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DataGridViewComboBoxCell.MaxDropDownItems Property

Gets or sets the maximum number of items shown in the drop-down list.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public virtual int MaxDropDownItems { get; set; }

Property Value

Type: System.Int32
The number of drop-down list items to allow. The minimum is 1 and the maximum is 100; the default is 8.

ExceptionCondition
ArgumentOutOfRangeException

The value is less than 1 or greater than 100 when setting this property.

Changing the MaxDropDownItems property changes the corresponding MaxDropDownItems property of the hosted DataGridViewComboBoxEditingControl, if one exits.

The following code example demonstrates the use of the DataGridViewComboBoxColumn.MaxDropDownItems property, which is similar to this property. This example is part of a larger example available in the DataGridViewComboBoxColumn class overview topic.


private static void SetAlternateChoicesUsingItems(
    DataGridViewComboBoxColumn comboboxColumn)
{
    comboboxColumn.Items.AddRange("Mr.", "Ms.", "Mrs.", "Dr.");
}

private DataGridViewComboBoxColumn CreateComboBoxColumn()
{
    DataGridViewComboBoxColumn column =
        new DataGridViewComboBoxColumn();
    {
        column.DataPropertyName = ColumnName.TitleOfCourtesy.ToString();
        column.HeaderText = ColumnName.TitleOfCourtesy.ToString();
        column.DropDownWidth = 160;
        column.Width = 90;
        column.MaxDropDownItems = 3;
        column.FlatStyle = FlatStyle.Flat;
    }
    return column;
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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