asp.net pdf viewer component : Generate pdf thumbnail c# software control project winforms web page asp.net UWP OpinioManual21-part130

HTMLfiles,inthiscontext,arehtmlfilesusedtoembedthesurveypageswithinanhtmlpage.Thishtmlfilecanbe
usedasa'template'forsurveys,whichmakesiteasytointegratesurveyswiththelayoutofyourexistingwebportal,
forexample.
UploadanHTMLfile
TouploadareusableHTMLfile,clickonthe'Upload'tabwhenviewingthelistofHTMLfiles(either'MyHTML
files'or'CommonHTMLfiles').Locatethehtmlfilethatyouwanttouploadbyclickingonthe'Browse'button.
Typeinthenewname(optional)andselectthelist('MyHTMLfiles'or'CommonHTMLfiles')towhichyouwant
thecssfiletobeuploaded(applicablefor'superusers'only).Ifafilewiththesamenamealreadyexistsinthelist,
youmusteitherspecifyanotherfilenameorcheckthe'Replaceifexists'checkbox,inwhichcasetheexistingfilewill
beoverwritten.
Important
TheuploadfilemustbeavalidHTMLfileandmustincludethesurveytag<survey>atthepositionwhere
youwantthesurveytobedisplayed.
EditanHTMLfile
ToeditareusableHTMLfileclickontheHTMLfileinthelist(only'superusers'caneditfilesinthe'Common
HTMLfiles'list).
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Generate pdf thumbnail c# - Draw thumbnail images for PDF in C#.net, ASP.NET, MVC, Ajax, WinForms, WPF
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DownloadanHTMLfile
AnHTMLfilecanbedownloadedtodiskbyclickingonthe'download'linkintheActioncolumn.Downloadinga
HTMLfileisusefulifyouwanttouseanotherHTMLeditortoedityourHTMLfiles,orifyouwanttousethesame
HTMLfilewithinanotherinstallationofOpinio.
Files
Files,inthiscontext,canbeusedtoshareanytypeoffilewithotherOpiniousers.
Uploadafile
Touploadareusablefileclickonthe'Upload'tabwhenviewingthelistoffiles(either'Myfiles'or'Commonfiles').
Locatethefilethatyouwanttouploadbyclickingonthe'Browse'button.Typeinthenewname(optional)and
selectthelist('Myfile'or'Commonfile')towhichyouwantthefiletobeuploaded(applicablefor'superusers'
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How to C#: Generate Thumbnail for Word
VB.NET How-to, VB.NET PDF, VB.NET Word, VB.NET Excel, VB.NET PowerPoint, VB.NET Tiff, VB.NET Imaging, VB.NET OCR, VB.NET How to C#: Generate Thumbnail for Word.
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only).Ifafilewiththesamenamealreadyexistsinthelist,youmusteitherspecifyanotherfilenameorcheckthe
'Replaceifexists'checkbox.
Downloadafile
Afilecanbedownloadedtodiskbyclickingonthe'download'linkintheActioncolumn.
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How to C#: Generate Thumbnail for Raster
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How to C#: Overview of Using XImage.Raster
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Chapter11.Myprofile
Forchangingyourprofile.Loginnamecannotbechanged-itisassignedwhentheuseriscreated.Allotherinfocan
bechanged:
• Loginname:Loginnameisusedasidentificationwhenloggingin,alongwiththepassword.
• Createddate:Datewhenyouraccountwascreated.Itmaynotbeset,becausecreateddatehasbeenaddedin
version6.
• Username:Therealnameoftheuser,ifknown.Usedonlyashelpfulinformationinthisscreen.
• Password/confirmpassword:Allowschangingofthepassword.Typethepasswordtwicetoconfirmyouwantto
changeit.Ifthepasswordfieldsareleftempty,thecurrentpasswordwillnotbechanged.Itisnotpossibletoset
thepasswordtoempty/blank.
• Email:Settheemailaddress.Thisisoptional,butrecommended,toeasefillingoutsomeofthescreens s that
requiresemailaddress(invitations,forexample).Also,itmakesiteasierfortheadministratortocontactyouif
needed.
• Language:Yourpreferredlanguage.Thisreferstoallthescreentexts/labelsintheentiresystem.Morelanguages
willbeaddedlater.
• Timezone:Yourtimezone.Itisnecessarytospecifythetimezone,sothatdatesaredisplayedcorrectly.Ifthisis
notsetaccordingtoyourlocation,theserverdate/timewillbeused,andcouldbemanyhoursdifferentthanthe
timezoneyouarein.
• Locationofuploadedfiles:Whenuploadingimages,cssfilesetc.theywillbeplacedontheserverinthelocation
indicated here. . If f you need to write your custom HTML-code to display images (in the e question n text, for
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How to C#: Generate Thumbnail for Excel
VB.NET How-to, VB.NET PDF, VB.NET Word, VB.NET Excel, VB.NET PowerPoint, VB.NET Tiff, VB.NET Imaging, VB.NET OCR, VB.NET How to C#: Generate Thumbnail for Excel.
