3 writes to IsValid
PresentationCore (3)
System\Windows\Input\Stylus\Pointer\PointerTabletDeviceCollection.cs (3)
85IsValid = UnsafeNativeMethods.GetPointerDevices(ref deviceCount, null); 92IsValid = UnsafeNativeMethods.GetPointerDevices(ref deviceCount, deviceInfos); 147IsValid = false;
4 references to IsValid
PresentationCore (4)
System\Windows\Input\Stylus\Pointer\PointerTabletDeviceCollection.cs (2)
87if (IsValid) 94if (IsValid)
System\Windows\InterOp\HwndPointerInputProvider.cs (2)
344if (!tablets.IsValid) 350if (!tablets.IsValid)