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我正嘗試在VS 2015擴展中創建動態菜單項。我能做的最好的方法是讓佔位符命令可見並且處於活動狀態。這裏有最起碼的例子我可以創建開始與VS奇才(遺憾的長度,但它確實是最起碼的例子我可以創建):VS 2015動態菜單命令不能像廣告中那樣工作
Command1Package.cs:
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell;
using System;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
namespace minimal {
[PackageRegistration(UseManagedResourcesOnly = true)]
[InstalledProductRegistration("#110", "#112", "1.0", IconResourceID = 400)] // Info on this package for Help/About
[ProvideMenuResource("Menus.ctmenu", 1)]
[Guid(Command1Package.PackageGuidString)]
[ProvideAutoLoad(VSConstants.UICONTEXT.NoSolution_string)]
[SuppressMessage("StyleCop.CSharp.DocumentationRules", "SA1650:ElementDocumentationMustBeSpelledCorrectly", Justification = "pkgdef, VS and vsixmanifest are valid VS terms")]
public sealed class Command1Package : Package {
public const string PackageGuidString = "3e88287b-7b79-403d-ae8d-3329af218869";
public Command1Package() {
}
#region Package Members
protected override void Initialize() {
Debug.WriteLine("minimal package instantiated");
Command1.Initialize(this, GetService(typeof(IMenuCommandService)) as OleMenuCommandService);
base.Initialize();
}
#endregion
}
}
Command1.cs:
using Microsoft.VisualStudio.Shell;
using System;
using System.ComponentModel.Design;
using System.Diagnostics;
namespace minimal {
internal sealed class Command1 {
public static readonly Guid CommandSet = new Guid("c1388361-6429-452c-8ba0-580d292ef0ca");
private Command1() {
}
public static void Initialize(Package package, OleMenuCommandService mcs) {
AddOneCommand(mcs, 0x0100, "Renamed placeholder command"); // the placeholder
AddOneCommand(mcs, 0x0101, "Dynamic command 1"); // a dynamic command
AddOneCommand(mcs, 0x0102, "Dynamic command 2");
}
internal static void AddOneCommand(OleMenuCommandService mcs, uint cmdid, string cmdname) {
Debug.WriteLine("AddOneCommand" + cmdid.ToString("X4"));
CommandID id = new CommandID(CommandSet, (int) cmdid);
OleMenuCommand mc = new OleMenuCommand(new EventHandler(MenuItemCallback), id, cmdname);
mc.BeforeQueryStatus += OnBeforeQueryStatus;
mcs.AddCommand(mc);
}
private static void OnBeforeQueryStatus(object sender, EventArgs e) {
OleMenuCommand mc = sender as OleMenuCommand;
Debug.WriteLine("OnBeforeQueryStatus called for " + mc.CommandID.ToString());
}
private static void MenuItemCallback(object sender, EventArgs e) {
OleMenuCommand mc = sender as OleMenuCommand;
System.Windows.Forms.MessageBox.Show("MenuItemCallback called for " + mc.CommandID.ToString());
}
}
}
Command1Package.vsct:
個<?xml version="1.0" encoding="utf-8"?>
<CommandTable xmlns="http://schemas.microsoft.com/VisualStudio/2005-10-18/CommandTable" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<Extern href="stdidcmd.h"/>
<Extern href="vsshlids.h"/>
<Commands package="guidCommand1Package">
<Groups>
<Group guid="guidCommand1PackageCmdSet" id="MyMenuGroup" priority="0x0600">
<Parent guid="guidSHLMainMenu" id="IDM_VS_MENU_TOOLS"/>
</Group>
<Group guid="guidCommand1PackageCmdSet" id="MyMenuSubgroup" priority="0x0100">
<Parent guid="guidCommand1PackageCmdSet" id="SubMenu"/>
</Group>
</Groups>
<Menus>
<Menu guid="guidCommand1PackageCmdSet" id="SubMenu" priority="0x0100" type="Menu">
<Parent guid="guidCommand1PackageCmdSet" id="MyMenuGroup"/>
<Strings>
<ButtonText>Minimal commands</ButtonText>
<CommandName>MinimalCommands</CommandName>
</Strings>
</Menu>
</Menus>
<Buttons>
<Button guid="guidCommand1PackageCmdSet" id="Command1Id" priority="0x0100" type="Button">
<Parent guid="guidCommand1PackageCmdSet" id="MyMenuSubgroup" />
<CommandFlag>DynamicItemStart</CommandFlag>
<CommandFlag>TextChanges</CommandFlag>
<CommandFlag>DynamicVisibility</CommandFlag>
<Strings>
<ButtonText>Invoke Command1</ButtonText>
<CommandName>Command1</CommandName>
</Strings>
</Button>
</Buttons>
</Commands>
<Symbols>
<GuidSymbol name="guidCommand1Package" value="{3e88287b-7b79-403d-ae8d-3329af218869}" />
<GuidSymbol name="guidCommand1PackageCmdSet" value="{c1388361-6429-452c-8ba0-580d292ef0ca}">
<IDSymbol name="MyMenuGroup" value="0x1020" />
<IDSymbol name="MyMenuSubgroup" value="0x1021"/>
<IDSymbol name="SubMenu" value="0x200"/>
<IDSymbol name="Command1Id" value="0x0100" />
</GuidSymbol>
</Symbols>
</CommandTable>
一些觀察:
- 沒有在包裝上
[ProvideAutoLoad]
屬性,框架不會實例直到後你執行的佔位符命令,該命令是在子菜單中的唯一項目包那一點。看起來由VS嚮導生成的代碼應該爲你做這件事,因爲這個屬性(在許多其他中)沒有在Package類的幫助條目中提到。 - 我真的希望佔位符不要出現在菜單上。但將其標記爲隱形(在
OnBeforeQueryStatus
中)使整個子菜單消失。我能做的最好的就是改變這個命令的名字。 「如何:動態添加菜單項」的幫助條目沒有提到這一點。 (不要爲讀取VS 2015的條目而煩心,因爲示例代碼不必要的複雜,並且不會顯示如何動態添加菜單命令。VS 2012示例更容易遵循。) - <rant>當然,但這在MFC中更容易!
GetMenu()
,GetSubMenu()
等。我認爲.net應該比傳統的Win32編程更容易。 </rant > - 有沒有更好的方法來添加動態項目菜單?