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Delphi7数据处理利器:EhLib4.2.16财务表格控件解析

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从提供的文件信息中,我们可以提取出以下知识点: ### 标题知识点:ehlib4.2.16 FOR Delphi7 **EhLib4.2.16** 是一个专门为 **Delphi7** 开发的组件库,它提供了大量增强的数据处理功能。这个控件库特别适合于需要中式财务栏表格式录入的应用程序。它支持多种数据操作,如列宽自定义、数据筛选、分组统计以及数据图形分析等。 1. **数据表控件**:EhLib4.2.16 提供了一系列的控件,用于在 Delphi7 环境下创建和管理数据表格。 2. **中式财务栏表格式**:它支持中式财务栏的录入格式,这可能意味着它能够更好地适应本地化需求,如符合中国财务记账习惯的表格样式。 3. **运行时设置保存**:用户可以自定义列的显示、列名以及列宽,并且这些设置会被保存起来。这意味着当应用程序下次启动时,这些定制的格式会自动被应用,从而提高用户的操作效率。 ### 描述知识点:delphi数据表控件,中式财务栏表格式录入 **Delphi数据表控件**: 1. **运行时可定制**:用户可以动态地在应用程序运行时设定哪些列需要显示、列名的自定义以及列宽的调整。 2. **万能数据筛选**:支持在运行时根据多个条件自定义筛选数据。这种灵活性可以帮助用户根据不同的业务需求来筛选出需要的数据。 3. **数据分组统计**:根据用户选择的条件,能够进行数据分组和统计,便于进行二次数据挖掘。 4. **导出功能**:提供数据导出到 EXCEL、文本文件、网页等多种格式的能力。 5. **数据图形分析**:支持柱形图、饼图等多种类型的三维立体数据图形分析,帮助用户直观地理解和分析数据。 **中式财务栏表格式录入**: - 支持符合中国财务标准的表格录入,这一点对于需要处理中式财务数据的应用程序尤为重要。这种格式可能包括了预设的会计科目、凭证格式等,能够帮助财务人员更高效地完成录入工作。 ### 标签知识点:delphi,控件 标签中提到了两个关键的关键词:“Delphi”和“控件”。 1. **Delphi**:是一种快速应用程序开发(RAD)工具,主要用于开发Windows平台的应用程序。Delphi使用基于组件的开发模型和拥有自己的编程语言——Object Pascal。 2. **控件**:在Delphi和其它编程框架中,控件是构建用户界面的基本组件。它们可以被用来创建按钮、文本框、列表框等用户交互元素。EhLib4.2.16 FOR Delphi7提供的一系列控件扩展了Delphi的标准组件库,添加了专门针对数据处理和财务功能的控件。 ### 压缩包子文件的文件名称列表知识点: 文件列表中包含了几个关键文件,它们通常是安装包或更新包的一部分: - **netrobo_EhLib_v4.2.16_CN.gif**:可能是一个与EhLib4.2.16相关的图片文件,用于展示组件的界面或功能。 - **2ccc.com.nfo**:NFO文件通常包含了软件信息,如版本号、注册信息、安装说明等。 - **EhLib 4.2.16 Readme.txt**:这是一个说明文件,通常用于描述软件包的更新内容、安装要求、已知问题和解决方案等。 - **EhLib 4.2.16 Change Log.txt**:变更日志文件,记录了软件各个版本之间的变动内容,对于开发者和用户了解软件的最新功能和修复的情况很有帮助。 - **Changed Files**:这个文件可能是一个记录了软件更新中所有变更文件的清单。 - **EhLib 4.2.16 Install**:这个文件很可能是一个安装程序,用于在用户的计算机上安装或更新EhLib4.2.16 FOR Delphi7。 通过综合以上文件信息和描述,可以看出ehlib4.2.16 FOR Delphi7是一个功能强大的数据处理控件库,它针对Delphi7开发,特别增强了中式财务栏的录入和数据处理功能,并提供了丰富的用户界面定制和数据交互工具。它对于财务、库存管理以及任何需要复杂数据处理的应用程序都是一种重要的工具。

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+ A new property SelectionDrawParams: TGridSelectionDrawParamsEh SelectionDrawParams property is added in DBGridEh and DBVertGridEh component, which allows you to customize the style of the currently selected cell. The property has the following sub-properties: SelectionStyle: TGridSelectionDrawStyleEh - paint style of the currently selected cell DrawFocusFrame: Boolean - Specifies whether to draw a dotted border around the currently selected cell. TGridSelectionStyleEh type contains the following values: gsdsDefaultEh - The default style is determined depending on the version of the OS and included Windows schemas and Delphi schemas.If Windows schemes is on the gssListViewThemedEh is used. If the active style of Delphi XE is on the GridThemed style is used. gsdsClassicEh - Classic style. The cell is painted by uniform clSelected color. gsdsGridThemedEh - The Delphi XE style is used to draw a celeced cell. gsdsListViewThemedEh - Windows ListView style is to draw a celeced cell. For a global management of style use the properties of the global object GridDrawStyle of TGridDrawStyleEh type. Use the procedure GridDefaultDrawStyleEh, SetGridDefaultDrawStyleEh, declared in a module GridsEh.pas to access GridDrawStyle the object. TGridDrawStyleEh type has the following properties: SelectionStyle: TGridSelectionStyleEh - style shading display the currently selected cell. DrawFocusFrame: Boolean - Specifies whether to draw a dotted border around the currently selected cell. To change the style of lighting in all grids of project, use code like this: unit MyMainForm; uses ... GridsEh; .... initialization GridDefaultDrawStyleEh.SelectionStyle := gsdsClassicEh; //Draw selected cell by the classic style. end. Setting Lookup relationships directly in the columns of the grid without using of lookup fields. + A new property - Column.LookupParams: TDBLookupDataEh in columns of DBGridEh and DBVertGridEh. The property allows you to setup lookup relationship in the grid columns. The property consists of the following sub-properties: KeyFieldNames: String - Identifies the field or fields in the dataset that must be matched in a lookup dataset when doing a lookup. LookupCache: Boolean - Determines whether the values of a lookup field are cached or looked up dynamically every time the current record in the dataset changes. LookupDataSet: TDataSet - Identifies the dataset used to look up field values. LookupDisplayFieldName: String - Identifies the field from the lookup dataset whose value is displayed in place of KeyFields. LookupKeyFieldNames: String - Identifies the field or fields in the lookup dataset to match when doing a lookup. Other features of this version + New property - TBaseColumnEh.CaseInsensitiveTextSearch: Boolean default True. Defines