i am developing a C# application where i need to save the user input given by the user in a dialog prompt in the registry.then show the output say the font style and color of the text which i have selected in the form should be saved in the registry even when i close the application and open it again.can neone pls help me wth the C# code snippet.thanks.
Accessing windows registry using C#
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^^ Do you want to use only registery?
If you want to just store some application data like the ones you have said, you can use App.config file to use it. It is much simpler to store settings in app.config rather than in registery.
edit: Please mention the visual studio version you are using (2003 or 2005)
edit: Please mention the visual studio version you are using (2003 or 2005)
If you want to just store some application data like the ones you have said, you can use App.config file to use it. It is much simpler to store settings in app.config rather than in registery.
edit: Please mention the visual studio version you are using (2003 or 2005)
edit: Please mention the visual studio version you are using (2003 or 2005)
Last edited:
QwertyManiac
Commander in Chief
Application config files would do the same. Why registry specifically? 
Ok here you.....
I have created two functions for you.
Use ReadKey for reading a value from registery and SetKey to set the value of a registery. I havent done much testing with various key types but this should give you the kickstart needed.
I have created two functions for you.
Use ReadKey for reading a value from registery and SetKey to set the value of a registery. I havent done much testing with various key types but this should give you the kickstart needed.
Code:
[COLOR="Blue"]Private Sub[/COLOR] Button1_Click([COLOR="#0000ff"]ByVal[/COLOR] sender [COLOR="#0000ff"]As[/COLOR] System.Object, [COLOR="#0000ff"]ByVal[/COLOR] e [COLOR="#0000ff"]As[/COLOR] System.EventArgs) [COLOR="#0000ff"]Handles[/COLOR] Button1.Click
SetKey([COLOR="Red"]"Software\TestApp"[/COLOR],[COLOR="#ff0000"] "Color"[/COLOR], [COLOR="#ff0000"]"Color.Red"[/COLOR])
SetKey([COLOR="#ff0000"]"Software\TestApp"[/COLOR], [COLOR="#ff0000"]"Font"[/COLOR], [COLOR="#ff0000"]"Times New Roman"[/COLOR])
MessageBox.Show(ReadKey([COLOR="#ff0000"]"Software\TestApp"[/COLOR], [COLOR="#ff0000"]"Font"[/COLOR]))
MessageBox.Show(ReadKey([COLOR="#ff0000"]"Software\TestApp"[/COLOR], [COLOR="#ff0000"]"Color"[/COLOR]))
[COLOR="Blue"]End Sub[/COLOR]
[COLOR="#0000ff"]Public Shared Function[/COLOR] ReadKey([COLOR="#0000ff"]ByVal[/COLOR] Key [COLOR="#0000ff"]As[/COLOR] [COLOR="#0000ff"]String[/COLOR], [COLOR="Blue"]ByVal[/COLOR] SubKey [COLOR="#0000ff"]As String[/COLOR]) [COLOR="#0000ff"]As String[/COLOR]
Dim regKey As Microsoft.Win32.RegistryKey
Dim ver As String = String.Empty
[COLOR="#0000ff"]Try[/COLOR]
regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(Key)
ver = regKey.GetValue(SubKey)
regKey.Close()
[COLOR="#0000ff"]Catch [/COLOR]ex [COLOR="#0000ff"]As[/COLOR] Exception
[COLOR="#0000ff"]Return False[/COLOR]
[COLOR="#0000ff"] End Try[/COLOR]
Return ver
[COLOR="#0000ff"]End Function[/COLOR]
[COLOR="#0000ff"]Public Shared Function[/COLOR] SetKey([COLOR="#0000ff"]ByVal[/COLOR] Key [COLOR="#0000ff"]As String[/COLOR], [COLOR="#0000ff"]ByVal [/COLOR]SubKey [COLOR="#0000ff"]As String[/COLOR], [COLOR="#0000ff"]ByVal[/COLOR] Value [COLOR="#0000ff"]As String[/COLOR]) [COLOR="#0000ff"]As Boolean[/COLOR]
Dim regKey As Microsoft.Win32.RegistryKey
[COLOR="Blue"] Try[/COLOR]
regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(Key, True)
regKey.SetValue(SubKey, Value)
regKey.Close()
[COLOR="Blue"] Return True[/COLOR]
[COLOR="#0000ff"] Catch[/COLOR] ex As Exception
[COLOR="#0000ff"] Return False[/COLOR]
[COLOR="#0000ff"] End Try[/COLOR]
[COLOR="#0000ff"] End Function[/COLOR]
ManishSinha
Addicted to FOSS
Found this on a site
Code:
// Attempt to open the key
RegistryKey key = Registry.CurrentUser.OpenSubKey( "Software\\Play\\WindowPos" );
// If the return value is null, the key doesn't exist
if ( key == null )
{
// The key doesn't exist; create it / open it
key = Registry.CurrentUser.CreateSubKey( "Software\\Play\\WindowPos" );
}
// Attempt to retrieve the value X; if null is returned, the value
// doesn't exist in the registry.
if ( key.GetValue( "X" ) != null )
{
// The value exists; move the form to the coordinates stored in the
// registry.
Location = new Point( (int)key.GetValue( "X" ), (int)key.GetValue( "Y" ) );
}He asked for a C# code and not a VB code
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Woops
neway here is the C# Code.
Code:
private void Button1_Click(object sender, System.EventArgs e)
{
SetKey("Software\\TestApp", "Color", "Color.Red");
SetKey("Software\\TestApp", "Font", "Times New Roman");
MessageBox.Show(ReadKey("Software\\TestApp", "Font"));
MessageBox.Show(ReadKey("Software\\TestApp", "Color"));
}
public static string ReadKey(string Key, string SubKey)
{
Microsoft.Win32.RegistryKey regKey;
string ver = string.Empty;
try {
regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(Key);
ver = regKey.GetValue(SubKey);
regKey.Close();
}
catch (Exception ex) {
return false;
}
return ver;
}
public static bool SetKey(string Key, string SubKey, string Value)
{
Microsoft.Win32.RegistryKey regKey;
try {
regKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(Key, true);
regKey.SetValue(SubKey, Value);
regKey.Close();
return true;
}
catch (Exception ex) {
return false;
}
}You mean like the foreground of the textbox must have a image ?
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