MessageBoxButtons Enumeration
.NET Framework 4.5
Specifies constants defining which buttons to display on a MessageBox.
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
| Member name | Description | |
|---|---|---|
| OK | The message box contains an OK button. | |
| OKCancel | The message box contains OK and Cancel buttons. | |
| AbortRetryIgnore | The message box contains Abort, Retry, and Ignore buttons. | |
| YesNoCancel | The message box contains Yes, No, and Cancel buttons. | |
| YesNo | The message box contains Yes and No buttons. | |
| RetryCancel | The message box contains Retry and Cancel buttons. |
This enumeration is used by the MessageBox class.
The following code example shows how to use a MessageBox to give the user an opportunity to prevent a form from closing. This example requires that the method is called from the FormClosing event of the form.
private void Form1_FormClosing(object sender, FormClosingEventArgs e) { const string message = "Are you sure that you would like to close the form?"; const string caption = "Form Closing"; var result = MessageBox.Show(message, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question); // If the no button was pressed ... if (result == DialogResult.No) { // cancel the closure of the form. e.Cancel = true; } }
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.