public static void SetPrimaryTV()
{
WinApi.DisplaySetting_Results result = 0;
string tv = GetScreenName(3);
string monBottom = GetScreenName(2);
string monTop = GetScreenName(0);
//-------------------------------------------------------------------------------------------------
result = SetScreenPosition(monBottom, 1920, 0, false);
Console.WriteLine(String.Format("Action for {0} result: {1}", monBottom, result.ToString()));
result = SetScreenPosition(monTop, 1920, -1152, false);
Console.WriteLine(String.Format("Action for {0} result: {1}", monTop, result.ToString()));
result = SetScreenPosition(tv, 0, 0, true);
Console.WriteLine(String.Format("Action for {0} result: {1}", tv, result.ToString()));
}
public static void SetPrimary(int dn)
{
string[] devName = new string[3];
if (dn == 1 || dn == 2)
{
if (dn == 1)
{
devName[1] = "\\\\.\\DISPLAY" + 1;
devName[2] = "\\\\.\\DISPLAY" + 2;
}
if (dn == 2)
{
devName[1] = "\\\\.\\DISPLAY" + 2;
devName[2] = "\\\\.\\DISPLAY" + 1;
}
Console.Write("CHANGE PRIMARY DISPLAY TO \\\\.\\DISPLAY" + dn + "\n\n\n");
int deviceID;
WinApi.DisplaySetting_Results result = 0;
//manual gather - NewPrimary name ----------------------------------------------------
WinApi.DISPLAY_DEVICE ddOne = new WinApi.DISPLAY_DEVICE();
ddOne.cb = Marshal.SizeOf(ddOne);
deviceID = 1;
WinApi.User_32.EnumDisplayDevices(null, deviceID, ref ddOne, 0);
string NewPrimary = devName[1];//ddOne.DeviceName;
//manual gather - OldPrimary name ----------------------------------------------------
WinApi.DISPLAY_DEVICE ddThree = new WinApi.DISPLAY_DEVICE();
ddThree.cb = Marshal.SizeOf(ddThree);
deviceID = 2;
WinApi.User_32.EnumDisplayDevices(null, deviceID, ref ddThree, 0);
string OldPrimary = devName[2];
//ACTION 1 start ----------------------------------------------------------------------------
WinApi.DEVMODE ndm1 = NewDevMode();
WinApi.User_32.EnumDisplaySettings(NewPrimary, (int)WinApi.DEVMODE_SETTINGS.ENUM_REGISTRY_SETTINGS, ref ndm1);
WinApi.DEVMODE ndm3 = NewDevMode();
ndm3.dmFields = WinApi.DEVMODE_Flags.DM_POSITION;
ndm3.dmPosition.x = (int)ndm1.dmPelsWidth;
ndm3.dmPosition.y = 0;
result = (WinApi.DisplaySetting_Results)WinApi.User_32.ChangeDisplaySettingsEx(OldPrimary, ref ndm3, (IntPtr)null, (int)WinApi.DeviceFlags.CDS_UPDATEREGISTRY | (int)WinApi.DeviceFlags.CDS_NORESET, IntPtr.Zero);
Console.Write("Action 1 result:" + result.ToString());
//ACTION 1 end ----------------------------------------------------------------------------
//ACTION 2 start ----------------------------------------------------------------------------
WinApi.DEVMODE ndm2 = NewDevMode();
WinApi.User_32.EnumDisplaySettings(NewPrimary, (int)WinApi.DEVMODE_SETTINGS.ENUM_REGISTRY_SETTINGS, ref ndm2);
WinApi.DEVMODE ndm4 = NewDevMode();
ndm4.dmFields = WinApi.DEVMODE_Flags.DM_POSITION;
ndm4.dmPosition.x = 0;
ndm4.dmPosition.y = 0;
result = (WinApi.DisplaySetting_Results)WinApi.User_32.ChangeDisplaySettingsEx(NewPrimary, ref ndm4, (IntPtr)null, (int)WinApi.DeviceFlags.CDS_SET_PRIMARY | (int)WinApi.DeviceFlags.CDS_UPDATEREGISTRY | (int)WinApi.DeviceFlags.CDS_NORESET, IntPtr.Zero);
Console.Write("Action 2 result:" + result.ToString());
//ACTION 2 end ----------------------------------------------------------------------------
//ACTION 3 start ----------------------------------------------------------------------------
WinApi.DEVMODE ndm5 = NewDevMode();
result = (WinApi.DisplaySetting_Results)WinApi.User_32.ChangeDisplaySettingsEx(OldPrimary, ref ndm5, (IntPtr)null, (int)WinApi.DeviceFlags.CDS_UPDATEREGISTRY, (IntPtr)null);
Console.Write("Action 3.1 result:" + result.ToString());
WinApi.DEVMODE ndm6 = NewDevMode();
result = (WinApi.DisplaySetting_Results)WinApi.User_32.ChangeDisplaySettingsEx(NewPrimary, ref ndm6, (IntPtr)null, (int)WinApi.DeviceFlags.CDS_SET_PRIMARY | (int)WinApi.DeviceFlags.CDS_UPDATEREGISTRY, IntPtr.Zero);
Console.Write("Action 3.2 result:" + result.ToString());
//ACTION 3 end ----------------------------------------------------------------------------
}
else
{
Console.Write("Error, Invailed\n");
return;
}
}