Class TUndoChangeDataSets

Properties

Unit

type TUndoChangeDataSets = class(TCustomUndo)

TUndoChangeDataSets is used to add, delete, and change the properties of TDataArrays.

	`FDeletedDataSets: TList;`
	`FNewDataSets: TList;`
	`FOldDataSetProperties: TList;`
	`FNewDataSetProperties: TList;`

	`procedure StoreData;`
	`procedure ClearExpressionsAndVariables;`
	`procedure SetProperties(AddedDataSets, DeletedDataSets, DataSetProperties: TList);`
	`function Description: string; override;`
	`Constructor Create;`
	`function DataSetsChanged: boolean;`
	`Destructor Destroy; override;`
	`procedure DoCommand; override;`
	`procedure Undo; override;`

	`FDeletedDataSets: TList;`
`FDeletedDataSets` contains the TDataArrays to be deleted.

	`FNewDataSets: TList;`
`FNewDataSets` contains the TDataArrays to be addead.

	`FOldDataSetProperties: TList;`
`FOldDataSetProperties` is implemented as a TObjectList. It is used to store a series of instances of TPhastDataSetStorage for old properties of TDataArrays or TCustomPhastDataSets.

	`FNewDataSetProperties: TList;`
`FNewDataSetProperties` is implemented as a TObjectList. It is used to store a series of instances of TPhastDataSetStorage for new properties of TDataArrays or TCustomPhastDataSets.

	`procedure StoreData;`
`StoreData` stores the current state of frmGoPhast.Model.DataSets and the new values to be assigned.

	`procedure ClearExpressionsAndVariables;`
`ClearExpressionsAndVariables` clears expressions and variables in frmGoPhast.

procedure SetProperties(AddedDataSets, DeletedDataSets, DataSetProperties: TList);

SetProperties sets the properties of the TDataArrays.

AddedDataSets: the new data sets that have been created.
DeletedDataSets: the existing data sets that have been deleted.
DataSetProperties: stores a series of TPhastDataSetStorage that store the properties of the TDataArrays.

	`function Description: string; override;`
`Description` describes what `TUndoChangeDataSets` does.

	`Constructor Create;`
`Create` creates and instance of `TUndoChangeDataSets`

	`function DataSetsChanged: boolean;`
`DataSetsChanged` returns `True` if any of the TDataArrays has changed;

	`Destructor Destroy; override;`
`Destroy` destroys the current instance of `TUndoChangeDataSets`. Do not call `Destroy` directly. Call Free instead.

	`procedure DoCommand; override;`
`DoCommand` does the command for the first time.

	`procedure Undo; override;`
`Undo` undoes the command.

Generated by PasDoc 0.10.0 on 2006-10-31 09:56:34