public static void DisposeAllChildWebBrowserControls(IWindowForm ownerForm)
{
//dispose all web browser (child) windows inside this window form
List <MyCefBrowser> foundList;
if (registerTopWindowForms.TryGetValue(ownerForm, out foundList))
{
//remove webbrowser controls
for (int i = foundList.Count - 1; i >= 0; --i)
{
MyCefBrowser mycefBw = foundList[i];
IWindowControl wb = mycefBw.ParentControl;
mycefBw.NotifyCloseBw();
//---------------------------------------
var parent = wb.GetParent();
parent.RemoveChild(wb);
//this Dispose() will terminate cef_life_time_handle ***
//after native side dispose the wb control
//it will raise event BrowserDisposed
wb.Dispose();
//---------------------------------------
}
registerTopWindowForms.Remove(ownerForm);
}
}
public async Task ShowWindowAsync(IWindowControl windowContent, ShowWindowFlags flags = ShowWindowFlags.None, params string[] groupNames)
{
var openWindowInstance = new OpenWindowInstance(new WeakReference <IWindowControl>(windowContent), groupNames);
try
{
// Remove instances which have been collected by the GC
OpenWindows.RemoveWhere(x => !x.Window.TryGetTarget(out _));
Type contentType = windowContent.UIContent.GetType();
IWindowControl blockingWindow = OpenWindows.
Select(x => x.Window.TryGetTarget(out IWindowControl w) ? new { Window = w, x.GroupNames } : null).
FirstOrDefault(x =>
{
// Check for duplicate types
if (!flags.HasFlag(ShowWindowFlags.DuplicateTypesAllowed) && x?.Window.UIContent.GetType() == contentType)
{
return(true);
}
// Check for duplicate group names
if (groupNames.Any() && x?.GroupNames.Any(groupNames.Contains) == true)
{
return(true);
}
return(false);
})?.Window;
// If there is a window blocking this one from showing we return
if (blockingWindow != null)
{
Logger.Info("The window is not being shown due to a window of the same type or ID being available", contentType);
// Focus the blocking window
if (!flags.HasFlag(ShowWindowFlags.DoNotFocusBlockingWindow))
{
blockingWindow.WindowInstance?.Focus();
}
return;
}
OpenWindows.Add(openWindowInstance);
// Show the window
await ShowWindowAsync(windowContent, false, null);
}
finally
{
OpenWindows.Remove(openWindowInstance);
windowContent.Dispose();
}
}
