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DataGridView::ColumnDividerDoubleClick Event

Occurs when the user double-clicks a divider between two columns.

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

public:
 event DataGridViewColumnDividerDoubleClickEventHandler^ ColumnDividerDoubleClick {
	void add (DataGridViewColumnDividerDoubleClickEventHandler^ value);
	void remove (DataGridViewColumnDividerDoubleClickEventHandler^ value);
}

You can use this event to customize the automatic sizing behavior that occurs when a user double-clicks a column divider. For example, you can handle this event to programmatically resize columns based only on the content in the rows that are currently visible, avoiding a performance impact with the default behavior when working with a large number of rows.

The column DividerWidth property does not extend the area in which a user can double-click. If the width of a divider has been increased through the use of this property, this event occurs when the user double-clicks the boundary between the divider and the adjacent column.

For more information about handling events, see Consuming Events.

The following code example demonstrates the use of this member. In the example, an event handler reports on the occurrence of the ColumnDividerDoubleClick event. This report helps you to learn when the event occurs and can assist you in debugging. To report on multiple events or on events that occur frequently, consider replacing MessageBox::Show with Console::WriteLine or appending the message to a multiline TextBox.

To run the example code, paste it into a project that contains an instance of type DataGridView named DataGridView1. Then ensure that the event handler is associated with the ColumnDividerDoubleClick event.

No code example is currently available or this language may not be supported.

.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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