wpf - Change BackGround Image of button for a few seconds only -


i have wpf app uses buttons (surprise)

i have styled when user clicks on button background image changed red color.

what want happen after few seconds background reverts original background.

i not sure how this.

this code far:

<style x:key="roundbuttontemplate" targettype="button">     <setter property="template">             <setter.value>                 <controltemplate targettype="button">                                            <border cornerradius="5" background="{templatebinding background}"                             borderthickness="1">                         <contentpresenter horizontalalignment="center" verticalalignment="center">                         </contentpresenter>                     </border>                     <controltemplate.triggers>                         <trigger property="isfocused" value="true">                             <setter property="background">                                 <setter.value>                                     <imagebrush imagesource="{staticresource redbuttonbackground}"/>                                 </setter.value>                             </setter>                         </trigger>                     </controltemplate.triggers>                 </controltemplate>             </setter.value>         </setter>         <setter property="width" value="74"/>         <setter property="foreground" value="white"/>         <setter property="height" value="27"></setter>         <setter property="background">             <setter.value>                 <imagebrush imagesource="{staticresource buttonbackground}"/>             </setter.value>         </setter>     </style>

here solution how animate background image based on doubleanimationusingkeyframes , opacity.

update - 2 button style code (put resource section)

        <imagebrush x:key="koalaimagebrushkey" imagesource="images/koala.jpg"/>     <imagebrush x:key="redbuttonbackground" imagesource="images/redbuttonbackground.jpg"/>     <style x:key="roundbuttontemplate" targettype="button">         <setter property="template">             <setter.value>                 <controltemplate targettype="button">                     <grid>                         <border x:name="myborder" cornerradius="5" background="{templatebinding background}" borderthickness="1">                             <contentpresenter horizontalalignment="center" verticalalignment="center">                             </contentpresenter>                         </border>                         <border x:name="rectanglevisibleoncklick" opacity="0" cornerradius="5" background="{staticresource redbuttonbackground}" borderthickness="1">                         </border>                     </grid>                     <controltemplate.triggers>                         <eventtrigger routedevent="button.click">                             <beginstoryboard>                                 <storyboard>                                     <doubleanimationusingkeyframes storyboard.targetname="rectanglevisibleoncklick"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.5" value="1" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:1.5" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:2" value="0.0" />                                     </doubleanimationusingkeyframes>                                     <doubleanimationusingkeyframes storyboard.targetname="myborder"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.5" value="0" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:1.5" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:2" value="1.0" />                                     </doubleanimationusingkeyframes>                                 </storyboard>                             </beginstoryboard>                         </eventtrigger>                     </controltemplate.triggers>                 </controltemplate>             </setter.value>         </setter>         <setter property="width" value="50"/>         <setter property="foreground" value="white"/>         <setter property="height" value="50"></setter>         <setter property="background" value="{staticresource koalaimagebrushkey}"/>     </style>
  1. first doubleanimationusingkeyframes section changes rectanglevisibleoncklick's opacity 1 0. in 2 sec.
  2. second doubleanimationusingkeyframes section changes myborder's opacity 0 1. in 2 sec.
  3. to make animation faster change keytime parameters of both doubleanimationusingkeyframes sections:

options

                                       <doubleanimationusingkeyframes storyboard.targetname="rectanglevisibleoncklick"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.25" value="1" />                                         <easingdoublekeyframe keytime="0:0:0.5" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:0.75" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.0" />                                     </doubleanimationusingkeyframes>                                     <doubleanimationusingkeyframes storyboard.targetname="myborder"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.25" value="0" />                                         <easingdoublekeyframe keytime="0:0:0.5" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:0.75" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:1" value="1.0" />                                     </doubleanimationusingkeyframes>

