3 writes to IsValid
PresentationCore (3)
System\Windows\Input\Stylus\Pointer\PointerTabletDeviceCollection.cs (3)
84
IsValid
= UnsafeNativeMethods.GetPointerDevices(ref deviceCount, null);
91
IsValid
= UnsafeNativeMethods.GetPointerDevices(ref deviceCount, deviceInfos);
146
IsValid
= false;
4 references to IsValid
PresentationCore (4)
System\Windows\Input\Stylus\Pointer\PointerTabletDeviceCollection.cs (2)
86
if (
IsValid
)
93
if (
IsValid
)
System\Windows\InterOp\HwndPointerInputProvider.cs (2)
343
if (!tablets.
IsValid
)
349
if (!tablets.
IsValid
)