с# how to get aplication path / с# получить путь к вашей программе

System.Windows.Forms.Application.StartupPath

C# WPF Control with transparent background

//Set background color


mycontrol.Background = Brushes.Green;


//Not transparent


mycontrol.Opacity=1;


//Half transparent


mycontrol.Opacity=0.5;

How to add a CheckBox to a Menu Item in WPF

xaml

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1. <MenuItem IsCheckable="True" x:Name="_showSolutionExplorer" Header="Solution Explorer" Click="_showContent_Click"></MenuItem>  

c#

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1. private void _showContent_Click(object sender, RoutedEventArgs e)   
2. {   
3.     If ((sender as MenuItem).IsChecked)   
4.         MessageBox.Show("MenuItem is checked");   
5.     else   
6.         MessageBox.Show("MenuItem is not checked");   
7. }  

c# WPF change foreground

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1. myobject.Foreground = Brushes.Black;  

OR

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1. myobject.Foreground = new SolidColorBrush(Colors.Green);  

C# Write and read config file

app.config

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1. <?xml version="1.0"?>  
2. <configuration>  
3.   <appSettings>  
4.     <add key="oldPlace" value="4" />  
5.   </appSettings>  
6. </configuration>  

Write:

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1. System.Configuration.Configuration config =ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);  
   
2. config.AppSettings.Settings["oldPlace"].Value = "3";       
   
3. config.Save(ConfigurationSaveMode.Modified);  
   
4. ConfigurationManager.RefreshSection("appSettings");  
   

Read:

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1. string value = ConfigurationManager.AppSettings["oldPlace"];