.net – Disabling Scroll with System.Console.Write

consolevb.net

Is it possible to use Console.Write to place a single character at the very bottom right of a typical 80×25 console, without having the console scroll the row up? This is the code that I'm using…

Imports System
Console.SetCursorPosition(Console.WindowWidth-1, Console.WindowHeight-1)
Console.Write("x")

This is not working like I would like it to. Any suggestions or alternatives? I've tested that SetCursorPosition does use a 0,0 coordinate system, already. Using the WindowWidth-1/Height-1 should put me in the lower right corner of the screen… which it does, but then Console.Write is putting the "x" down and continuing on to the next line.

Best Solution

You can try moving the buffer area. For example:

Console.WriteLine("Top")
Console.SetCursorPosition(Console.WindowWidth - 1, Console.WindowHeight - 1)
Console.Write("x")
Console.MoveBufferArea(0, 0, 80, 25, 0, 1)
Console.ReadLine()

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Vb.net – Disabling CheckBoxes

As @brian already said, Radio buttons seem like a more organic way to achieve this result, but you still could do this with checkboxes if you wanted

Handle the CheckBox.CheckedChanged event with the same sub for all four checkboxes

Private Sub CheckBox1_CheckedChanged(sender As System.Object, e As System.EventArgs) _
    Handles CheckBox1.CheckedChanged, CheckBox2.CheckedChanged, CheckBox3.CheckedChanged, CheckBox4.CheckedChanged
    'cast sender
    Dim senderCheck As CheckBox = DirectCast(sender, CheckBox)

    'loop through all checkboxes
    For Each checkbox In {CheckBox1, CheckBox2, CheckBox3, CheckBox4}

        'only apply changes to non-sender  boxes
        If checkbox IsNot senderCheck Then

            'set property to opposite of sender so you can renable when unchecked
            checkbox.Enabled = Not senderCheck.Checked
        End If
    Next
End Sub

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