescr),
]
public FlatStyle FlatStyle
{
get
{
if (this.CellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return ((DataGridViewComboBoxCell) this.CellTemplate).FlatStyle;
}
set
{
if (this.FlatStyle != value)
{
((DataGridViewComboBoxCell)this.CellTemplate).FlatStyle = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.FlatStyleInternal = value;
}
}
this.DataGridView.OnColumnCommonChange(this.Index);
}
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.Items"]/*' />
[
Editor("System.Windows.Forms.Design.StringCollectionEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
SRCategory(SR.CatData),
SRDescription(SR.DataGridView_ComboBoxColumnItemsDescr)
]
public DataGridViewComboBoxCell.ObjectCollection Items
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.GetItems(this.DataGridView);
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.ValueMember"]/*' />
[
DefaultValue(""),
SRCategory(SR.CatData),
SRDescription(SR.DataGridView_ComboBoxColumnValueMemberDescr),
TypeConverterAttribute("System.Windows.Forms.Design.DataMemberFieldConverter, " + AssemblyRef.SystemDesign),
Editor("System.Windows.Forms.Design.DataMemberFieldEditor, " + AssemblyRef.SystemDesign, typeof(System.Drawing.Design.UITypeEditor))
]
public string ValueMember
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.ValueMember;
}
set
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
this.ComboBoxCellTemplate.ValueMember = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.ValueMember = value;
}
}
this.DataGridView.OnColumnCommonChange(this.Index);
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.MaxDropDownItems"]/*' />
[
DefaultValue(DataGridViewComboBoxCell.DATAGRIDVIEWCOMBOBOXCELL_defaultMaxDropDownItems),
SRCategory(SR.CatBehavior),
SRDescription(SR.DataGridView_ComboBoxColumnMaxDropDownItemsDescr)
]
public int MaxDropDownItems
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.MaxDropDownItems;
}
set
{
if (this.MaxDropDownItems != value)
{
this.ComboBoxCellTemplate.MaxDropDownItems = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.MaxDropDownItems = value;
}
}
}
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.Sorted"]/*' />
[
DefaultValue(false),
SRCategory(SR.CatBehavior),
SRDescription(SR.DataGridView_ComboBoxColumnSortedDescr)
]
public bool Sorted
{
get
{
if (this.ComboBoxCellTemplate == null)
{
throw new InvalidOperationException(SR.GetString(SR.DataGridViewColumn_CellTemplateRequired));
}
return this.ComboBoxCellTemplate.Sorted;
}
set
{
if (this.Sorted != value)
{
this.ComboBoxCellTemplate.Sorted = value;
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.Sorted = value;
}
}
}
}
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.Clone"]/*' />
public override object Clone()
{
DataGridViewComboBoxColumn dataGridViewColumn;
Type thisType = this.GetType();
if (thisType == columnType) //performance improvement
{
dataGridViewColumn = new DataGridViewComboBoxColumn();
}
else
{
// SECREVIEW : Late-binding does not represent a security thread, see bug#411899 for more info..
//
dataGridViewColumn = (DataGridViewComboBoxColumn)System.Activator.CreateInstance(thisType);
}
if (dataGridViewColumn != null)
{
base.CloneInternal(dataGridViewColumn);
((DataGridViewComboBoxCell) dataGridViewColumn.CellTemplate).TemplateComboBoxColumn = dataGridViewColumn;
}
return dataGridViewColumn;
}
internal void OnItemsCollectionChanged()
{
// Items collection of the CellTemplate was changed.
// Update the items collection of each existing DataGridViewComboBoxCell in the column.
if (this.DataGridView != null)
{
DataGridViewRowCollection dataGridViewRows = this.DataGridView.Rows;
int rowCount = dataGridViewRows.Count;
object[] items = ((DataGridViewComboBoxCell)this.CellTemplate).Items.InnerArray.ToArray();
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
DataGridViewComboBoxCell dataGridViewCell = dataGridViewRow.Cells[this.Index] as DataGridViewComboBoxCell;
if (dataGridViewCell != null)
{
dataGridViewCell.Items.ClearInternal();
dataGridViewCell.Items.AddRangeInternal(items);
}
}
this.DataGridView.OnColumnCommonChange(this.Index);
}
}
/// <include file='doc\DataGridViewComboBoxColumn.uex' path='docs/doc[@for="DataGridViewComboBoxColumn.ToString"]/*' />
/// <devdoc>
/// <para></para>
/// </devdoc>
public override string ToString()
{
StringBuilder sb = new StringBuilder(64);
sb.Append("DataGridViewComboBoxColumn { Name=");
sb.Append(this.Name);
sb.Append(", Index=");
sb.Append(this.Index.ToString(CultureInfo.CurrentCulture));
sb.Append(" }");
return sb.ToString();
}
}
}
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