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It is common that during the construction of widget, it is not yet added to a window. Thus windowHandle will simply return null in this case. Always set the window to before the capture starts. BUG: 430388
1bd9ac05
It is common that during the construction of widget, it is not yet added to a window. Thus windowHandle will simply return null in this case. Always set the window to before the capture starts. BUG: 430388