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i want to change the style of listbox's scrollbar.
how do i modify listbox's scrollbar to white color and transparency background?
if possible provide some example.

Thanks,
Posted

1 solution

i found solution myself

<style x:key="ScrollThumbs" targettype="{x:Type Thumb}" xmlns:x="#unknown">  
            <setter property="Stylus.IsFlicksEnabled" value="false"></setter>
            <setter property="Foreground" value="#8C8C8C"></setter>
            <setter property="Background" value="Transparent"></setter>
            <setter property="Width" value="8"></setter>
            <setter property="Template">
                <setter.value>
                    <controltemplate targettype="{x:Type ScrollBar}">
                        <grid x:name="GridRoot" width="15" background="{TemplateBinding Background}">
                            <grid.rowdefinitions>
                                <rowdefinition height="0.00001*"></rowdefinition>
                            </grid.rowdefinitions>

                            <track x:name="PART_Track" grid.row="0" isdirectionreversed="true" focusable="false">
                                <track.thumb>
                                    <thumb x:name="Thumb" background="{TemplateBinding Foreground}" style="{DynamicResource ScrollThumbs}"></thumb>
                                </track.thumb>
                                <track.increaserepeatbutton>
                                    <repeatbutton x:name="PageUp" command="ScrollBar.PageDownCommand" opacity="0" focusable="false"></repeatbutton>
                                </track.increaserepeatbutton>
                                <track.decreaserepeatbutton>
                                    <repeatbutton x:name="PageDown" command="ScrollBar.PageUpCommand" opacity="0" focusable="false"></repeatbutton>
                                </track.decreaserepeatbutton>
                            </track>
                        </grid>

                        <controltemplate.triggers>
                            <trigger sourcename="Thumb" property="IsMouseOver" value="true">
                                <setter value="{DynamicResource ButtonSelectBrush}" targetname="Thumb" property="Background"></setter>
                            </trigger>
                            <trigger sourcename="Thumb" property="IsDragging" value="true">
                                <setter value="{DynamicResource DarkBrush}" targetname="Thumb" property="Background"></setter>
                            </trigger>

                            <trigger property="IsEnabled" value="false">
                                <setter targetname="Thumb" property="Visibility" value="Collapsed"></setter>
                            </trigger>
                            <trigger property="Orientation" value="Horizontal">
                                <setter targetname="GridRoot" property="LayoutTransform">
                                    <setter.value>
                                        <rotatetransform angle="-90"></rotatetransform>
                                    </setter.value>
                                </setter>
                                <setter targetname="PART_Track" property="LayoutTransform">
                                    <setter.value>
                                        <rotatetransform angle="-90"></rotatetransform>
                                    </setter.value>
                                </setter>
                                <setter property="Width" value="Auto"></setter>
                                <setter property="Height" value="8"></setter>
                                <setter targetname="Thumb" property="Tag" value="Horizontal"></setter>
                                <setter targetname="PageDown" property="Command" value="ScrollBar.PageLeftCommand"></setter>
                                <setter targetname="PageUp" property="Command" value="ScrollBar.PageRightCommand"></setter>
                            </trigger>
                        </controltemplate.triggers>
                    </controltemplate>
                </setter.value>
            </setter>
        </style>
 
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