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Control.DefaultSize Property


Gets the default size of the control.

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

protected virtual Size DefaultSize { get; }

Property Value

Type: System.Drawing.Size

The default Size of the control.

The DefaultSize property represents the Size of the control when it is initially created. You can adjust the size of the control by setting its Size property value.


To maintain better performance, do not set the Size of a control in its constructor. The preferred method is to override the DefaultSize property.


On Windows Server 2003 systems, the size of a Form is restricted by the maximum pixel width and height of the monitor.

Notes to Inheritors:

When overriding the DefaultSize property in a derived class, it is preferable to return a Size with the desired dimensions rather than to override all the implementation.

The following code example overrides the DefaultSize property, and makes the default size of the form 500 pixels square.

protected override Size DefaultSize
      // Set the default size of
      // the form to 500 pixels square.
      return new Size(500,500);

.NET Framework
Available since 1.1
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