/// <summary>
/// Updates the location of the form relevant to the selected display
/// </summary>
/// <param name="collapse">Display form in a collapsed/shrunk state</param>
private void RefreshSwitchUI(bool collapse)
{
//Only set if form state changing
if (iscollapsed != collapse)
{
//Set required size for form and show/hide panels with relevant controls
if (!collapse)
{
this.Size = new Size(370, 95); pnlMin.Hide(); pnlMain.Show(); this.ControlBox = true;
}
else
{
this.Size = new Size(136, 95); pnlMain.Hide(); pnlMin.Show(); this.ControlBox = false;
}
}
//Test if form is to be collapsed, and set the appropriate position for the form
if (!collapse)
{
int[] windowpos = VNC_Screen.PositionForDisplay(false, RegistryManagement.GetRegistryValue("DisplayDevice")); this.Left = windowpos[0]; this.Top = windowpos[1];
}
else
{
int[] windowpos = VNC_Screen.PositionForDisplay(true, RegistryManagement.GetRegistryValue("DisplayDevice")); this.Left = windowpos[0]; this.Top = windowpos[1];
}
iscollapsed = collapse;
}
/// <summary>
/// Event fired when tmrCheckPrimaryScreen elapses - used to ensure we have recorded the correct primary display
/// </summary>
private void tmrCheckPrimaryScreen_Tick(object sender, EventArgs e)
{
if (RegistryManagement.GetRegistryValue("PrimaryMonitor") != VNC_Screen.GetPrimaryScreen().DeviceName)
{
RegistryManagement.SetRegistryValue("PrimaryMonitor", VNC_Screen.GetPrimaryScreen().DeviceName);
}
}
/// <summary>
/// Event fired when tmrShowSwitchUI elapses - used to force frmSwitchUI to show if invoked via an appropriate command
/// </summary>
private void tmrShowSwitchUI_Tick(object sender, EventArgs e)
{
bool showuinow = false;
if (RegistryManagement.GetRegistryValue("ShowUINow") != "")
{
showuinow = Convert.ToBoolean(RegistryManagement.GetRegistryValue("ShowUINow"));
}
if (showuinow)
{
RegistryManagement.SetRegistryValue("ShowUINow", "false"); ShowSwitchUI(true);
}
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
string[] envargs = Environment.GetCommandLineArgs();
//Run custom actions if command line switches are present
if (envargs.Length > 1)
{
for (int index = 1; index < envargs.Length; index++)
{
envargs[index] = envargs[index].TrimStart('-');
switch (envargs[index])
{
//If application already running, force the UI to appear (this is used in Desktop shortcut)
case "showui":
if (AlreadyRunning())
{
Application.Run(new frmTray(true));
}
else
{
RegistryManagement.SetRegistryValue("ShowUINow", "true");
}
break;
//Start application with main UI not visible, used for logon event
case "startup":
Application.Run(new frmTray(false));
break;
default:
break;
}
}
}
else
{
//If already running, show UI, else exit program
if (AlreadyRunning())
{
Application.Run(new frmTray(true));
}
}
}
/// <summary>
/// Event for our Registry polling Timer
/// </summary>
private void tmrCheckReg_Tick(object sender, EventArgs e)
{
//Don't fire if user is currently selecting a display
if (!cmbDisplaySelector.DroppedDown)
{
//Only fire if the last session state indicates a user is currently logged in
if (RegistryManagement.GetRegistryValue("SessionChange") == "SessionLogon" || RegistryManagement.GetRegistryValue("SessionChange") == "SessionUnlock")
{
//Check if the selected value is different to the set value
if (cmbDisplaySelector.SelectedValue.ToString() != RegistryManagement.GetRegistryValue("DisplayDevice"))
{
//Set the combobox value to match the displayed screen from Registry
if (RegistryManagement.GetRegistryValue("DisplayDevice") != "")
{
cmbDisplaySelector.SelectedIndex = VNC_Screen.EnumerateScreens().FindIndex(x => x.DeviceName == RegistryManagement.GetRegistryValue("DisplayDevice"));
}
else
{
cmbDisplaySelector.SelectedIndex = 0;
}
}
}
}
}
/// <summary>
/// When the combobox value is changed, set the Registry value using the selected value, and update position of form
/// </summary>
private void cmbDisplaySelector_SelectedIndexChanged(object sender, EventArgs e)
{
RegistryManagement.SetRegistryValue("DisplayDevice", cmbDisplaySelector.SelectedValue.ToString());
RefreshSwitchUI(false);
}
/// <summary>
/// COnstructor for the formo
/// </summary>
/// <param name="_allowclose">Is the form allowed to be closed (e.g. shown when VNC session not in progress)</param>
public frmSwitchUI(bool _allowclose)
{
InitializeComponent();
allowclose = _allowclose;
//Set datasource for combobox to a list of currently connected screens
cmbDisplaySelector.DataSource = VNC_Screen.EnumerateScreens();
//Set combobox selection to match the current screen displayed from Registry value
cmbDisplaySelector.SelectedIndex = VNC_Screen.EnumerateScreens().FindIndex(x => x.DeviceName == RegistryManagement.GetRegistryValue("DisplayDevice"));
//Display full form
RefreshSwitchUI(false);
//Attach event handler for combobox
cmbDisplaySelector.SelectedIndexChanged += new EventHandler(cmbDisplaySelector_SelectedIndexChanged);
}
