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ComboBox question

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16260 Jul 9,2004 11:52 AM UTC Jul 9,2004 06:07 PM UTC WinForms 7
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Tags: GridControl
Nicola
Asked On July 9, 2004 11:52 AM UTC

Hi, I was wondering if anyone has come across a way to change the background color of a combobox cell but not the button color. I am setting my cells background color to black but then the combobox button also changes to black. Any suggestions would be appreciated Thanks Nicola White

Administrator [Syncfusion]
Replied On July 9, 2004 12:30 PM UTC

I do not see this behavior. Dropping a gridcontrol on a form and adding this form load, the combo button still shows gray for me. private void Form2_Load(object sender, System.EventArgs e) { this.gridControl1[2,2].CellType = "ComboBox"; this.gridControl1[2,2].BackColor = Color.Black; } Are you doing something different? Can you post a sample or show code where you are setting up the cell?

Nicola
Replied On July 9, 2004 12:43 PM UTC

I am setting the background color in the PrepareViewStyleInfo function. Could this be causing my problem?

Administrator [Syncfusion]
Replied On July 9, 2004 12:55 PM UTC

I added a PrepareViewStyleInfo event handler and set the e.Style.BackColor there when the cell was 2,2 and still could not see the problem. Do you really see a black button, or is the button missing (and this is reason the whole cell is black). If it is the latter, you might make sure you are setting e.Style.CellType = "ComboBox" in this case.

Nicola
Replied On July 9, 2004 12:59 PM UTC

I really see a black button. I can click on it and my dropdown list appears.

Administrator [Syncfusion]
Replied On July 9, 2004 01:29 PM UTC

Can you reproduce this in any of our samples, say the grid\samples\CellTypes\ComboBoxes? Or can you post a sample showing the problem?

Administrator [Syncfusion]
Replied On July 9, 2004 01:32 PM UTC

Also, do you have XP-Themes enabled?

Nicola
Replied On July 9, 2004 06:07 PM UTC

I figured out what I was doing wrong. I had intercepted the DrawCellButtonBackground event. And didn''t realize this is what was causing the problem. Thanks for all your help!

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