WPF: How to merge multiple columns in grid ?

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Auto Scroll in Common Controls

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This example shows, how to programatically autoscroll WinForm controls TextBox, ListBox, ListView, TreeView and DataGridView. Autoscroll to the end of box or view is useful. For example, in situations when you use one of these components as the output log window. Usually you add the items to the box or view and you want to be sure that the recently added item is visible without the necessary to do it manually. Though it is not difficult to solve this problem, .NET doesn't provide any unified way how to do it. TextBox autoscroll Code: textBox1.SelectionStart = textBox1.Text.Length; textBox1.ScrollToCaret(); ListBox autoscroll Code: listBox1.SelectedIndex = listBox1.Items.Count - 1; listBox1.SelectedIndex = -1; ListView autoscroll Code: listView1.EnsureVisible(listView1.Items.Count - 1); TreeView autoscroll Code: treeView1.Nodes[treeView1.Nodes.Count - 1].EnsureVisible(); DataGridView autoscroll Code: dataGridView1.FirstDisplayedCell = ...
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Disable close button on form - C#

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In one of my projects, I had to implement a form with Close[X] button Hide, so that the user cannot leave the form until it finishes the data processing. From the form designer window in VS.Net 2005, it is possible to hide the Minimize box and Maximize box. But there is no property called Close or CloseBox. Then I had tried with by setting form property ControlBox = false . With this i am able to achieve hiding the Close/Minimize/Maximize buttons. But at the same time there is a side effect.i.e., Form icon(which is generally displayed on form title bar)  also hidden.  So after little bit investigation came up with the following hack to get,  i)  disable the close button  ii) displaying the form icon To achieve this, we have to override CreateParams property of Form base class as follows, Code: private const int CP_DISABLE_CLOSE_BUTTON = 0x200; protected override CreateParams CreateParams { get ...
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(C#) How to parse float numbers with IFormatProvider?

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IFormatProvider for Numbers in C#  The following example shows how to convert float to string and vice-versa using IFormatProvider . To get IFormatProvider you need to get CultureInfo instance first. Get invariant or specific CultureInfo Invariant culture is a special type of culture which is culture-insensitive. You should use this culture when you need culture-independent results , e.g. when you format or parse values in XML file. The invariant culture is internally associated with the English language. To get invariant CultureInfo instance use static property CultureInfo.In­variantCulture . To get specific CultureInfo instance use static method CultureInfo.Get­CultureInfo with the specific culture name, e.g. for the German language  Code: CultureInfo.GetCultureInfo("de-DE"); Format and parse numbers using the IFormatProvider Once you have the CultureInfo instance, use property CultureInfo.Num­berFormat to get an IFormatProvider for number...
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