public bool TrySelectFile(Project project, string title, string filter, string storageKey, out string file)
{
IVsHierarchy vsHierarchy;
if (!NativeMethods.Succeeded(((IVsSolution)this.Dialog.ServiceProvider.GetService(typeof(SVsSolution))).GetProjectOfUniqueName(project.FullName, out vsHierarchy)))
{
file = null;
return(false);
}
string item = null;
ProjectSettings projectSetting = null;
IVsBuildPropertyStorage vsBuildPropertyStorage = null;
if (storageKey != null)
{
vsBuildPropertyStorage = vsHierarchy as IVsBuildPropertyStorage;
}
if (vsBuildPropertyStorage != null)
{
try
{
projectSetting = new ProjectSettings(vsBuildPropertyStorage);
item = projectSetting[storageKey];
}
catch
{
projectSetting = null;
}
}
if (!ProjectItemSelector.TrySelectItem(vsHierarchy, title, filter, item, out file))
{
return(false);
}
if (projectSetting != null)
{
try
{
projectSetting[storageKey] = file;
}
catch
{
projectSetting = null;
}
}
return(true);
}
public static bool TrySelectItem(IVsHierarchy hierarchy, string title, string filter, string preselectedItem, out string relativePath)
{
bool flag;
if (hierarchy == null)
{
throw new ArgumentNullException("hierarchy");
}
if (title == null)
{
throw new ArgumentNullException("title");
}
if (filter == null)
{
throw new ArgumentNullException("filter");
}
if (!NativeMethods.Succeeded(ProjectItemSelector.SelectItem(hierarchy, filter, title, preselectedItem, out relativePath, out flag)))
{
return(false);
}
return(!flag);
}