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TcxEditRepositoryMRUItem Class

Declaration

TcxEditRepositoryMRUItem = class(
    TcxEditRepositoryItem
)

Remarks

A most recently used item editor (MRU editor) is a single-line text editor that can display a list of recent entries in a drop-down window.

VCL Editors Library: An MRU Editor Example

The TcxEditRepositoryMRUItem class overrides the Properties property that allows you to access and customize MRU editor settings.

Edit Repository Items and Standalone Editors

Edit repository items are useful when you need to share the same settings between multiple editors of the same type. To accomplish this goal, you can assign the same edit repository item to RepositoryItem properties of all target editors.

Edit Repository Items and Container Controls

A container control item (such as a toolbar edit item or a column (or any other data item) in a Data Grid, Vertical Grid, or Tree List control) can embed an in-place editor shipped with the ExpressEditors Library. An in-place editor exists (and, therefore, has its own WinAPI handle) only when the target container control item is being edited. Otherwise, the container control item displays a static editor image for resource usage optimization.

VCL Tree List: An In-Place Date Editor

Create an MRU Editor Repository Item at Design Time

To create an MRU editor repository item at design time, double-click a TcxEditRepository component to invoke its collection editor.

VCL Editors Library: An Edit Repository Collection Editor

The collection editor dialog allows you to manage repository items. Click the Add… button to invoke a repository item creation dialog.

VCL Editors Library: An Edit Repository Item Creation Dialog

Select the MRUEdit item and click the Ok button to create an MRU editor repository item.

Create an MRU Editor Repository Item in Code

The following code example creates an MRU editor repository item, customizes editor settings, and assigns the created repository item to two existing unbound MRU editors:

uses cxEdit, cxEditRepositoryItems;
// ...
var
  AMRUEditRepositoryItem: TcxEditRepositoryMRUItem;
  ARepositoryItem: TcxEditRepositoryItem;
begin
  ARepositoryItem := cxEditRepository1.CreateItem(TcxEditRepositoryMRUItem);
  AMRUEditRepositoryItem := ARepositoryItem as TcxEditRepositoryMRUItem;
  AMRUEditRepositoryItem.Properties.MaxItemCount := 5; // Limits the displayed MRU list
  AMRUEditRepositoryItem.Properties.ShowEllipsis := False; // Hides the ellipsis button
  // Assigns the created repository item to two existing unbound MRU editors
  cxMRUEdit1.RepositoryItem := AMRUEditRepositoryItem;
  cxMRUEdit2.RepositoryItem := AMRUEditRepositoryItem;
end;

MRU Editor Repository Item Deletion

To delete all MRU editor repository items in a TcxEditRepository component, call its RemoveItems procedure and pass a reference to the TcxEditRepositoryMRUItem class as a parameter.

If you need to delete an individual MRU editor repository item, release it directly in code (call the Free procedure in Delphi or use the delete keyword in C++Builder).

Inheritance

See Also