Added the ExcelDna.Interop NuGet package and added a command example to the C# project template.

Author: Sergey-Vlasov

ExcelDNAVSExtension/CSProjectTemplate/CSProjectTemplate.csproj

@@ -55,6 +55,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="MyRibbon.cs" />
+    <None Include="MyCommands.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>

ExcelDNAVSExtension/CSProjectTemplate/CSProjectTemplate.vstemplate

@@ -20,6 +20,7 @@
     <Project File="ProjectTemplate.csproj" ReplaceParameters="true">
       <ProjectItem ReplaceParameters="true" TargetFileName="Properties\AssemblyInfo.cs">AssemblyInfo.cs</ProjectItem>
       <ProjectItem ReplaceParameters="true" OpenInEditor="true">MyFunctions.cs</ProjectItem>
+      <ProjectItem ReplaceParameters="true">MyCommands.cs</ProjectItem>
       <ProjectItem ReplaceParameters="true">MyRibbon.cs</ProjectItem>
       <ProjectItem ReplaceParameters="true" TargetFileName="RibbonResources\Ribbon.xml">Ribbon.xml</ProjectItem>
       <ProjectItem TargetFileName="RibbonResources\Image1.png">Image1.png</ProjectItem>
@@ -38,6 +39,7 @@
     <packages repository="extension" repositoryId="f1b3b55f-9bdc-4e9a-802c-84b329e36587">
       <package id="ExcelDna.Integration" version="1.1.0" />
       <package id="ExcelDna.AddIn" version="1.1.1" />
+      <package id="ExcelDna.Interop" version="14.0.1" />
     </packages>
   </WizardData>
 </VSTemplate>

ExcelDNAVSExtension/CSProjectTemplate/MyCommands.cs

@@ -0,0 +1,35 @@
+using ExcelDna.Integration;
+using Microsoft.Office.Interop.Excel;
+
+namespace $safeprojectname$
+{
+public static class MyCommands
+{
+    // We make a command macro that can be run by:
+    // * Pressing the quick menu under the Add-ins tab
+    // * Pressing the shortcut key Ctrl + Shift + D
+    // * Typing the name into the Alt+F8 Macro dialog (add-in macros won't we shown on this list, though)
+    [ExcelCommand(MenuName = "$projectname$", MenuText = "Dump Data", ShortCut = "^D")]
+    public static void DumpData()
+    {
+        // We always get the root Application object with a call to ExcelDnaUtil.Application
+        // If we reference both Window Forms, and the Excel interop assemblies, 
+        // we need to be a bit careful about which 'Application' we mean.
+        Application app = (Application)ExcelDnaUtil.Application;
+        var newBook = app.Workbooks.Add();
+
+        // While .NET arrays and collections are 0-based,
+        // COM collections like Workbook.Sheets are 1-based.
+        // We could also say newBook.Sheets["Sheet1"].
+        Range targetRange = newBook.Sheets[1].Range["A1:C2"];
+
+        // Set values to a range as a 2D object[,] array.
+        object[,] newValues = new object[,] { { "One", 2, "Three" }, { true, System.DateTime.Now, "" } };
+        targetRange.Value = newValues;
+
+        // Apply some formatting, so that the time is displayed correctly
+        Range dateCell = targetRange.Cells[2, 2];
+        dateCell.NumberFormat = "hh:mm:ss";
+    }
+}
+}

ExcelDNAVSExtension/CSProjectTemplate/ProjectTemplate.csproj

@@ -50,6 +50,7 @@
 	<ItemGroup>
 		<Compile Include="Properties\AssemblyInfo.cs" />
 		<Compile Include="MyFunctions.cs" />
+    <Compile Include="MyCommands.cs" />
 	</ItemGroup>
   $if$ ($exceldnaincluderibbon$ == true)
   <ItemGroup>

ExcelDNAVSExtension/ExcelDNAVSExtension/ExcelDNAVSExtension.csproj

@@ -82,6 +82,10 @@
     </Content>
     <Content Include="Resources\VSPackage.ico" />
     <None Include="Key.snk" />
+    <Content Include="Packages\exceldna.interop.14.0.1.nupkg">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <IncludeInVSIX>true</IncludeInVSIX>
+    </Content>
     <None Include="source.extension.vsixmanifest">
       <SubType>Designer</SubType>
     </None>

ExcelDNAVSExtension/ExcelDNAVSExtension/Packages/exceldna.interop.14.0.1.nupkg

@@ -18,6 +18,7 @@
         <Asset Type="Microsoft.VisualStudio.ProjectTemplate" d:Source="Project" d:ProjectName="CSProjectTemplate" d:TargetPath="|CSProjectTemplate;TemplateProjectOutputGroup|" Path="ProjectTemplates" d:VsixSubPath="ProjectTemplates" />
         <Asset Type="nupkg" d:Source="File" Path="Packages\exceldna.addin.1.1.1.nupkg" d:VsixSubPath="Packages" />
         <Asset Type="nupkg" d:Source="File" Path="Packages\exceldna.integration.1.1.0.nupkg" d:VsixSubPath="Packages" />
+        <Asset Type="nupkg" d:Source="File" Path="Packages\exceldna.interop.14.0.1.nupkg" d:VsixSubPath="Packages" />
         <Asset Type="Microsoft.VisualStudio.ProjectTemplate" d:Source="Project" d:ProjectName="VBProjectTemplate" d:TargetPath="|VBProjectTemplate;TemplateProjectOutputGroup|" Path="ProjectTemplates" d:VsixSubPath="ProjectTemplates" />
         <Asset Type="Microsoft.VisualStudio.VsPackage" d:Source="Project" d:ProjectName="%CurrentProject%" Path="|%CurrentProject%;PkgdefProjectOutputGroup|" />
         <Asset Type="Microsoft.VisualStudio.Assembly" d:Source="Project" d:ProjectName="%CurrentProject%" Path="|%CurrentProject%|" AssemblyName="|%CurrentProject%;AssemblyName|" />