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Hello, I am trying to "dim" a whole tabsheet so a notification can be clearly shown - blocking the sheet itself, but not blocking the main form. I guess I'd need an alpha blended panel or a semi-transparent bitmap drawn on a TImage... never really worked with imaging until now so I'm not sure about the terms. Other than the standard components I have Graphics32 installed; can this be achieved with a custom TPanel descendant or with Graphics32 somehow? I would like not to install any 3rd party component just for this if not needed. Worst case scenario I'll capture the tabsheet as a bitmap and draw it on a alClient panel with Canvas.Draw - which supports opacity. Using Delphi 10.4.2 if it matters.