https://learn.microsoft.com/en-us/dotnet/api/system.windows.uielement.onquerycontinuedrag?view=netframework-4.8.1&redirectedfrom=MSDN
UIElement.OnQueryContinueDrag(QueryContinueDragEventArgs) Method (System.Windows) | Microsoft Learn
Invoked when an unhandled QueryContinueDrag attached event reaches an element in its route that is derived from this class. Implement this method to add class...
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https://learn.microsoft.com/zh-tw/dotnet/api/system.windows.forms.control.onquerycontinuedrag?view=netframework-4.0
Control.OnQueryContinueDrag(QueryContinueDragEventArgs) Method (System.Windows.Forms) | Microsoft...
Raises the QueryContinueDrag event.
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