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@imAliAsad imAliAsad/App.cs
Created Feb 21, 2018

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Create a button in a custom ribbon in Revit and add the functionality to enable/disable the revit addin button
class App : IExternalApplication
{
public static PushButton Pushbutton { get; set; }
public Result OnStartup(UIControlledApplication application)
{
OnButtonCreate(application);
return Result.Succeeded;
}
public Result OnShutdown(UIControlledApplication a)
{
return Result.Succeeded;
}
/// <summary>
/// Create a custom button on the ribbon
/// </summary>
/// <param name="application"></param>
private void OnButtonCreate(UIControlledApplication application)
{
// Create a custom ribbon tab
String tabName = "NewTab";
//Create Ribbon panel if it is not created already
try { application.CreateRibbonTab(tabName); } catch { }
string executableLocation = Path.GetDirectoryName(
Assembly.GetExecutingAssembly().Location);
string dllLocation = Path.Combine(executableLocation, "ProjectName.dll");
PushButtonData buttondata = new PushButtonData("ProjectNameBtn", "Project \nName",
dllLocation, "ProjectName.Command");
buttondata.ToolTip = "This addin will do something";
BitmapImage pb1Image = new BitmapImage(new Uri("pack://application:,,,/ProjectName;component/Resources/Project.ico"));
buttondata.LargeImage = pb1Image;
var ribbonPanel = application.CreateRibbonPanel(tabName, "Productivity");
// Store the PushButton reference. Later we can use
// Pushbutton.Enable = false/true
Pushbutton = ribbonPanel.AddItem(buttondata) as PushButton;
}
}
class EventControllerWPF : IExternalApplication
{
// class instance
public static EventControllerWPF Instance;
// ModelessForm instance
private UserControl defaultControl;
public System.Windows.Window Window = new System.Windows.Window();
public Result OnStartup(UIControlledApplication application)
{
defaultControl = null;
return Result.Succeeded;
}
public Result OnShutdown(UIControlledApplication application)
{
if (Window != null)
{
Window.Close();
}
return Result.Succeeded;
}
public void ShowForm(UIApplication uiapp)
{
if (defaultControl == null)
{
if(Instance == null)
{
Instance = this;
}
// A new handler to handle request posting by the dialog
ExternalRevitFileSelecter handler = new ExternalRevitFileSelecter();
// External Event for the dialog to use (to post requests)
ExternalEvent exEvent = ExternalEvent.Create(handler);
// We give the objects to the new dialog;
// The dialog becomes the owner responsible for disposing them, eventually.
defaultControl = new DefaultControl(exEvent, handler);
this.Window.Content = defaultControl;
BitmapImage pb1Image = new BitmapImage(new Uri("pack://application:,,,/ProjectName;component/Resources/ProjectName.ico"));
this.Window.Icon = pb1Image;
this.Window.Title = "Project Name";
this.Window.Show();
// When application runs, make push button disable
App.Pushbutton.Enabled = false;
// Add an event to to trigger a method
// when user close the application
// so that we could enable the pushbutton again
this.Window.Closed += OnProjectNameClosed;
}
}
// When application closes, enable the Pushbutton again
private void OnProjectNameClosed(object sender, EventArgs e)
{
App.Pushbutton.Enabled = true;
}
}
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