fix(ribbon): switch icons from loadImage to per-button getImage callbacks
After the previous commit the ribbon rendered with NO icons at all. Cause: loadImage on customUI is the Office-2007 pattern; Office 2010+ silently falls back to no image when the callback signature or timing isn't exactly what it expects. Some hosts also cache a null result. Switch to the more reliable per-button pattern: - Each button declares getImage=OnGetImage (no image= attribute). - OnGetImage(IRibbonControl control) maps control.Id -> embedded PNG name and returns a fresh Bitmap. - If a resource is missing we log it AND the full list of GetManifestResourceNames() so we can diagnose any future mismatch from the addin log alone. Builds clean. PNGs unchanged; csproj <EmbeddedResource> entries are the same as before. The previous OnLoadImage callback is removed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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PointStar
@@ -36,7 +36,7 @@
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<PublishUrl>C:\Users\Chaim\source\repos\OutlookAddin\Publish\</PublishUrl>
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<InstallUrl>\\192.168.10.97\Projects\LegalCRM\Add-in\</InstallUrl>
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<TargetCulture>en</TargetCulture>
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<ApplicationVersion>1.0.0.1</ApplicationVersion>
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<ApplicationVersion>1.0.0.2</ApplicationVersion>
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<AutoIncrementApplicationRevision>true</AutoIncrementApplicationRevision>
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<UpdateEnabled>true</UpdateEnabled>
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<UpdateInterval>7</UpdateInterval>
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@@ -258,18 +258,6 @@
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<EmbeddedResource Include="Ribbon\InspectorRibbon.xml">
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<LogicalName>OutlookAddin.Ribbon.InspectorRibbon.xml</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Include="Images\klear-file.png">
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<LogicalName>OutlookAddin.Images.klear-file.png</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Include="Images\klear-sidebar.png">
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<LogicalName>OutlookAddin.Images.klear-sidebar.png</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Include="Images\klear-settings.png">
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<LogicalName>OutlookAddin.Images.klear-settings.png</LogicalName>
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</EmbeddedResource>
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<EmbeddedResource Include="Images\klear-compose.png">
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<LogicalName>OutlookAddin.Images.klear-compose.png</LogicalName>
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</EmbeddedResource>
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<Compile Include="Services\AddInHost.cs">
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<SubType>Code</SubType>
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</Compile>
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@@ -136,27 +136,68 @@ namespace OutlookAddin.Ribbon
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}
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/// <summary>
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/// VSTO ribbon image callback. The XML uses image="klear-file.png"
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/// (etc.) and Office calls back here once per image to resolve the
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/// resource into an actual Bitmap. The PNGs are shipped as
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/// EmbeddedResource under the OutlookAddin.Images.* logical name.
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/// Per-button image callback. Office calls this once per ribbon
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/// button that has getImage="OnGetImage" and we map control.Id to
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/// the embedded PNG resource. Returning null falls back to
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/// "no icon" (text-only) rather than throwing.
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/// </summary>
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public Bitmap? OnLoadImage(string imageName)
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public Bitmap? OnGetImage(IRibbonControl control)
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{
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try
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{
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if (string.IsNullOrWhiteSpace(imageName)) return null;
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var resourceName = "OutlookAddin.Images." + imageName;
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using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))
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if (control == null) return null;
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string fileName;
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switch (control.Id)
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{
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if (stream == null) return null;
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return new Bitmap(stream);
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case "FileToEspoCrm": fileName = "klear-file.png"; break;
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case "ShowSidebar": fileName = "klear-sidebar.png"; break;
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case "OpenEspoCrmSettings": fileName = "klear-settings.png"; break;
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case "ComposeFromCase": fileName = "klear-compose.png"; break;
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default: return null;
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}
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return LoadEmbeddedBitmap(fileName, control.Id);
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}
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catch
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catch (Exception ex)
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{
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LogIconWarning(ex, "OnGetImage exception for {0}", control?.Id);
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return null;
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}
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}
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private static Bitmap? LoadEmbeddedBitmap(string fileName, string ribbonId)
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{
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var asm = Assembly.GetExecutingAssembly();
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var resourceName = "OutlookAddin.Images." + fileName;
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var stream = asm.GetManifestResourceStream(resourceName);
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if (stream == null)
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{
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// Help debug by listing every resource we DO have.
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var available = string.Join(", ", asm.GetManifestResourceNames());
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LogIconWarning(null,
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"Icon resource not found: {0} (ribbon button {1}). Available resources: {2}",
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resourceName, ribbonId, available);
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return null;
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}
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try
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{
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return new Bitmap(stream);
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}
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finally
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{
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stream.Dispose();
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}
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}
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private static void LogIconWarning(Exception? ex, string template, params object?[] args)
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{
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try
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{
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var logger = Globals.ThisAddIn?.AddInHost?.Logger;
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if (logger == null) return;
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if (ex != null) logger.Warning(ex, template, args);
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else logger.Warning(template, args);
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}
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catch { /* ignore — logging must never crash the ribbon */ }
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}
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}
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}
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@@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="OnRibbonLoad" loadImage="OnLoadImage">
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<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="OnRibbonLoad">
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<ribbon>
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<tabs>
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<tab idMso="TabMail">
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@@ -9,7 +9,7 @@
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screentip="תייק את המייל הנבחר ל-Klear"
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supertip="פותח חלון חיפוש לבחירת תיק, לקוח או איש קשר ב-Klear, ומתייק את המייל הנבחר אליו."
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size="large"
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image="klear-file.png"
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getImage="OnGetImage"
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onAction="OnFileToEspoCrm"
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getEnabled="OnGetFileToEspoCrmEnabled" />
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<button id="ShowSidebar"
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@@ -17,14 +17,14 @@
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screentip="הצג את סרגל פרטי התיק"
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supertip="פותח מחדש את הסרגל הימני שמציג את איש הקשר והתיקים המקושרים לשולח של המייל הנבחר."
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size="large"
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image="klear-sidebar.png"
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getImage="OnGetImage"
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onAction="OnShowSidebar" />
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<button id="OpenEspoCrmSettings"
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label="הגדרות"
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screentip="הגדרות תוסף Klear"
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supertip="עריכת כתובת השרת, שם המשתמש, מפתח ה-API והעדפות נוספות."
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size="large"
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image="klear-settings.png"
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getImage="OnGetImage"
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onAction="OnOpenSettings" />
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</group>
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</tab>
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@@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="OnInspectorRibbonLoad" loadImage="OnLoadImage">
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<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="OnInspectorRibbonLoad">
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<ribbon>
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<tabs>
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<tab idMso="TabNewMailMessage">
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@@ -9,7 +9,7 @@
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screentip="פתח את המייל מתיק Klear"
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supertip="בחר תיק Klear כדי לאכלס את הנמענים ואת הכותרת של המייל הזה, וכדי שהמייל יתויק אוטומטית כששולחים אותו."
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size="large"
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image="klear-compose.png"
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getImage="OnGetImage"
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onAction="OnComposeFromCase"
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getVisible="OnGetComposeFromCaseVisible" />
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</group>
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