public static void FocusAssociatedDiffWindow(this SolutionSelectionContainer <ISolutionSelection> selectedItem, IVsUIShell vsUIShell)
{
ThreadHelper.ThrowIfNotOnUIThread();
foreach (IVsWindowFrame vsWindowFrame in GetAllWindowFramesFromShell(vsUIShell))
{
// check if the frame is (A) The same as the selected item name AND (B) is a DifferenceCodeWindowType
var frameImpl = vsWindowFrame as WindowFrame;
if (frameImpl != null &&
frameImpl.IsDocument &&
frameImpl.DocumentMoniker.Equals(selectedItem.FullName, StringComparison.OrdinalIgnoreCase) &&
IsDiffWindowFrame(frameImpl))
{
frameImpl.Show();
break;
}
}
}
/// <summary>
/// Here we iterate over all open window frames in UI Shell, and check if a frame has the same name as this projectItem, and
/// if that frame is of type DifferenceCodeWindow.
/// </summary>
/// <remarks>
/// Note that if this method proves to be too slow for large number of document frames opened in UI shell:
/// We can just checks for Window captions of the windows in given projectItem: projectItem.Document.Windows.
/// Any window with caption that contains the string: "Vs. {projectItem.Document.Name}" has got to be a diff window associated with this item.
/// </remarks>
public static bool HasNoAssociatedDiffWindow(this SolutionSelectionContainer <ISolutionSelection> selectedItem, IVsUIShell vsUIShell)
{
ThreadHelper.ThrowIfNotOnUIThread();
// Specific checks for EnvDTE.ProjectItem so it becomes easy to return early
if (selectedItem.Item is SelectedProjectItem)
{
if (selectedItem.Item.Document == null)
{
return(true);
}
if (selectedItem.Item.Document.Windows.Count == 0)
{
// No windows at all...
return(true);
}
}
bool diffWindowExistsForDocument = false;
foreach (IVsWindowFrame vsWindowFrame in GetAllWindowFramesFromShell(vsUIShell))
{
// check if the frame is (A) The same as the selected item name AND (B) is a DifferenceCodeWindowType
var frameImpl = vsWindowFrame as WindowFrame;
if (frameImpl != null &&
frameImpl.IsDocument &&
frameImpl.DocumentMoniker.Equals(selectedItem.FullName, StringComparison.OrdinalIgnoreCase) &&
IsDiffWindowFrame(frameImpl))
{
diffWindowExistsForDocument = true;
break;
}
}
return(!diffWindowExistsForDocument);
}