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DataGrid.Collapse Method

Collapses child relations, if any exist for all rows, or for a specified row.

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

public void Collapse(
	int row


Type: System.Int32

The number of the row to collapse. If set to -1, all rows are collapsed.

Use the IsExpanded method to determine if a row is expanded.

The following code example collapses all rows in the System.Windows.Forms.DataGrid control.

DataGrid1.Collapse( -1 )

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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