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DialogResult Enumeration

Specifies identifiers to indicate the return value of a dialog box.

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

[ComVisibleAttribute(true)]
public enum DialogResult

Member nameDescription
AbortThe dialog box return value is Abort (usually sent from a button labeled Abort).
CancelThe dialog box return value is Cancel (usually sent from a button labeled Cancel).
IgnoreThe dialog box return value is Ignore (usually sent from a button labeled Ignore).
NoThe dialog box return value is No (usually sent from a button labeled No).
NoneNothing is returned from the dialog box. This means that the modal dialog continues running.
OKThe dialog box return value is OK (usually sent from a button labeled OK).
RetryThe dialog box return value is Retry (usually sent from a button labeled Retry).
YesThe dialog box return value is Yes (usually sent from a button labeled Yes).

The Button.DialogResult property and the Form.ShowDialog method use this enumeration.

The following code example demonstrates how to display a MessageBox with the options supported by this overload of Show. After verifying that a string variable, ServerName, is empty, the example displays a MessageBox, offering the user the option to cancel the operation. If the Show method's return value evaluates to Yes, the form that displayed the MessageBox is closed.

	private void validateUserEntry5()
	{

		// Checks the value of the text. 

		if(serverName.Text.Length == 0)
		{

			// Initializes the variables to pass to the MessageBox.Show method. 

			string message = "You did not enter a server name. Cancel this operation?";
			string caption = "No Server Name Specified";
			MessageBoxButtons buttons = MessageBoxButtons.YesNo;
			DialogResult result;

			// Displays the MessageBox.

			result = MessageBox.Show(this, message, caption, buttons);

			if(result == DialogResult.Yes)
			{

				// Closes the parent form. 

				this.Close();

			}

		}

	}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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.

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