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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
/** @attribute ComVisibleAttribute(true) */ 
public enum DialogResult
ComVisibleAttribute(true) 
public enum DialogResult
 Member nameDescription
Supported by the .NET Compact FrameworkAbortThe dialog box return value is Abort (usually sent from a button labeled Abort). 
Supported by the .NET Compact FrameworkCancelThe dialog box return value is Cancel (usually sent from a button labeled Cancel). 
Supported by the .NET Compact FrameworkIgnoreThe dialog box return value is Ignore (usually sent from a button labeled Ignore). 
Supported by the .NET Compact FrameworkNoThe dialog box return value is No (usually sent from a button labeled No). 
Supported by the .NET Compact FrameworkNoneNothing is returned from the dialog box. This means that the modal dialog continues running. 
Supported by the .NET Compact FrameworkOKThe dialog box return value is OK (usually sent from a button labeled OK). 
Supported by the .NET Compact FrameworkRetryThe dialog box return value is Retry (usually sent from a button labeled Retry). 
Supported by the .NET Compact FrameworkYesThe 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();

        }

    }

}

private void ValidateUserEntry5()
{
    // Checks the value of the text.
    if (serverName.get_Text().get_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.Equals(DialogResult.Yes)) {
            // Closes the parent form.
            this.Close();
        }
    }
} //ValidateUserEntry5 

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, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0
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