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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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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