OnPopupOpening Method (NPopupWindowHost)
Called when the popup is about to be opened.
'Declaration
Protected Overridable Function OnPopupOpening() As System.Boolean
'Usage
Dim instance As NPopupWindowHost
Dim value As System.Boolean
value = instance.OnPopupOpening()
protected virtual System.bool OnPopupOpening()
Return Value
true if the opening should continue
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)