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DataGrid.FlatMode Property

Gets or sets a value indicating whether the grid displays in flat mode.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
public bool FlatMode { get; set; }

Property Value

Type: System.Boolean
true if the grid is displayed flat; otherwise, false. The default is false.

The following code example examines the FlatMode property and notifies the user of its status.

// Attach to event handler. 
private void AttachFlatModeChanged()
   this.myDataGrid.FlatModeChanged += new EventHandler(this.myDataGrid_FlatModeChanged);
// Check if the 'FlatMode' property is changed. 
private void myDataGrid_FlatModeChanged(object sender, EventArgs e)
   string strMessage = "false";
   if(myDataGrid.FlatMode == true)
      strMessage = "true";

   MessageBox.Show("Flat mode changed to "+strMessage,
      "Message",   MessageBoxButtons.OK,

// Toggle the 'FlatMode'. 
private void button1_Click(object sender, EventArgs e)
   if(myDataGrid.FlatMode == true)
      myDataGrid.FlatMode = false;
      myDataGrid.FlatMode = true;

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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