or

<doubleanimationusingkeyframes storyboard.targetname="rectanglevisibleoncklick"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0" value="1" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.0" />                                     </doubleanimationusingkeyframes>                                     <doubleanimationusingkeyframes storyboard.targetname="myborder"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0" value="0" />                                         <easingdoublekeyframe keytime="0:0:1" value="1.0" />                                     </doubleanimationusingkeyframes>

elliptic button elliptic content

        <imagebrush x:key="koalaimagebrushkey" imagesource="images/koala.jpg"/>     <imagebrush x:key="pinguinsimagebrushkey" imagesource="images/penguins.jpg"/>     <style x:key="roundbuttontemplate" targettype="button">         <setter property="template">             <setter.value>                 <controltemplate targettype="button">                     <grid>                         <ellipse x:name="myborder" fill="{templatebinding background}"></ellipse>                         <contentpresenter horizontalalignment="center" verticalalignment="center">                             <contentpresenter.opacitymask>                                 <visualbrush visual="{binding elementname=myborder}"></visualbrush>                             </contentpresenter.opacitymask>                         </contentpresenter>                         <ellipse x:name="rectanglevisibleoncklick" fill="{staticresource pinguinsimagebrushkey}" opacity="0"></ellipse>                     </grid>                     <controltemplate.triggers>                         <eventtrigger routedevent="button.click">                             <beginstoryboard>                                 <storyboard>                                     <doubleanimationusingkeyframes storyboard.targetname="rectanglevisibleoncklick"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.5" value="1" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:1.5" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:2" value="0.0" />                                     </doubleanimationusingkeyframes>                                 </storyboard>                             </beginstoryboard>                         </eventtrigger>                     </controltemplate.triggers>                 </controltemplate>             </setter.value>         </setter>         <setter property="width" value="50"/>         <setter property="foreground" value="white"/>         <setter property="height" value="50"></setter>         <setter property="background" value="{staticresource koalaimagebrushkey}"/>     </style>

rectangle button elliptic content (is elliptic when clicked due keyframes animation using)

        <imagebrush x:key="koalaimagebrushkey" imagesource="images/koala.jpg"/>     <imagebrush x:key="pinguinsimagebrushkey" imagesource="images/penguins.jpg"/>     <style x:key="roundbuttontemplate" targettype="button">         <setter property="template">             <setter.value>                 <controltemplate targettype="button">                     <grid>                         <rectangle x:name="myborder" fill="{templatebinding background}"></rectangle>                         <contentpresenter horizontalalignment="center" verticalalignment="center">                             <contentpresenter.opacitymask>                                 <visualbrush visual="{binding elementname=myborder}"></visualbrush>                             </contentpresenter.opacitymask>                         </contentpresenter>                         <ellipse x:name="rectanglevisibleoncklick" fill="{staticresource pinguinsimagebrushkey}" opacity="0"></ellipse>                     </grid>                     <controltemplate.triggers>                         <eventtrigger routedevent="button.click">                             <beginstoryboard>                                 <storyboard>                                     <doubleanimationusingkeyframes storyboard.targetname="rectanglevisibleoncklick"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.5" value="1" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:1.5" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:2" value="0.0" />                                     </doubleanimationusingkeyframes>                                     <doubleanimationusingkeyframes storyboard.targetname="myborder"                                     storyboard.targetproperty="(frameworkelement.opacity)">                                         <easingdoublekeyframe keytime="0:0:0.5" value="0" />                                         <easingdoublekeyframe keytime="0:0:1" value="0.25" />                                         <easingdoublekeyframe keytime="0:0:1.5" value="0.5" />                                         <easingdoublekeyframe keytime="0:0:2" value="1.0" />                                     </doubleanimationusingkeyframes>                                 </storyboard>                             </beginstoryboard>                         </eventtrigger>                     </controltemplate.triggers>                 </controltemplate>             </setter.value>         </setter>         <setter property="width" value="50"/>         <setter property="foreground" value="white"/>         <setter property="height" value="50"></setter>         <setter property="background" value="{staticresource koalaimagebrushkey}"/>     </style>

regards.


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