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VB.NET Image: How to Process & Edit Image Using VB.NET Image
Visual C#. VB.NET. RasterEdge provides this VB.NET image processor control SDK which owns the APIs for developers to create image thumbnail, resize, crop, scale
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example),youcanlookinyourprofiletoseewhereyouruploadedfilesare.
Userpreferences
Userpreferencesaresettingstocontrolthebehavioroftheuserinterface.
• Show warningpop-ups:Manyscreens s inthesystemshowsa warningbeforeanactionis executed. Itisnot
recommendedtoturnthisfeatureoffunlessyouknowthesystemreallywell.Forinstance,whenyoustarttoedit
asurvey,amessageisdisplayedtowarnyouthatthesurveywillbelockedandthatrespondentswillnotbeable
torespond.
• Showinformationpop-ups:Manyscreensinthesystemshowapop-upbeforeanactionisexecuted.Forexample,
whencreatingafilteredreport,thesystemdisplaysawarningthatthismighttakesometimeduetotheresources
needed.Sometimesitisveryhelpfultoknowthis(especiallyfornewusers),butifyouknowthemallyoumight
wanttodisablethistoreducethenumberofclicksneededwhileusingthesystem.
• Show changes savedconfirmation::Whensavingvaluesinaform, , youcansetthebehaviorofconfirmation
messages.
• No:Donotshowconfirmationmessages.
• Onconfirmationpage:Showthesaveconfirmationonaseparatepage,withanOK-buttontogotothenext
screen.
• Inembeddedconfirmationbox:Willshowtheconfirmationinthenextpagethatisbeingdisplayed,asabox
abovethemaincontent.
Permissions
Thispagedisplaysallresourcesyouhaveaccessto,andthetypeofaccessyouhaveontheseresources.Youcannot
changethesepermissions,theywillhavetobechangedbyauserwithuser-managementaccessrightstoyouruser
account.Ifyouhavesuperuseraccess,anothersuper-usermustedityourpermissions.
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How to C#: Overview of Using XDoc.PowerPoint
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Chapter12.Administratorsguide
Theadministratorsguideisforconfiguringglobalsettings,top-levelusermanagementandpluginsetup.Pluginsare
optionalmodules,whichprovidesspecializedfunctionality.
Itisimportanttounderstandthesetupoptions/features,tomakesureOpiniorunsasintended.Somesettingsmustbe
set,othersareoptional.Forsomeofthesettings,defaultvalueswilloftenworkOK,butsinceOpiniorunsinawide
varietyofenvironments,itisimpossibletohaveacommonsetupschemethatfitsall.
Setup
Thesetupscreendisplaysthecurrentsettings,inadditiontoothersysteminformation.
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Versionandedition
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• Version:Lite,Corporate,Enterprise.
• Edition:Theeditionisdeterminedbythelicenseinstalled:Lite,Corporate,Enterprise.
Internationalization
• Defaultlanguage:Thedefaultlanguageforanewuser.Theusercanthensetthelanguagebyclickingonthe
"myprofile"linkatthetopofeveryscreen.
• Characterencoding:Theencodingusedtodisplayalladmin-andauthor-screensinthesystem.Readmorein
theinstallationguide.
Mailandcache
• Main email server: This is the main email server to use e when n sending email. Only SMTP servers s are
supported.Otherservertypeswillbeaddedinlaterversions.Enterusernameandpasswordifyourmain
emailserverrequiresauthenticationforsendingemail.
• Alternativeemailserver(optional):The e SMTPemailservertouse ifthemainserverisdown(cannotbe
contacted).Thisensuresthatthemailwillbesent.Enterusernameandpasswordifyoursecondaryemail
serverrequiresauthenticationforsendingemail.
• Emailfrom-name:Fromtimetotime,Opinioneedstosendemailstousersortheadministrator.Theemail
sentwillusenameasthesender.Forsurveyspecificemails,itwillbeusedifthefromname/addressisnotset
foraparticularsurvey,andname/addressisnotsetintheuserprofileforthesurveyauthor.
• Emailfrom-address:Sameasabove,butthisistheactualemailaddress.
• Cachesize inMB:This s isthesurveycache.Eachsurvey y takesonaverage64K memory. . This isa very
uncertainnumber.Ifyoursurveysareverylarge,itmaytake100kb-500kb(ormore),orlessthan50Kifthey
aresmall.The“average”sizeissetto64K.Thismeansthat16surveyswillfitina1MBcache,nomatter
howbigtheactuallyare.Ifyouhavemanysurveysrunning,werecommendtosetthesurveycacheeven
higher(5-10MB).
