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Padding Structure

Represents padding or margin information associated with a user interface (UI) element.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

'Declaration
<SerializableAttribute> _
<TypeConverterAttribute(GetType(PaddingConverter))> _
Public Structure Padding
'Usage
Dim instance As Padding

/** @attribute SerializableAttribute() */ 
/** @attribute TypeConverterAttribute(System.Windows.Forms.PaddingConverter) */ 
public final class Padding extends ValueType
Not applicable.

The Padding structure represents the padding or margin associated with a rectangular UI element such as a control. The padding is the internal space between the body of the UI element and its edge. In contrast, a margin is the distance separating the adjoining edges of two adjacent UI elements. Because of structural similarities, Padding is used to represent both padding and margins.

For a diagram that illustrates the Padding and Margin properties on a control, see Margin and Padding in Windows Forms Controls.

Padding has a different effect on controls that are containers than on controls that are not. For example, in a Panel control, the Padding property defines the spacing between the border of the Panel and its child controls. For a Button control, the Padding property defines the spacing between the border of the Button control and its contained text.

In addition to typical methods and properties, Padding also defines the following type-level members:

  • The Empty field, which represents a predefined Padding with no padding.

  • A set of operators for performing common arithmetic operations for the class, such as adding two Padding objects together. For languages that do not support operator overloading, you can invoke these members by using alternative method syntax.

  • The Horizontal, Vertical, and Size properties, which provide combined values that are convenient for use in custom layout calculations.

The following code example demonstrates how to use the Padding property to create an outline around a RichTextBox control.

For a full code listing, see How to: Outline a Windows Forms Control Using Padding.

' This code example demonstrates using the Padding property to 
' create a border around a RichTextBox control.
Public Sub New()
     InitializeComponent()

     Me.panel1.BackColor = System.Drawing.Color.Blue
     Me.panel1.Padding = New System.Windows.Forms.Padding(5)
     Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill

     Me.richTextBox1.BorderStyle = System.Windows.Forms.BorderStyle.None
     Me.richTextBox1.Dock = System.Windows.Forms.DockStyle.Fill
 End Sub

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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