Hi Mikael Maybe you could use TTree.CancelMouse in the MouseMove event to stop the "sticky mouse". If you add a state variable " mbRightIsPressed " to your form and set it in the Tree.OnMouseDown event handler: mbRightIsPressed := (Button = TMouseButton.mbRight); and reset the variable in the Tree.O...

Hello Steema Support, I am experiencing significant performance degradation when enabling minor grid lines in TChart. Here are the details: - TChart Version: 2023.38.230607 - Delphi Version: Delphi 11 - Operating System: Windows 11 Enterprise Description: When I enable minor grid lines in a TChart, ...