OnFormClosing Method

'Declaration
 
Protected Overrides Sub OnFormClosing( _
   ByVal e As FormClosingEventArgs _
) 

protected override void OnFormClosing( 
   FormClosingEventArgs e
)

Parameters

e

Cancelable event arguments that provides information about why the form is closing.

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

MdiChildFormBase Class
MdiChildFormBase Members