/// <summary>
/// Initialization of the package; this method is called right after the package is sited, so this is the place
/// where you can put all the initilaization code that rely on services provided by VisualStudio.
/// </summary>
protected override void Initialize()
{
base.Initialize();
// Add our command handlers for menu (commands must exist in the .vsct file)
OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
if (null != mcs)
{
// Create the command for the tool window
CommandID toolwndCommandID = new CommandID(GuidList.guidDynamicStartItemExamplePackageCmdSet, PkgCmdIDList.cmdidShowDynamicItemCountEntryWindow);
MenuCommand menuToolWin = new MenuCommand(ShowToolWindow, toolwndCommandID);
mcs.AddCommand(menuToolWin);
//Add a 'dummy' entry for our menu, this entry has a null EventHandler as it will never be 'executed'
//(you can't 'execute' a menu), and it doesn't set any properties as the default value of Visible is
//true and we only want this handler in place so that the command system will find it once our package
//is loaded and thus cause our main menu item to become visible.
CommandID menuID = new CommandID(GuidList.guidDynamicStartItemExamplePackageCmdSet, PkgCmdIDList.mnuidMyMenu);
MenuCommand menu = new MenuCommand(null, menuID);
mcs.AddCommand(menu);
//Add the DynamicItemMenuCommand that will be responsible for the expansion of our root item into N items
//at runtime. Where N is the value the user has entered into our tool window.
CommandID dynamicItemRootId = new CommandID(GuidList.guidDynamicStartItemExamplePackageCmdSet, PkgCmdIDList.cmdidMyDynamicStartItem);
DynamicItemMenuCommand dynamicMenuCommand = new DynamicItemMenuCommand(dynamicItemRootId,
IsValidDynamicItem,
OnInvokedDynamicItem,
OnBeforeQueryStatusDynamicItem);
mcs.AddCommand(dynamicMenuCommand);
}
}
private void OnBeforeQueryStatusDynamicItem(object sender, EventArgs args)
{
DynamicItemMenuCommand matchedCommand = (DynamicItemMenuCommand)sender;
matchedCommand.Enabled = true;
matchedCommand.Visible = true;
//The root item in the expansion won't flow through IsValidDynamicItem as it will match against the actual DynamicItemMenuCommand based on the
//'root' id given to that object on construction, only if that match fails will it try and call the dynamic id check, since it won't fail for
//the root item we need to 'special case' it here as MatchedCommandId will be 0 in that case.
bool isRootItem = (matchedCommand.MatchedCommandId == 0);
int idForDisplay = (isRootItem ? PkgCmdIDList.cmdidMyDynamicStartItem : matchedCommand.MatchedCommandId);
matchedCommand.Text = FormDisplayTextFromCommandId(idForDisplay);
//Clear this out here as we are done with it for this item.
matchedCommand.MatchedCommandId = 0;
}
private void OnInvokedDynamicItem(object sender, EventArgs args)
{
DynamicItemMenuCommand invokedCommand = (DynamicItemMenuCommand)sender;
MessageBox.Show(String.Format("You invoked item '{0}'", invokedCommand.Text));
}
