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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)

[SerializableAttribute]
[TypeConverterAttribute(typeof(PaddingConverter))]
public struct Padding

The Padding type exposes the following members.

  NameDescription
Public methodPadding(Int32)Initializes a new instance of the Padding class using the supplied padding size for all edges.
Public methodPadding(Int32, Int32, Int32, Int32)Initializes a new instance of the Padding class using a separate padding size for each edge.
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  NameDescription
Public propertyAllGets or sets the padding value for all the edges.
Public propertyBottomGets or sets the padding value for the bottom edge.
Public propertyHorizontalGets the combined padding for the right and left edges.
Public propertyLeftGets or sets the padding value for the left edge.
Public propertyRightGets or sets the padding value for the right edge.
Public propertySizeGets the padding information in the form of a System.Drawing.Size.
Public propertyTopGets or sets the padding value for the top edge.
Public propertyVerticalGets the combined padding for the top and bottom edges.
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  NameDescription
Public methodStatic memberAddComputes the sum of the two specified Padding values.
Public methodEqualsDetermines whether the value of the specified object is equivalent to the current Padding. (Overrides ValueType.Equals(Object).)
Public methodGetHashCodeGenerates a hash code for the current Padding. (Overrides ValueType.GetHashCode().)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodStatic memberSubtractSubtracts one specified Padding value from another.
Public methodToStringReturns a string that represents the current Padding. (Overrides ValueType.ToString().)
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  NameDescription
Public operatorStatic memberAdditionPerforms vector addition on the two specified Padding objects, resulting in a new Padding.
Public operatorStatic memberEqualityTests whether two specified Padding objects are equivalent.
Public operatorStatic memberInequalityTests whether two specified Padding objects are not equivalent.
Public operatorStatic memberSubtractionPerforms vector subtraction on the two specified Padding objects, resulting in a new Padding.
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  NameDescription
Public fieldStatic memberEmptyProvides a Padding object with no padding.
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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: Create a Border Around a Windows Forms Control Using Padding.

// This code example demonstrates using the Padding property to  
// create a border around a RichTextBox control. 
public Form1()
{
    InitializeComponent();

    this.panel1.BackColor = System.Drawing.Color.Blue;
    this.panel1.Padding = new System.Windows.Forms.Padding(5);
    this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;

    this.richTextBox1.BorderStyle = System.Windows.Forms.BorderStyle.None;
    this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Fill;
}

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

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