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Three ways to set a tooltip on a control in a Windows Store app: the Properties window, XAML and code behind.
ToolTip textUriTip = new ToolTip();
textUriTip.Content = "New ToolTip";
ToolTipService.SetToolTip(usr, textUriTip);Replace all b tags with strong tags in C# using a lazy regular expression that also works across line breaks.
<b>This is a bold text</b> Lorem Ipsum is simply dummy text
<b>some more bold text</b>
Lorem Ipsum is simply dummy text <b> again bold text </b>Windows Store apps have no config file. Use ApplicationData.Current.LocalSettings to save and read app settings in C#.
using Windows.Storage;
bool SaveSettings(string key, string value)
{
try
{Reassign an existing SharePoint 2010 workflow task to a different user with SPWorkflowTask.AlterTask.
using (SPSite site = new SPSite("http://myteamsite:2012/"))
{
using (SPWeb web = site.OpenWeb())
{
SPUser user = web.SiteUsers["myad\\administrator"];
SPListItem taskItem = web.Lists["Shared Documents"].Items[0];What you need to start building Windows 8 Store apps: Windows 8, Visual Studio 2012 and a developer licence, plus a dual boot setup.
A console sample that uses FileSystemWatcher to log a timestamp every time a file changes.
using System;
using System.IO;
namespace ConsoleApplication1
{
class ProgramRemove duplicate strings from a List in C#, the old way with Sort and RemoveAt and the shorter way with Distinct.
List<string> strlist = new List<string>();
//Fill the list with random values
strlist.Sort();
Int32 index = 0;
while (index < strlist.Count - 1)
{Build a cascading dropdown in ASP.NET with jQuery and a page method: pick an author and the books drop down fills in.
Use LINQ GroupBy to count how many times each value appears in an integer array.
private Dictionary<int, int> GetArrayDuplicates(int[] arrayToSearch)
{
Dictionary<int, int> counts = arrayToSearch.GroupBy(arrayItem => arrayItem)
.ToDictionary(groupedItem => groupedItem.Key,
groupedItem => groupedItem.Count());
return counts;Two ways to start a C# application automatically at Windows startup: the Startup folder or a Run registry key.
private void RegisterStartupApplication()
{
RegistryKey regKey = Registry.CurrentUser.OpenSubKey
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
regKey.SetValue("MyApplicationsName", Application.ExecutablePath);
}Minimise all windows from C#, the same as clicking Show Desktop on the taskbar, using the Shell32 COM library.
Shell32.ShellClass shell = new Shell32.ShellClass();
shell.MinimizeAll();Read the default Outlook contacts folder from C# using the Outlook interop assembly and return them as a DataSet.
using Microsoft.Office.Interop.Outlook;