输入焦点

• The tab order determines which control has focus next when the user presses the tab key
  Tab顺序决定了使用者按tab键时包含输入焦点的下一个控制项。
• Control on the form , is enabled , has input focus , and has text selected before enabling the
  控件）是否已被启用、是否具有输入焦点以及是否选定了文本。
• The control can have the input focus while not displaying any visual cues of having the focus
  。在不显示有焦点的任何可视提示时，控件也可能有输入焦点。
• When the user presses the tab key , the input focus is set to the next control in the tab order
  当用户按下tab键时，输入焦点设置为tab键顺序中的下一个控件。
• Overridden . gets a value indicating whether the control or any of its child windows has input focus
  获取一个值，该值指示控件或其任一子窗口是否具有输入焦点。
• Added : creating a new tab will set focus to address bar automatically thanks an anonymous user
  新增：创建一个新tab时会将输入焦点设到地址栏thanks an anonymous user
• Input focus will remain on the current control until the user changes the data to an appropriate format
  输入焦点将停留在当前控件上，直到用户将数据更改为合适的格式。
• Gets a value indicating whether the control , or one of its child controls , currently has the input focus
  获取一个值，该值指示控件或它的一个子控件当前是否有输入焦点。
• In order for a control to receive input focus , the control must have a handle assigned to it , and the
  为了使控件接收输入焦点，必须为控件分配句柄，并且必须为控件及其所有父控件将
• You can use this property to determine whether a control or any of the controls contained within it has the input focus
  可以使用该属性确定控件或它所包含的任何控件是否有输入焦点。