i'v progressbar , image. when progress bar value 50, image loaded 50%. tried add image progressbar foreground, have green shade. ugly.
how can this?
to run sample, need snake image can http://res.freestockphotos.biz/pictures/16/16242-illustration-of-a-green-snake-pv.png. have used url directly, should download image first , use it.
- you need control template progressbar because want show percentage status too.
- otherwise normal progressbar do.
code can used :
<window x:class="wpfcontroltemplates._32794074.win32794074" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" title="win32794074" height="600" width="1000"> <grid> <grid.rowdefinitions> <rowdefinition height="397*"/> <rowdefinition height="173*"/> </grid.rowdefinitions> <progressbar x:name="pbarcustom" width="958" height="200" maximum="958" value="958" foreground="#ffe6e61f" margin="17,185,17,11.932" valuechanged="pbarcustom_valuechanged"> <progressbar.background> <imagebrush imagesource="http://res.freestockphotos.biz/pictures/16/16242-illustration-of-a-green-snake-pv.png"/> </progressbar.background> <progressbar.template> <controltemplate> <grid background="{templatebinding background}"> <rectangle x:name="thumb" horizontalalignment="left" fill="#ffc5ea1f" stroke="#ff0db442" width="{templatebinding width}" /> <ellipse fill="#ff7deede" height="124" stroke="#ff0db442" width="150" verticalalignment="center" horizontalalignment="center" opacity="0.3"/> <label x:name="tbstatus" verticalcontentalignment="center" horizontalcontentalignment="center" fontweight="bold" fontsize="75" foreground="#ff21bd76" content="0" /> </grid> </controltemplate> </progressbar.template> </progressbar> <button x:name="btnloadsnake" content="load snake" horizontalalignment="left" margin="462,14.068,0,0" verticalalignment="top" width="75" click="btnloadsnake_click" grid.row="1"/> </grid> </window> using system; using system.collections.generic; using system.linq; using system.text; using system.threading.tasks; using system.windows; using system.windows.controls; using system.windows.data; using system.windows.documents; using system.windows.input; using system.windows.media; using system.windows.media.imaging; using system.windows.shapes; using system.windows.threading; namespace wpfcontroltemplates._32794074 { /// <summary> /// interaction logic win32794074.xaml /// </summary> public partial class win32794074 : window { public win32794074() { initializecomponent(); } dispatchertimer timer; private void btnloadsnake_click(object sender, routedeventargs e) { btnloadsnake.isenabled = false; pbarcustom.value = pbarcustom.maximum; rectangle thumb = (rectangle)pbarcustom.template.findname("thumb", pbarcustom); thumb.width = pbarcustom.value; label status = (label)pbarcustom.template.findname("tbstatus", pbarcustom); status.content = ((int)(100 - ((100 * pbarcustom.value) / pbarcustom.maximum))).tostring(); dispatcher disp = pbarcustom.dispatcher; eventhandler pbarcallbackhandler = new eventhandler(pbarcallback); timer = new dispatchertimer(timespan.fromseconds(0.5), dispatcherpriority.normal, pbarcallback, disp); } private void pbarcallback(object sender, eventargs e) { pbarcustom.value -= 13; rectangle thumb = (rectangle)pbarcustom.template.findname("thumb", pbarcustom); thumb.width = pbarcustom.value; label status = (label)pbarcustom.template.findname("tbstatus", pbarcustom); status.content = ((int)(100 - ((100 * pbarcustom.value) / pbarcustom.maximum))).tostring(); if (pbarcustom.value == 0) timer.stop(); } private void pbarcustom_valuechanged(object sender, routedpropertychangedeventargs<double> e) { if(e.newvalue == 0) btnloadsnake.isenabled = true; } } } 
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