Searchindex
Tofacilitateasearchinopinio(topmenubar),asearchindexisbuiltinthebackground.Thesearcheswilluse
thisindexinsteadofdirectsearches inthedatabase. This is doneforseveralreasons:speed,fulltextsearch
abilityandmoreadvancedsearches(mostoftheseareplannedsearchfeaturesandnotimplementedyet).Another
reasonistoavoidunnessesarilycomplexcallstothedatabase,sinceOpiniosupportsseveraldatabaseplatforms
andversions.Forguideonsearching,seeSearchfield
• Physicalpathtoindex:Showsthecurrentphysicalpathtothesearchindex.Thiscanbeconfiguredinthe
opinio.propertiesfile(seethepropertyfileformoreinformation).
• Resourcesindexed:Theitemscurrentlysettobeindexed.Themoreresourcesindexed,themoretimeittakes
toindex,andthemorediskspacewillbeused.Ifthesesettingshavechangedsincethelastfullindex,an
indication of this s is displayedabove the "rebuildsearch h index" button. . Arebuild d is s necessarytoreflect
changesintheindexsettings.Theexpandablepanelinthesearchfield(topmenubar)reflectsthesesettings.
Onlyresourcescurrentlybeingindexedwillappearinthesearchpanel.
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Afullsearchindexisperformedeverynight(around3-4am).Itcanalsobedonemanuallybyclickingonthe
"rebuildsearchindex"button.
• Rebuildsearchindexbutton:Buildtheentiresearchindexnow.Iftheindexexistsfrombefore,itwillbe
deletedandre-created.Aprogressindicatorwillbedisplayednexttothebuttononcetheprocesshasstarted.
Theprocesswillrunasabackgroundprocess,andthesystemcanbeusednormallyduringthistime.An
immediaterebuild oftheindex mightbedesired ifmany changes s is users'permissionsettingsaredone.
Resourcesarenotcurrentlyreindexedtoreflectchangesinpermissions,duetothepotentialadditionalload
thatitcouldputonthesystem.Especiallyifpermissionsonfoldersarechanged,itmayrequirerebuildingof
allresources withinthefolderandallofthe subfolders toreflectthe change. Thismaydemanda lotof
processing,andisdelayeduntilthenext automatic ormanualrebuildofthe index. . Untilsucharebuild,
searches may include e or exclude resources incorrectly due to permission settings s (this do not t apply to
superusers).
Security
• Ifauserdoesn'thaveaccesstoasurvey/folder:Controlsthevisibilityofsurveysandfolders.Selectshow
survey/foldernameastextifyouwantuserstoseeallsurveysandsub-foldersinafolder.Selecthidesurvey/
foldernameifyouwantuserstoseeonlysurveysandfolderstheyhaveaccessto.
Errorhandling
• Errorvisibilityinsurveymodule:Controlsthevisibilityoferrors.Ifyouwantthesurveyrespondentstoseeif
anerroroccurswhilerespondingtothesurveys,selectshowerrormessages(screenandlogfile).Otherwise,
select don't show w error r messages. If f you u are e not t monitoring the e site regularly, you u might want the
respondentstoseetheerrors,sotheycanreporttoyouaboutit.Iferrorsarenotshown,Opiniowillletthe
respondentcontinuetorespond,despitethefactthatitcannotstoretheresponsesinthedatabase.Itwillthen
keeptryingtostoretheresponseat1hourintervals(seeabove).Onveryhighloads,itisnotrecommendedto
dothis,becauseitrequiresmorememorythannormaloperation.
• Senderrorstoemail:Iferrors s occurwhile establishingconnection n tothedatabasewhilerespondentsare
tryingtocomplete thesurvey, theerroris reportedto theemailrecipientspecifiedhere.Anyothererror
occurringwhilesavingasurveyresponsetothedatabaseisalsoreportedtothisemailaddress.
• Maximumstoreattempts:Iferrorsoccurwhilestoringasurveyresponse,Opiniowillkeeptryingtostoreit
with1hourintervals.ThissettingspecifieshowmanytimesOpiniowilltry,untilitwillgiveupanddiscard
therespondent.Thisfeatureallowsthedatabasetobedownforashortperiod,andstillkeeptheresponses,as
longas the e web server (servlet container) is up during this period. . When the database e is s back up, , the
responseswillbestored.Notethattheresponseswillbekeptinmemoryduringthisperiod,andifthesiteis
busy,itmayrequirealargeamountofmemorytokeepalltheresponses.Theywillberemovedfrommemory
oncethedatabaseisbackupandtheresponsesarestored,orOpiniohasgivenupafterthespecifiednumber
ofretries.Itisalwaysrecommendedtocheckthelogfileperiodicallyforerrors.
Other
• SystembaseURL(optional):OpiniowillbydefaultcreatetheURLsforenteringthesurvey,reportsURLs
etc. -allautomatically. Butsometimes youneedtosetthe baseURL manually, forexample ifyouare
runninginclusteringmode(inthatcase, eachclustermemberwillcreateadifferentURL).Inclustering
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