14 references to IsNull
PresentationFramework (14)
src\Framework\MS\Internal\Text\DynamicPropertyReader.cs (1)
261
Debug.Assert(!position.
IsNull
);
src\Framework\MS\Internal\Text\TextProperties.cs (1)
160
if (!position.
IsNull
)
src\Framework\System\Windows\Documents\DocumentSequenceTextContainer.cs (1)
1035
if (!textPosition.
IsNull
)
src\Framework\System\Windows\Documents\FixedDocument.cs (3)
1121
if (highlightTransitionPosition.
IsNull
)
1148
Debug.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
1164
Debug.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
src\Framework\System\Windows\Documents\Highlights.cs (5)
138
if (!changePosition.
IsNull
)
140
if (closestChangePosition.
IsNull
)
197
if (changePosition.
IsNull
||
365
if (highlightTransitionPosition.
IsNull
)
371
Invariant.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
src\Framework\System\Windows\Documents\Speller.cs (2)
262
while (!pointer.
IsNull
)
1415
if (!nextErrorTransition.
IsNull
)
src\Framework\System\Windows\Documents\SpellerStatusTable.cs (1)
237
Invariant.Assert(transitionPosition.
IsNull
|| textPosition.CompareTo(transitionPosition) != 0);