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NextGrid & NextDBGrid

• Html Column Tutorial
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• NextGrid How To
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• InputLine Tutorial
• NextGrid Slide Style Tutorial
• Using Editors in runtime
• FieldChooser Tutorial
• Grid Report Tutorial

NextGrid

• TreeColumn Tutorial
• NextGrid Quick Start
• Custom Draw in NextGrid
• Export to XML from NextGrid
• Optimize NextGrid
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• VirtualColumn Tutorial
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NextDBGrid

• NextDBGrid Quick Start
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• Sorting records in NextDBGrid
• LookupColumn Tutorial

NextInspector

• ToolbarItem tutorial
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• Map VCL property to item
• NextInspector Quick Start

NextSheet

• NextSheet Sample Project
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• Formating in NextSheet
• NextSheet Print Method

NextCollection

• NxAlertWindow Tutorial
• NxInfoPanel Tutorial
• Vista Styled Panels
• NxPathControl and NxNotebook tutorial
• NxPathControl Quick Start
• NxFlipPanel and NxHeaderPanel Quick Start
• NxOutlookBar Tutorial
• NxPageControl and NxNotebook Quick Start
• NxButton Tutorial

Misc

• Component Names Change
• NxComboBox styles
• Numeric FormatMask
• NxVirtualDataSet tutorial
• DateTime FormatMask
• NxPreview Quick Start
• Quick update
• 32bit Bitmaps Tutorial
• Enable typing unicode characters in InplaceEditors
• Using NxColorScheme
• NxProgress Tutorial
• NxAutoCompletion Tutorial

Labs

• NxReport Project

NextGrid .NET

• Working with tree
• Custom Drawing in NextGrid dot NET
• NextGrid Dot Net
• NextGrid Dot Net Events
• NextGrid dot NET Quick Start

Related Articles:

NxComboBox has three new styles placed inside DisplayMode property called dmNameList, dmValueList and dmIdentList.

These three new styles do not allow editing of the text just like the dsDropDownList style.

What makes them different from the dsDropDownList style is that they use the Name=Value feature of TStrings.

Example:

clBlue=Blue
clGreen=Green
clYellow=Yellow

Both dmNameList and dmValueList are ment to implement lookup functionality with an NxComboBox.

Table 1: DisplayMode property

Name	Meaning
dmNameList	Displays the Names array of Items property.
dmValueList	Displays the Values array of the Items property.

Both these lists styles let you retrieve the Name and Value of the chosen item through two new properties called ItemName and ItemValue.



Figure 1: Example of the dmNameList style.



Figure 2: Example of the dmValueList style.

The last new NxComboBox style called dmIdentList expects a numericall Name part of the Name=Value pairs and uses the Name part as Ident level for the NxComboBox Items. The result is that a simple tree-like structure is shown in the DropDownList.

The ItemName returns the IdentLevel of the chosen item and ItemValue returns the chosen item without leading spaces.



Figure 3: Example of the dmIdentList.

Notes:

1. The ItemValue and ItemName are undefined for the dsDropDown and dsDropDownList styles.
2. The results are also undefined for duplicate names just like the behaviour of the TString implementation.