Change color of Combobox

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Hi All,

I am using System.Windows.Controls.ComboBox. and i want to change background color of it for some interval as it looks like blinking

Thanks

Posted 3-Jan-12 22:01pm

KIDYA

Updated 3-Jan-12 22:06pm

Mehdi Gholam

v2

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Sergey Alexandrovich Kryukov 4-Jan-12 3:08am

Why? why?!
--SA

2 solutions

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Ganesan Senthilvel · Answer 1 · 2012-01-03T22:07:00

Try to write the below Storyboard effects.

XML

<UserControl.Triggers>
    <EventTrigger RoutedEvent="local:LedControl.Blink">
        <EventTrigger.Actions>
            <BeginStoryboard>
                <Storyboard>
                    <DoubleAnimation Storyboard.TargetName="glow"
                                     Storyboard.TargetProperty="Opacity"
                                     To="100"
                                     AutoReverse="True"
                                     Duration="0:0:0.075" />
                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ledEllipse"
                                                  Storyboard.TargetProperty="Fill"
                                                  Duration="0:0:0.15">
                        <ObjectAnimationUsingKeyFrames.KeyFrames>
                            <DiscreteObjectKeyFrame KeyTime="0:0:0.01">
                                <DiscreteObjectKeyFrame.Value>
                                    <RadialGradientBrush>
                                        <!--bright Green Brush-->
                                        <GradientStop Color="#FF215416" Offset="1"/>
                                        <GradientStop Color="#FE38DA2E" Offset="0"/>
                                        <GradientStop Color="#FE81FF79" Offset="0.688"/>
                                    </RadialGradientBrush>
                                </DiscreteObjectKeyFrame.Value>
                            </DiscreteObjectKeyFrame>
                            <DiscreteObjectKeyFrame KeyTime="0:0:0.15" >
                                <DiscreteObjectKeyFrame.Value>
                                    <RadialGradientBrush>
                                        <!--dim Green Brush-->
                                        <GradientStop Color="#FF21471A" Offset="1"/>
                                        <GradientStop Color="#FF33802F" Offset="0"/>
                                        <GradientStop Color="#FF35932F" Offset="0.688"/>
                                    </RadialGradientBrush>
                                </DiscreteObjectKeyFrame.Value>
                            </DiscreteObjectKeyFrame>
                        </ObjectAnimationUsingKeyFrames.KeyFrames>
                    </ObjectAnimationUsingKeyFrames>
                </Storyboard>
            </BeginStoryboard>
        </EventTrigger.Actions>
    </EventTrigger>
</UserControl.Triggers>

Later, Combobox is applied with the above effect as:

XML

<ComboBox>
    <ComboBox.Effect>
        <DropShadowEffect x:Name="glow" ShadowDepth="0" Color="Lime" BlurRadius="10" Opacity="0" />
    </ComboBox.Effect>
</ComboBox>

Sergey Alexandrovich Kryukov · Answer 2 · 2012-01-03T22:07:00

Solution 2

Do yourself a great favor — don't do it — you users will be extremely irritated. If you don't want to follow this good friendly advice, use the timer.

—SA

Posted 3-Jan-12 22:07pm

Sergey Alexandrovich Kryukov

Change color of Combobox

2 solutions

Solution 1

Solution 2

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Change color of Combobox

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