拉下combobpx [英] pull down combobpx
问题描述
大家好:
如何激活空格键以拉下组合框?
例如,一旦标签停在组合框,假设我可以使用dnarrow
或F4下拉组合框来进行选择,但是我想用空格键代替这些2 / b
键,我可以吗那样做吗?
最好的rgds,
Ivan Vong
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Hi All:
How can I activate the spacebar to pull down the combobox?
For instance, once the tab stopped at the combobox, suppose i can use dnarrow
or F4 to pull down the combobox to make selection, but instead of these 2
keys, I want to use spacebar, can I do that?
Best rgds,
Ivan Vong
--
Message posted via http://www.dotnetmonster.com
推荐答案
" Ivan V via DotNetMonster.com" < FO *** @ DotNetMonster.com> schrieb:
"Ivan V via DotNetMonster.com" <fo***@DotNetMonster.com> schrieb:
如何激活空格键以下拉组合框?
How can I activate the spacebar to pull down the combobox?
设置控件''''DroppedDown''属性到''真''。
-
MS Herfried K. Wagner
MVP< URL:http:/ /dotnet.mvps.org/>
VB< URL:http://classicvb.org/petition/>
Set the control''s ''DroppedDown'' property to ''True''.
--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>
In文章< 52 *********** @ DotNetMonster.com>, fo***@DotNetMonster.com
说...
In article <52***********@DotNetMonster.com>, fo***@DotNetMonster.com
says...
大家好:
如何激活空格键以拉下组合框?
>例如,一旦标签停在组合框上,假设我可以使用dnarrow
或F4下拉组合框进行选择,但是我想使用空格键而不是这些2键,可以我这样做?
Hi All:
How can I activate the spacebar to pull down the combobox?
For instance, once the tab stopped at the combobox, suppose i can use dnarrow
or F4 to pull down the combobox to make selection, but instead of these 2
keys, I want to use spacebar, can I do that?
我将继承常规组合框并处理OnKeyDown方法:
公共类MyComboBox
继承组合框
''抽象方法。只需调用基类方法
受保护覆盖Sub RefreshItem(ByVal索引为整数)
MyBase.RefreshItem(index)
End Sub
''抽象方法。只需调用基类方法
Protected Overrides Sub SetItemsCore(ByVal items As
System.Collections.IList)
MyBase.SetItemsCore(items)
结束子
受保护的覆盖Sub OnKeyDown(ByVal e As KeyEventArgs)
如果e.KeyCode = Keys.Space那么
Me.DroppedDown = Not Me.DroppedDown
e.Handled = True
结束如果
End Sub
结束班级
所有这一切都是当按下空格键时,它会将
下拉菜单切换为开启或关闭。
-
Patrick Steele
Microsoft .NET MVP
http://weblogs.asp.net/psteele
我做过尝试,但它不起作用!!!
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消息通过 http://www.dotnetmonster.com
i did try, but it''s not working!!!
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