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IButtonControl.DialogResult Property

Gets or sets the value returned to the parent form when the button is clicked.

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

DialogResult DialogResult { get; set; }

Property Value

Type: System.Windows.Forms.DialogResult
One of the DialogResult values.

When a form is shown as a dialog box using the ShowDialog method and one of its buttons is clicked, the button's DialogResult value is assigned to the form's DialogResult property.

The following example inherits from the ButtonBase class and implements the IButtonControl interface. Implementation is added to the DialogResult property and the NotifyDefault and PerformClick methods.

using System;
using System.Windows.Forms;
using System.Drawing;

public class MyButton : ButtonBase, IButtonControl
{
	private DialogResult myDialogResult;

	public MyButton()
	{
		// Make the button White and a Popup style 
		// so it can be distinguished on the form. 
		this.FlatStyle = FlatStyle.Popup;
		this.BackColor = Color.White;
	}
		
	// Add implementation to the IButtonControl.DialogResult property. 
	public DialogResult DialogResult
	{
		get
		{
			return this.myDialogResult;
		}

		set
		{
			if(Enum.IsDefined(typeof(DialogResult), value))				
			{
				this.myDialogResult = value;
			}
		}	
	}

	// Add implementation to the IButtonControl.NotifyDefault method. 
	public void NotifyDefault(bool value)
	{
		if(this.IsDefault != value)
		{
			this.IsDefault = value;
		}
	}

	// Add implementation to the IButtonControl.PerformClick method. 
	public void PerformClick()
	{
		if(this.CanSelect)
		{
			this.OnClick(EventArgs.Empty);
		}
	}
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

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

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