OnClosing Method (NTopLevelWindow)
Raises the Closing event.
'Declaration
Protected Overridable Function OnClosing() As System.Boolean
'Usage
Dim instance As NTopLevelWindow
Dim value As System.Boolean
value = instance.OnClosing()
protected virtual System.bool OnClosing()
Return Value
true if the window can be closed, otherwise false
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)