CaseInsensitive search in a text editor for the dropdownbox items. The property as added in columns of DBGridEh, DBVertGridEh and in TDBComboboxEh TDBLookupcomboboxEh controls. + LimitTextToListValues property of Boolean type. Defines to limit of values in the edit box by the list of values in the dropdownbox. The property as added in columns of DBGridEh DBVertGridEh and in TDBComboboxEh control. + In DBGridEh. At Design-Time it is allowed select DataSet from the list of Favorite DataSets DataSet is created via the Grid Design Panel. + In the Filter Drop-down lists of the DBGridEh it is allowed to selected several values quickly by pressing and dragging the pressed mouse. + In DBGridEh. If gioShowRowselCheckboxesEh value is in the DBGridEh.IndicatorOptions property then it is allowed to selected several records quickly by pressing and dragging the pressed mouse. + In DBGridEh.Pas A new property ColWidthsOptimizationMaxWaitingTime is added in the global class TDBGridEhCenter. This property can be assigned by a maximum time, which will be used to calculate the widths of the columns when the user double click on the line that separates columns. If the time of calculation of column widths is exceeded the value that was set in ColWidthsOptimizationMaxWaitingTime then grid cancels a calculation of the remaining records. The default value is 2000 (2 seconds). + New property ShowImageAndText is added in the TColumnTitleEh class. If ShowImageAndText = True and the title of the grid is set to display images from TitleParams.Images, then the text of the column header will be displayed along with the picture. If ShowImageAndText = False, it will only display the picture without the text. + New methods GetColCellParams GetTitleParams RowDetailPanelShow and RowDetailPanelHide are added in the global class TDBGridEhCenter, This mathods are virtual methods so you can override them in new derived class TMyDBGridEhCenter and control corresponding events for all Grids of the project. (DBVertGridsEh.pas) + A new property OptionsEh of TDBVHGridOptionsEh type is added in the TDBVertGridEh component. TDBVHGridOptionsEh type contains the following values: dgvhHighlightFocusEh - Highlight the current cell when the grid has focus. dgvhClearSelectionEh - Clear a selected area when a user navigates the current cell in the grid. dgvhEnterToNextRowEh - Move the current cell to the next row in a grid when user presses an Enter key. dgvhTabToNextRowEh - Move the current cell to the next row in a grid when user presses an Tab key. dgvhRowsIsTabControlsEh - Rows in the grid are operated as a list of edit controls. ie : - Does not allow to leave the current record of DataSet with keyboard keys. - When the current cell in the grid is on the last line, the Tab key on the grid translates the input focus to the next TabStop Control of a Form (dgvhTabToNextRowEh property must be included). - When the current cell in the grid is on the first line , then by Alt+Tab key in the Grid will put focus to the previous TabStop Control of a Form (dgvhTabToNextRowEh property must be included). + TDBVertGridEh allows to select lines and rectangular region of cells with mouse or keyboard and supports ClipBoard operations. + A new property - AllowedSelections of TDBVertGridAllowedSelectionsEh. Specifies the permitted types of selections in the grid. vgstRowsEh - Allows to select lines in the grid with the mouse or with the keyboard. vgstRectangleEh - Allows the select square area in the grid with the mouse or with the keyboard. vgstAllEh - Allows to the select all the data in the grid by a Ctrl+A key combination. + A new property - EditActions of TGridEditActionsEh type. Defines the permitted operations with the selected area. geaCutEh, geaCopyEh, geaPasteEh, geaDeleteEh, geaSelectAllEh. + New Property - Selection of TDBVertGridSelectionEh type. The property contains information about the selected area in the Grid. + Added TDBVertGridEh.OnRowCategoriesNodeExpanded and TDBVertGridEh.OnRowCategoriesNodeCollapsed events. (DataDriverEh.pas) * Changes: Published parameter - TConnectionProviderEh.OnGetServerSpecOperations: TResolverGetServerSpecOperationsEh was changed. Old declaration: TResolverGetServerSpecOperationsEh = function (var Processed: Boolean): TServerSpecOperationsEh of object; New declaration: TResolverGetServerSpecOperationsEh = procedure (var Processed: Boolean; var ServerSpecOperations: TServerSpecOperationsEh) of object; Announcement via function caused an inexplicable error in compile-time in C++ Builder. (DBCtrlsEh.pas) + New events (OnCloseDropDownForm OnOpenDropDownForm) are added in TDBEditEh, TDBDateTimeEditEh, TDBComboBoxEh controls.