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456390b7
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HandyControl
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HandyControl
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体验新版 GitCode,发现更多精彩内容 >>
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456390b7
编写于
1月 07, 2023
作者:
N
NaBian
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电子邮件补丁
差异文件
enhance: add ListBoxAttach.
上级
3455fb79
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
67 addition
and
0 deletion
+67
-0
src/Shared/HandyControl_Shared/Controls/Attach/ListBoxAttach.cs
...ared/HandyControl_Shared/Controls/Attach/ListBoxAttach.cs
+66
-0
src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
+1
-0
未找到文件。
src/Shared/HandyControl_Shared/Controls/Attach/ListBoxAttach.cs
0 → 100644
浏览文件 @
456390b7
using
System.Collections
;
using
System.Linq
;
using
System.Windows
;
using
System.Windows.Controls
;
using
HandyControl.Data
;
namespace
HandyControl.Controls
;
public
class
ListBoxAttach
{
public
static
readonly
DependencyProperty
SelectedItemsProperty
=
DependencyProperty
.
RegisterAttached
(
"SelectedItems"
,
typeof
(
IList
),
typeof
(
ListBoxAttach
),
new
FrameworkPropertyMetadata
(
default
(
IList
),
FrameworkPropertyMetadataOptions
.
BindsTwoWayByDefault
,
OnSelectedItemsChanged
));
public
static
void
SetSelectedItems
(
DependencyObject
element
,
IList
value
)
=>
element
.
SetValue
(
SelectedItemsProperty
,
value
);
public
static
IList
GetSelectedItems
(
DependencyObject
element
)
=>
(
IList
)
element
.
GetValue
(
SelectedItemsProperty
);
internal
static
readonly
DependencyProperty
InternalActionProperty
=
DependencyProperty
.
RegisterAttached
(
"InternalAction"
,
typeof
(
bool
),
typeof
(
ListBoxAttach
),
new
PropertyMetadata
(
ValueBoxes
.
FalseBox
));
internal
static
void
SetInternalAction
(
DependencyObject
element
,
bool
value
)
=>
element
.
SetValue
(
InternalActionProperty
,
ValueBoxes
.
BooleanBox
(
value
));
internal
static
bool
GetInternalAction
(
DependencyObject
element
)
=>
(
bool
)
element
.
GetValue
(
InternalActionProperty
);
private
static
void
OnSelectedItemsChanged
(
DependencyObject
d
,
DependencyPropertyChangedEventArgs
e
)
{
if
(
d
is
not
ListBox
listBox
)
{
return
;
}
if
(
GetInternalAction
(
listBox
))
{
return
;
}
listBox
.
SelectionChanged
-=
OnListBoxSelectionChanged
;
listBox
.
SelectedItems
.
Clear
();
if
(
e
.
NewValue
is
IList
selectedItems
)
{
foreach
(
object
selectedItem
in
selectedItems
)
{
listBox
.
SelectedItems
.
Add
(
selectedItem
);
}
}
listBox
.
SelectionChanged
+=
OnListBoxSelectionChanged
;
}
private
static
void
OnListBoxSelectionChanged
(
object
sender
,
SelectionChangedEventArgs
e
)
{
if
(
sender
is
ListBox
listBox
)
{
SetInternalAction
(
listBox
,
true
);
SetSelectedItems
(
listBox
,
listBox
.
SelectedItems
.
Cast
<
object
>().
ToArray
());
SetInternalAction
(
listBox
,
false
);
}
}
}
src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
浏览文件 @
456390b7
...
...
@@ -21,6 +21,7 @@
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\IconSwitchElement.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\ImageAttach.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\InfoElement.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\ListBoxAttach.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\MenuAttach.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\MenuTopLineAttach.cs"
/>
<Compile
Include=
"$(MSBuildThisFileDirectory)Controls\Attach\PanelElement.cs"
/>
...
...
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