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Syncfusion Feedback

Mouse Wheel Scrolling in ComboBox

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40067 Jan 24,2006 06:28 PM UTC Jan 25,2006 08:31 PM UTC WinForms 2
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Tags: GridControl
Administrator [Syncfusion]
Asked On January 24, 2006 06:28 PM UTC

I am wondering if it is possible to use the wheel mouse to scroll the drop down for celltype ComboBox. thanks, Patrick

Administrator [Syncfusion]
Replied On January 24, 2006 06:47 PM UTC

Patrick, the GridListControl celltype has built-in support for MouseWheel scrolling. In the combobox renderer this is missing. You would have to derive the combobox cell renderer and override this method: /// public override bool ProcessMouseWheel(MouseEventArgs e) { if (this.IsDroppedDown) { if (e.Delta < 0) this.ListBoxPart.TopIndex++; else this.ListBoxPart.TopIndex--; return true; } return false; } We will add this code also in our code base for the combobox cell renderer. Stefan >I am wondering if it is possible to use the wheel mouse to scroll the drop down for celltype ComboBox. > >thanks, >Patrick

Administrator [Syncfusion]
Replied On January 25, 2006 08:31 PM UTC

thank you, that works.

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