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How can i hide the back button using template 10?

I want to use template 10 to develop my app, but I dont know how can I hide the back button once I pass from one page to another, like for example passing from a login page to my main page.
With template 10 it always show the back button, I know how to prevent from going back, but still I can see the damn back button on the shell, I dont wish to see it.
How could I hide it?

ClearHistory is located on the HamburgerButtonInfo as a DP and if that isn't enough you can thru the NavigationService call ClearHistory as well which looks like public void ClearHistory() => FrameFacade.BackStack.Clear(); in the source so you know what it actually calls...

WPF application in one window

I am new in WPF and want to create WPF application like cookbook. I already done this and app work correctly. But I make it in this way:
First screen show buttons, which open new windows to do something. As a result i have 14 different windows. It is ok, but now i want to make it in other way.
I am trying to make one window, which will be showed at start, and change content. I divided window on two grids. First is static and is placed on bottom. It contains buttons, which represents functionality of the program. Second one will be dynamic. There i want to show content of every window. So i want to change content of this panel instead of creating new windows.
I tried to make *.cs files which will create controls in code-behind, functions and data. But my idea is not succesful and i do not know how to do this.
At all, I want to create app, which will work like this:
- if you click button "Add receip" then app will show controls to add name, ingredients and save it at the end.
- if you clik "Show receip" previous content will be replaced by list of ingredients
and etc.
I hope you will understand me.

You can create a Frame instead of second grid. Frame allows you to show pages, and not in seperate windows, in Frame itself. You can navigate the frame into the page like
mainFrame.Source = new Uri("Page1.xaml",UriKind.Relative);
This changes the frame to your page. You can change the source again, if you wanna change the page again.
Note: You can add tags to your buttons like "showReceip" and you can make just one buttonclick event for your buttons. Code will look like this.
mainFrame.Source = new Uri((sender as Button).Tag.ToString() + ".xaml",UriKind.Relative);
That takes the tag of your clicked button, add the string ".xaml" on it and take it on the source part. So, if your tag is "Page1", Source will look like "Page1.xaml" as my solution.

Appreciate the try, I hope you are looking for WPF user controls instead for separate windows. User controls are similar to windows you can create the UI and functionalities in the user control. I would like to recommend you to design the main window like the following:
<Grid>
<Canvas Name="canFunctionalButtons">
<!--Define the buttons inside this canvas
And allocate proper place for this in the UI
-->
</Canvas>
<Canvas Name="canControlContainer">
<!--This is to display the user control
Which can be changed dynamically according to the Button's click
-->
</Canvas>
</Grid>
Then you have to add click event for those buttons, which will add specific user control to the canControlContainer canvas. An example for adding an user control to this canvas is as follows, Let btnAddSomething be a button and btnAddSomething_Click be its click event then you can do something like:
private void btnAddSomething_Click(object sender, RoutedEventArgs e)
{
canControlContainer.Children.Clear(); // will remove previous contols from this canvas
// UC_AddSomething be the user control that you wanted to add here
canControlContainer.Children.Add(new UC_AddSomething());
}

Button with no hWnd

Good evening folks,
I'm building a simple application (A) that sends Strings to a textbox of another application (B). I was able to this step, but afterwards I'd like to automatically press a button placed just under the textbox. The problem is that I can't get the Handle of the Button; using "Window Detective"(similiar to Spy++), I see only the textboxes (called "TEdit", see the attachments) and no Buttons!. I'd like to add also that there's no only a Button but 3!! So, how could I press a specific Button? Is there another chance to get the Handle?
Program "target"
Window Detective screenshot

Based on the class name TEdit that's a VCL application probably coded in Delphi. The buttons are likely TSpeedButton and non-windowed. You won't be able to send them messages and they are not automatable.
Faced with this your best hope of success is to fake input. Fake the mouse click at the appropriate location on the form. It's not pretty but there's little option.

Want to create a UIContoller in a UITabController but with no tab button

I want to display an intro view (tutorial) on my monotouch app that when the user clicks on a button will take them to the main storyboard, which contains a UITabController.
I'm new to monotouch and can't work out how to do this. I'm adding an extra view that's been created to the tab bar controller in the AppDelegate.FinishedLaunching, but this always adds the button to the tab bar.
When the user has clicked the button once I don't want to show the intro page ever again, it's a one time deal (I'll save some value to disk to work this out), so I don't want to just add it to the tab controller.
Incidentally if anyone can show me where monotouch decides that it's going to start with the storyboard please let me know. The only thing I've found is the little start arrow that you drag around in XCode, but what if I have two storyboards and I want to load one based on the user being logged in or something.

You need to create simple entry ViewController with the button (Controller1). The next controller in storyboard will be the tabcontroller (TabController).
Thus you will always has the first entry screen in your application.
If you don't want to show it later than make transition from Controller1 to TabController before it is loaded. For example, override the ViewWillAppear method.
The second approach. Use this code to launch whatever you want view above all your controllers at any time:
UIViewController root= UIApplication.SharedApplication.KeyWindow.RootViewController
UIView myCustomView=new MyCustomView();
root.Add(myCustomView);
//call myCustomView.RemoveFromSuperview() and it will be dismissed

c# simulate click in context menu

So my question is:
I got an Windows Forms application in C# and an webBrowser control in this application. When you for example right-click on a video in youtube, a context menu shows up. Now, is it possible to programmatically rightclick in the webBrowser control an then, again programmatically, click a specific entry in that context menu?

Yes it is, but you always have to start from the same pixel, or better said an actual pixel range, so you can be sure that the clicked result will be the required one. Also you cant click an item by specifying its text, you must do everything programatticaly, from the graphics point of view(just work on the X - Y Axis since its only 2 dimensional). That is the way most web bots are made for various purposes.

Do you really have to simulate a click of the context menu or is just having the desired action good enough? If so than you can just get the item from the ContextMenu.Items list and assuming it a button raise its Click event. If you do need to at least show the context menu while do this you can call the ContextMenu.Show event. This all assumes that the contextmenu for your WebBrowser control is public (not some third party inherited control that hides it or something).