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DataGridColumnStyle.GetPreferredSize Method

When overridden in a derived class, gets the width and height of the specified value. The width and height are used when the user navigates to DataGridTableStyle using the DataGridColumnStyle.

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

protected internal abstract Size GetPreferredSize(
	Graphics g,
	Object value


Type: System.Drawing.Graphics
A Graphics object.
Type: System.Object
An object value for which you want to know the screen height and width.

Return Value

Type: System.Drawing.Size
A Size that contains the dimensions of the cell.

Use GetPreferredSize to determine the width a column should resize to, given a particular string or numeral.

The following code example uses the GetPreferredSize method to return the optimum size for a value.

public class Form1: Form
 protected DataGrid dataGrid1;

private void GetHeight(){
    MyGridColumn myGridColumn;
    // Get a DataGridColumnStyle of a DataGrid control.
    myGridColumn = (MyGridColumn) dataGrid1.TableStyles[0].
    // Create a Graphics object.
    Graphics g = this.CreateGraphics();
    Size s =myGridColumn.GetPrefSize(g, "A string");

public class MyGridColumn:DataGridTextBoxColumn{
   public Size GetPrefSize(Graphics g, string thisString){
      return this.GetPreferredSize(g,thisString);

.NET Framework

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

.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.