UiMemoryTable

Description

The UiMemoryTable class implements the UiMemoryTable development environment component that is a temporary table with specified fields list stored in PC memory.

Properties inherited from IUiDataSet

  Property name Brief description
Active The Active property determines whether the component is active.
Bof The Bof property returns True if the cursor in the data source is on the first record.
CachedDataset The CachedDataset property returns cache of the data source.
Eof The Eof property returns True if the cursor in the data source is on the last record.
Fields The Fields property returns the table fields collection.
Filter The Filter property determines the data filtering condition.
Filtered The Filtered property determines whether active data set should be filtered.
RecNo The RecNo property determines the number of the current record in the data source.
RecordCount The RecordCount property determines the number of the records in the data source.
State The State property returns the current state of the data source.

Properties inherited from IComponent

  Property name Brief description
ComponentCount The ComponentCount property returns the number of child components located on the parent component.
Components The Components property returns a child component, which index is passed via the input parameter.
Data The Data property is used to store any custom data.
Name The Name property determines the component name.
Tag The Tag property is not used by the compiler. The user can change the value of this property and use it at his discretion.

Methods inherited from IUiDataSet

  Method name Brief description

Append

 The Append method adds an empty record in the beginning of the table.

Cancel

 The Cancel method cancels the changes made to the current record.

Close

 The Close method closes data source.

Delete

 The Delete method deletes the current record.

Edit

 The Edit method switches the current record to the edit mode.

FieldByName

 The FieldByName method searches for a field by name.

First

 The First method places the cursor onto the first record in the data source.

IsEmpty

 The IsEmpty method returns True if the data source is empty.

Last

 The Last method places the cursor onto the last record in the data source.

MoveBy

 The MoveBy method moves the cursor in the data source and returns the number of records, by which the cursor has moved.

Next

 The Next method places the cursor onto the next record in the data source.

Open

 The Open method opens the data source.

Post

 The Post method saves the changes that are made to the current record of the data source.

Prior

 The Prior method places the cursor onto the previous record in the data source.

Refresh

 The Refresh method refreshes the component data.

Truncate

 The Truncate method clears all the records from the data source.

Events inherited from IUiDataSet

  Event name Brief description
OnAfterClose The OnAfterClose event occurs after the data source is closed.
OnAfterOpen The OnAfterOpen event occurs after the data source is opened.
OnAfterScroll The OnAfterScroll event occurs after moving by records in the data source.
OnBeforeClose The OnBeforeClose event occurs before the data source is closed.
OnBeforeOpen The OnBeforeOpen event occurs before the data source is opened.
OnBeforeScroll The OnBeforeScroll event occurs before moving by records in the data source.

See also:

ExtCtrls Assembly Classes