/// <summary>
/// Returns an IVsTextView for the given file path, if the given file is open in Visual Studio.
/// </summary>
/// <param name="serviceProvider">The package Service Provider.</param>
/// <param name="filePath">Full Path of the file you are looking for.</param>
/// <returns>
/// The IVsTextView for this file, if it is open, null otherwise.
/// </returns>
internal static async Task <IWpfTextView> GetWpfTextViewByFilePathAsync(this Shell.IAsyncServiceProvider serviceProvider, string filePath)
{
if (filePath.IsNullOrWhiteSpace() || serviceProvider == null)
{
return(null);
}
if (!Shell.ThreadHelper.CheckAccess())
{
await Shell.ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
}
DTE2 dte2 = await serviceProvider.GetServiceAsync <Shell.Interop.SDTE, DTE2>();
var oleServiceProvider = dte2 as Microsoft.VisualStudio.OLE.Interop.IServiceProvider;
if (dte2 == null || oleServiceProvider == null)
{
return(null);
}
Shell.ServiceProvider shellServiceProvider = new Shell.ServiceProvider(oleServiceProvider);
if (Shell.VsShellUtilities.IsDocumentOpen(shellServiceProvider, filePath, Guid.Empty, out var uiHierarchy, out var itemID, out var windowFrame))
{
IVsTextView textView = Shell.VsShellUtilities.GetTextView(windowFrame); // Get the IVsTextView from the windowFrame
return(await serviceProvider.GetWpfTextViewFromTextViewAsync(textView));
}
return(null);
}
internal static async Task <IWpfTextView> GetWpfTextViewAsync(this Shell.IAsyncServiceProvider serviceProvider)
{
if (serviceProvider == null)
{
return(null);
}
IVsTextManager textManager = await serviceProvider.GetServiceAsync <SVsTextManager, IVsTextManager>();
if (textManager == null || textManager.GetActiveView(1, null, out IVsTextView textView) != VSConstants.S_OK)
{
return(null);
}
return(await serviceProvider.GetWpfTextViewFromTextViewAsync(textView));
}
