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Syncfusion Feedback

Performance issue with numericalup/down

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57879 Mar 13,2007 02:06 PM UTC Mar 14,2007 08:09 AM UTC Windows Forms 1
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Tags: GridControl
Ivan Capin
Asked On March 13, 2007 02:06 PM UTC

Hi,

I am using a grid that can or cannot have numerical up/down button on it. Unfortuanatly, when there are numerical buttons, a paint event is triggered when the mouse merely hovers over one of them which is not the case for common cells. That entails significant overhead when the grid contains many numerical up/down buttons.
Is there a way to avoid that overhead?

Thank you for your help.

Administrator [Syncfusion]
Replied On March 14, 2007 08:09 AM UTC

Hi Ivan,

You can try handling the CellMouseHoverEnter and check for the CellType. If the CellType matches the NumericUpDown then suspend the painting.

private void gridControl1_CellMouseHoverEnter(object sender, GridCellMouseEventArgs e)
{
GridCurrentCell cc = this.gridControl1.CurrentCell;
if (this.gridControl1[cc.RowIndex, cc.ColIndex].CellType == GridCellTypeName.NumericUpDown)
{
Console.WriteLine("Suspend Painting");
}
}


Kindly let us know if this helps.

Best Regards,
Jeba.

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