/// <summary>
/// Wrap the Touch-Base API for the purpose of raising off-primary-monitor touch events
/// </summary>
/// <param name="devNum"></param>
internal TouchBaseAPI(int devNum)
{
if (!APIInitialized)
{
// Init/Open the API
DLL_TBApiInit();
int result = DLL_TBApiOpen();
if (result == 0)
{
throw new Exception("Touch-Base API Initialization failed");
}
APIInitialized = true;
}
// Open device #0
DLL_TBApiGetRelativeDevice(devNum);
// Reset error counts
DLL_TBApiResetErrorCounts();
// Disable MousePort hook (will keep Windows from pulling focus to the touch monitor)
MousePort = false;
// Link the call function back to the delegate pointer
DataRaisedDelegate = this.DataCallback;
// Register the data callback to retrieve pointer x/y and press information
DLL_TBApiRegisterDataCallback(0, 0, 3, DataRaisedDelegate);
}
private static extern int DLL_TBApiUnregisterDataCallback(DataRaisedCallback callback);
private static extern int DLL_TBApiRegisterDataCallback(
int aDeviceHandle,
int aContext, int aTypes,
DataRaisedCallback callback
);
