16 references to IsNull
PresentationFramework (16)
MS\Internal\Text\DynamicPropertyReader.cs (1)
252
Debug.Assert(!position.
IsNull
);
MS\Internal\Text\TextProperties.cs (1)
155
if (!position.
IsNull
)
System\Windows\Documents\DocumentSequenceTextContainer.cs (3)
674
if (highlightTransitionPosition.
IsNull
)
684
Invariant.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
1019
if (!textPosition.
IsNull
)
System\Windows\Documents\FixedDocument.cs (3)
1074
if (highlightTransitionPosition.
IsNull
)
1101
Debug.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
1117
Debug.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
System\Windows\Documents\Highlights.cs (5)
131
if (!changePosition.
IsNull
)
133
if (closestChangePosition.
IsNull
)
190
if (changePosition.
IsNull
||
358
if (highlightTransitionPosition.
IsNull
)
364
Invariant.Assert(!highlightTransitionPosition.
IsNull
, "Highlight start not followed by highlight end!");
System\Windows\Documents\Speller.cs (2)
234
while (!pointer.
IsNull
)
1331
if (!nextErrorTransition.
IsNull
)
System\Windows\Documents\SpellerStatusTable.cs (1)
235
Invariant.Assert(transitionPosition.
IsNull
|| textPosition.CompareTo(transitionPosition) != 0);