When and How Should I Use C# Application.DoEvents()?

Application.doevents ()

Functions allow GUI to catch up with the rest of the application by assigning Windows messages and processing drawing events. This is similar to the behavior of the function of VB6.

Doevents () Application.DoEvents() DoEvents

However, when using

in the C# Windows window application, the following points need to be considered:

Other windows:

DoEvents() Not only assign drawing messages, but also all other notifications, including notifications from users. This means that users can still interact with other windows in the application, which may cause accidental behavior or data damage.

nested problem:
• If the nested modal cycle is created in the cycle, the external cycle will be suspended when the internal cycle is performed. When the external cycle is restored, this may lead to logical errors or accidents. DoEvents()
Doevents () The safe use of
• In order to use safely, it is recommended to disable all other windows in the application to ensure that users cannot interrupt logic. This can be achieved by setting the DoEvents() attributes of all windows to
.

Doevents () replacement method

Consider using threads or C# and VB.NET, new

and DoEvents() keywords to process asynchronous operations while maintaining the response ability of UI. These mechanisms provide more control and prevent users from causing accidents. Enabled

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