// Unregister the Jump List file handle
private void btnUnregisterFileType_Click(object sender, EventArgs e)
{
// Check whether the application ID has been registered
if (!HelperMethod.IsApplicationRegistered(TaskbarManager.Instance.ApplicationId))
{
MessageBox.Show(".txt file type has not been registered yet!");
return;
}
// Check whether the application is runas Admin, since we need the Admin privilege
// to modify the HKCR registry values
if (!HelperMethod.IsAdmin())
{
// Ask the user whether to elevate the application
var result = MessageBox.Show("This operation needs Admin privilege!" +
"\r\nRestart and run the application as Admin?", "Warning!",
MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
try
{
// Call helper method to restart the application as Admin
HelperMethod.RestartApplicationAsAdmin();
}
catch
{
return;
}
Application.Exit(); // Kill the current application instance
}
else
{
return;
}
}
// If the application is runas Admin
try
{
// Call helper method to unregister the .txt file handle
HelperMethod.UnregisterFileAssociations(TaskbarManager.Instance.ApplicationId,
false, TaskbarManager.Instance.ApplicationId,
Assembly.GetExecutingAssembly().Location, ".txt");
MessageBox.Show(".txt file type is unregistered successfully!");
}
catch (Exception ex)
{
MessageBox.Show("Error unregistering file type association:\r\n" + ex.Message);
}
}
// Add a custom shell item to the custom category
private void btnAddItem_Click(object sender, EventArgs e)
{
try
{
// Check the if the file name is valid
if (!HelperMethod.CheckFileName(tbItem.Text))
{
return;
}
// Create a .txt file in the temp foler and create a shell item for this file
JumpListItem jli = new JumpListItem(HelperMethod.GetTempFileName(tbItem.Text));
// Add the shell item to the custom category
_currentCategory.AddJumpListItems(jli);
JumpList.Refresh(); // Refresh the Jump List
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
