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当前位置:Delphi园地精选控件表格 → Ehlib v4.2.12
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资源名称:Ehlib v4.2.12
文件类型: RAR
适用版本:
发 布 者: DelphiFans
资源类型: 免费
资源大小: 1.07 MB
资源等级:
整理时间: 2007-08-10 08:43:40
资源网址: http://www.ehlib.com
下载次数: 本 周:1 本月:1 总计:7478
下载链接:
资源简介: The Library contains components and classes for Borland Delphi
versions 5, 6, 7, 8 & 9 , Borland C++ Builder versions 5 & 6,
Borland Developer Studio 2006 and CodeGear Delphi 2007.

Version 4.2

 In DBGridEh
  + Added IndicatorTitle property of TDBGridEhIndicatorTitle type:
  The Upper left cell can react as button, draw the badge-triangle,
  and display the dropdown menu on mouse clickling ( with possibility of
  drawing global menu, which adjust using global property -
  DBGridEhCenter.IndicatorTitleMenus and IndicatorTitleMenus.OnBuildIndicatorTitleMenu).

  IndicatorTitle property has a next subprotperty:
   DropdownMenu: TPopupMenu - The Local dropdown menu, appearing when you
    press the upper left cell of the grid.
   ShowDropDownSign: Boolean - Specifies whether to draw the badge-triangle.
    You can set this property to show that the pressing on upper-left cell
    will show the droped down menu.
   TitleButton: Boolean - Specifies whether the upper left cell will act as button.
    Besides the DropdownMenu will be droped down only when TitleButton = True.
   UseGlobalMenu: Boolean - Specifies whether the global
    DBGridEhCenter.IndicatorTitleMenus property will be use when building menu.

  Added OnIndicatorTitleMouseDown event. Occurs when the mouse click on the
   upper left cell of grid. The Cell must be adjusted in state of working as buttons
   (IndicatorTitle.TitleButton = True). You can call DefaultIndicatorTitleMouseDown
   method in this event to pass control to a global object - DBGridEhCenter.

  Added OnBuildIndicatorTitleMenu event. Occurs when need to build list of menus
   before menu is shown. You can call DefaultBuildIndicatorTitleMenu method
   in this event to pass control to a global object - DBGridEhCenter.

  Added OnCellMouseClick event. Occurs when mouse click in any cell of grid.
   Event pass coordinates of the cell and offset of the mouse for upper
   left corner of the cell. You can call DefaultCellMouseClick method
   in this event to pass control to a global object - DBGridEhCenter.


 + In module DBGridEh.Pas appeared the new global object DBGridEhCenter of
   TDBGridEhCenter type. This object is intended to manage a behaviour of all
   objects of TCustomGridEh type or inherited from it. For instance, in
   DBGridEhCenter you can specify the list a menu to be appearing in the
   drop-down menu of the all grids when clicking on top left grid cell.
   Besides, you may write the event of this global object and it will be
   caused at activations of the similar event in any grid of the project.

   Global object - DBGridEhCenter has a following properties and events:
    IndicatorTitleMenus: Is the list of menu, which will be formed when
     clicking on upper left cell of grid is occured. This property of the
     global object will work for all grids, which IndicatorTitle.TitleButton = True.
     (itmVisibleColumnsEh, itmCut, itmCopy, itmPaste, itmDelete, itmSelectAll).
    OnBuildIndicatorTitleMenu: Occurs when need to build list of menus before
     menu is shown.
    OnCellMouseClick: Occurs when mouse click in any cell of grid.
    OnIndicatorTitleMouseDown: Occurs when mouse click upper left cell of grid.

 + Added global variable - DBGridEhCenter. This variable controls the part of
   behaviour of the grids. You can set properties, or events of this variable to
   change the behaviour of all grids.

 Changes in the other objects and procedures.
 * The Corrections in ADODataDriverEh, SelectCommand, UpdateCommand... properties
   now have a TADOCommandEh type.
 * All dfm files stores data in the text type.
 * Fixed drawing lines in the gride when TColumnEh.HideDuplicated = True.
 * Fixed memory leaks in the search box TDBGridEhFindDlg.
 * Fixed error in the search dialogue, when invisible columns is present.
 * Added support ftWideMemo.
 * Fixed error of the recirculation in TPrintDBGridEh component when printing
  the rows with height above of the page height.
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