private void UpdateFileAssociationsButtonState()
{
if (CurrentOS.IsWindows)
{
#if WIN32
btnAssociateFiles.Visible = true;
btnAssociateFiles.Enabled = true;
var fileAssociation = new TangraFileAssociations();
if (fileAssociation.Registered)
{
btnAssociateFiles.Text = "Re-Associate files with Tangra";
}
else
{
btnAssociateFiles.Text = "Associate files with Tangra";
if (!fileAssociation.CanRegisterWithoutElevation)
{
btnAssociateFiles.FlatStyle = FlatStyle.System;
WindowsHelpers.SendMessage(btnAssociateFiles.Handle, WindowsHelpers.BCM_SETSHIELD, 0, (IntPtr)1);
}
}
if (fileAssociation.CanRegisterWithoutElevation)
{
btnAssociateFiles.Tag = fileAssociation;
}
#endif
}
else
{
btnAssociateFiles.Visible = false;
}
}
private void btnAssociateFiles_Click(object sender, EventArgs e)
{
#if WIN32
TangraFileAssociations fileAssocHelper = btnAssociateFiles.Tag as TangraFileAssociations;
if (fileAssocHelper != null)
{
fileAssocHelper.Associate(true);
UpdateFileAssociationsButtonState();
}
else
{
// Launch itself as administrator passing the right parameter the do the job
var proc = new ProcessStartInfo();
proc.UseShellExecute = true;
proc.WorkingDirectory = Environment.CurrentDirectory;
proc.FileName = Application.ExecutablePath;
proc.Arguments = TangraFileAssociations.COMMAND_LINE_ASSOCIATE;
proc.Verb = "runas";
btnAssociateFiles.Enabled = false;
try
{
Process newProcess = new Process()
{
StartInfo = proc
};
newProcess.Start();
newProcess.WaitForExit();
}
catch
{
// The user refused to allow privileges elevation.
// Do nothing and return directly ...
return;
}
finally
{
UpdateFileAssociationsButtonState();
}
}
#endif
}
static bool ExecuteNonUICommandLineActions()
{
string[] args = Environment.GetCommandLineArgs();
string action = args.Length > 1 ? args[1].Trim('"') : null;
if (CurrentOS.IsWindows)
{
#if WIN32
bool isRegisterAssociationsCommand = TangraFileAssociations.COMMAND_LINE_ASSOCIATE.Equals(action, StringComparison.InvariantCultureIgnoreCase);
try
{
var fileAssociation = new TangraFileAssociations();
if (!fileAssociation.Registered || isRegisterAssociationsCommand)
{
fileAssociation.Associate(false);
}
}
catch (Exception ex)
{
if (isRegisterAssociationsCommand)
{
Trace.WriteLine(ex.GetFullStackTrace());
}
}
return(isRegisterAssociationsCommand);
#else
return(false);
#endif
}
else
{
return(false);
}
}