public static void TestCCDExampleCode(CCD.QueryDisplayFlags queryDisplayFlags)
{
int resultCode;
int numPathArrayElements;
int numModeInfoArrayElements;
// Get buffer size required to enumerate all valid paths.
resultCode = CCD.GetDisplayConfigBufferSizes(queryDisplayFlags, out numPathArrayElements, out numModeInfoArrayElements);
Win32Utilities.ThrowIfResultCodeNotSuccess(resultCode);
CCD.DisplayConfigPathInfo[] pathInfoArray = new CCD.DisplayConfigPathInfo[numPathArrayElements];
CCD.DisplayConfigModeInfo[] modeInfoArray = new CCD.DisplayConfigModeInfo[numModeInfoArrayElements];
resultCode = CCD.QueryDisplayConfig(
queryDisplayFlags,
ref numPathArrayElements,
pathInfoArray,
ref numModeInfoArrayElements,
modeInfoArray,
IntPtr.Zero);
Win32Utilities.ThrowIfResultCodeNotSuccess(resultCode);
foreach (CCD.DisplayConfigPathInfo configPathInfo in pathInfoArray)
{
ConsoleOutputUtilities.WriteDisplayConfigPathInfoToConsole(configPathInfo);
Console.WriteLine();
}
foreach (CCD.DisplayConfigModeInfo configModeInfo in modeInfoArray)
{
ConsoleOutputUtilities.WriteDisplayConfigModeInfoToConsole(configModeInfo);
Console.WriteLine();
}
// Find and store the primary path based by looking for an active path that is located at desktop position
// 0,0
CCD.DisplayConfigPathInfo primaryPath = new CCD.DisplayConfigPathInfo();
bool primaryPathFound = false;
foreach (CCD.DisplayConfigPathInfo configPathInfo in pathInfoArray)
{
if ((configPathInfo.flags & (uint)CCD.DisplayConfigFlags.PathActive) > 0)
{
if (configPathInfo.sourceInfo.modeInfoIdx > modeInfoArray.Length - 1)
{
throw new Exception("Config Path Info Source Mode Info Index is out of range.");
}
CCD.DisplayConfigModeInfo modeInfo = modeInfoArray[configPathInfo.sourceInfo.modeInfoIdx];
if (modeInfo.infoType == CCD.DisplayConfigModeInfoType.Source &&
modeInfo.sourceMode.position.x == 0 &&
modeInfo.sourceMode.position.y == 0)
{
// Bingo
primaryPath = configPathInfo;
primaryPathFound = true;
break;
}
}
}
if (!primaryPathFound)
{
throw new Exception("Failed to find primary display path!");
}
CCD.DisplayConfigTargetDeviceName dcTargetDeviceName = new CCD.DisplayConfigTargetDeviceName();
dcTargetDeviceName.header.type = CCD.DisplayConfigDeviceInfoType.GetTargetName;
dcTargetDeviceName.header.size = (uint)Marshal.SizeOf(dcTargetDeviceName);
dcTargetDeviceName.header.adapterId = primaryPath.targetInfo.adapterId;
dcTargetDeviceName.header.id = primaryPath.targetInfo.id;
resultCode = CCD.DisplayConfigGetDeviceInfo(ref dcTargetDeviceName);
Win32Utilities.ThrowIfResultCodeNotSuccess(resultCode);
ConsoleOutputUtilities.WriteDisplayConfigTargetDeviceNameToConsole(dcTargetDeviceName);
Console.WriteLine();
CCD.DisplayConfigSourceDeviceName dcSourceDeviceName = new CCD.DisplayConfigSourceDeviceName();
dcSourceDeviceName.header.type = CCD.DisplayConfigDeviceInfoType.GetSourceName;
dcSourceDeviceName.header.size = (uint)Marshal.SizeOf(dcSourceDeviceName);
dcSourceDeviceName.header.adapterId = primaryPath.sourceInfo.adapterId;
dcSourceDeviceName.header.id = primaryPath.sourceInfo.id;
resultCode = CCD.DisplayConfigGetDeviceInfo(ref dcSourceDeviceName);
Win32Utilities.ThrowIfResultCodeNotSuccess(resultCode);
ConsoleOutputUtilities.WriteDisplayConfigSourceDeviceNameToConsole(dcSourceDeviceName);
CCD.DisplayConfigAdapterName dcAdapterName = new CCD.DisplayConfigAdapterName();
dcAdapterName.header.type = CCD.DisplayConfigDeviceInfoType.GetAdapterName;
dcAdapterName.header.size = (uint)Marshal.SizeOf(dcAdapterName);
dcAdapterName.header.adapterId = primaryPath.sourceInfo.adapterId;
Win32Utilities.ThrowIfResultCodeNotSuccess(
CCD.DisplayConfigGetDeviceInfo(ref dcAdapterName));
ConsoleOutputUtilities.WriteDisplayConfigAdapterNameToConsole(dcAdapterName);
CCD.DisplayConfigTargetPreferredMode dcTargetPreferredMode = new CCD.DisplayConfigTargetPreferredMode();
dcTargetPreferredMode.header.type = CCD.DisplayConfigDeviceInfoType.GetTargetPreferredMode;
dcTargetPreferredMode.header.size = (uint)Marshal.SizeOf(dcTargetPreferredMode);
dcTargetPreferredMode.header.adapterId = primaryPath.targetInfo.adapterId;
dcTargetPreferredMode.header.id = primaryPath.targetInfo.id;
Win32Utilities.ThrowIfResultCodeNotSuccess(CCD.DisplayConfigGetDeviceInfo(ref dcTargetPreferredMode));
}
static public void WriteDisplayConfigSourceDeviceNameToConsole(CCD.DisplayConfigSourceDeviceName sourceDeviceName)
{
WriteDisplayConfigDeviceInfoHeader(sourceDeviceName.header);
Console.WriteLine("GDI Device Name: " + sourceDeviceName.viewGdiDeviceName);
}
