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体验新版 GitCode,发现更多精彩内容 >>
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c45f95d6
编写于
10月 11, 2016
作者:
C
CyrusNajmabadi
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差异文件
Be resilient to being called while the text view is being initialized.
上级
672f22f6
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
15 addition
and
1 deletion
+15
-1
src/EditorFeatures/Core/Implementation/Classification/SemanticClassificationUtilities.cs
...ntation/Classification/SemanticClassificationUtilities.cs
+2
-1
src/EditorFeatures/Core/Shared/Extensions/ITextViewExtensions.cs
...torFeatures/Core/Shared/Extensions/ITextViewExtensions.cs
+13
-0
未找到文件。
src/EditorFeatures/Core/Implementation/Classification/SemanticClassificationUtilities.cs
浏览文件 @
c45f95d6
...
...
@@ -106,7 +106,8 @@ internal static class SemanticClassificationUtilities
return
true
;
}
private
static
async
Task
ClassifySpansAsync
(
TaggerContext
<
IClassificationTag
>
context
,
DocumentSnapshotSpan
spanToTag
,
private
static
async
Task
ClassifySpansAsync
(
TaggerContext
<
IClassificationTag
>
context
,
DocumentSnapshotSpan
spanToTag
,
IEditorClassificationService
classificationService
,
ClassificationTypeMap
typeMap
)
{
try
...
...
src/EditorFeatures/Core/Shared/Extensions/ITextViewExtensions.cs
浏览文件 @
c45f95d6
...
...
@@ -326,6 +326,12 @@ public static bool TryMoveCaretToAndEnsureVisible(this ITextView textView, Virtu
/// </summary>
public
static
SnapshotSpan
?
GetVisibleLinesSpan
(
this
ITextView
textView
,
ITextBuffer
subjectBuffer
,
int
extraLines
=
0
)
{
// No point in continuing if the text view has been closed.
if
(
textView
.
IsClosed
)
{
return
null
;
}
// If we're being called while the textview is actually in the middle of a layout, then
// we can't proceed. Much of the text view state is unsafe to access (and will throw).
if
(
textView
.
InLayout
)
...
...
@@ -333,6 +339,13 @@ public static bool TryMoveCaretToAndEnsureVisible(this ITextView textView, Virtu
return
null
;
}
// During text view initialization the TextViewLines may be null. In that case we can't
// get an appropriate visisble span.
if
(
textView
.
TextViewLines
==
null
)
{
return
null
;
}
// Determine the range of text that is visible in the view. Then map this down to the
// bufffer passed in. From that, determine the start/end line for the buffer that is in
// view.
...
...
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