UI Automation -Invoke:An empty dialog is opened

  • Thread starter Thread starter AlecYuan
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AlecYuan

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I have a Windows application(Print Driver).
We use UI Automation to click a button("Authentication" button). After clicking the button, the Windows application will open an "Authentication" dialog, we need to provide the user name and password in the corresponding text boxes, and then click the "OK" button. The normal dialog is as follows:
23106-normal.jpg

But after clicking the button ("Authentication" button), an empty "Authentication" dialog opened. The empty dialog is as follows:(The loading of the dialog box was triggered twice)
23098-error.jpg

Why would such phenomenon happen?
Hope to get your help, thanks!

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Reference:

UI Automation -Invoke:An empty dialog is opened - Microsoft Q&A

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