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Typedef for AfterPri nt event handler.

Delphi declaration
TTXAfterPrintEvent=procedure(Sender: TComponent; DoPrint: Boolean) of object;
C++ declaration
typedef void __fastcall(__closure *TTXAfterPrintEvent)(Classes::TComponent *Sender, bool DoPrint);

Description
DoPrint is set to true, if the component was actually printed.

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Typedef for BeforePrint event handler.

Delphi declaration
TTXBeforePrintEvent=procedure(Sender: TComponent; var DoPrint: Boolean) of object;
C++ declaration
typedef void __fastcall(__closure *TTXBeforePrintEvent)(Classes::TComponent *Sender, bool & DoPrint);

Description
Set DoPrint to false to skip actual printing of the component.

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Type of calculation operation performed by TTXCalcLabel .

Delphi declaration
TTXCalcOperation=(txSum, txMin, txMax, txAve, txCount);
C++ declaration
enum TTXCalcOperation { txSum, txMin, txMax, txAve, txCount };

Description
Value Meaning

txSum Sum of data.

txMin Minimum value of data.

txMax Maximum value of data.

txAve Average value of data.

txCount Count of data.

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Typedef for TTXCalcLabel.OnCalculate event handler.

Delphi declaration
TTXCalcPrinEvent=procedure(Sender: TObject; var Accept: Boolean) of object;
C++ declaration
typedef void __fastcall(__closure *TTXCalcPrinEvent)(System::TObject *Sender, bool & Accept);

Description
Set Accept to false to skip printing.

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Typedef for OnDataChange event

Delphi declaration
TTXDBLabelDataChanged=procedure(Sender: TObject; Field: TField) of object;
C++ declaration
typedef void __fastcall(__closure *TTXDBLabelDataChanged)(System::TObject *Sender, Db::TField *Field);

Description

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Typedef for TTXGroup.OnNewData event handler.

Delphi declaration
TTXGroupOnNeedData=procedure(var Value: String) of object;
C++ declaration
typedef void __fastcall(__closure *TTXGroupOnNeedData)(System::AnsiString & Value);

Description
When event handler is called, parameter Value has the value of the underlying data field as a string, the application can change this data.

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Typedef for OnNeedData event handler.

Delphi declaration
TTXOnNeedDataEvent=procedure(Sender: TComponent; Restart: Boolean; var FoundMore: Boolean) of object;
C++ declaration
typedef void __fastcall(__closure *TTXOnNeedDataEvent)(Classes::TComponent *Sender, bool Restart, bool & FoundMore);

Description
If Restart is true, application needs to find the first data record, and the next, if false.

Set FoundMore to true, if a new record was found.

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Ruler, dispalyed at design time.

Delphi declaration
TTXRulerOpt=(troVertical, troHorizontal, troVertUnits, troHrxUnits);
C++ declaration
enum TTXRulerOpt { troVertical, troHorizontal, troVertUnits, troHrxUnits };

Description
Value Meaning

troVertical Vertical lines between columns.

troHorizontal Horizontal lines between rows.

troVertUnits Column numbers.

troHrxUnits Row numbers.

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Type of system data dispalyed by TTXSysLabel .

Delphi declaration
TTXSysDataType=(txDate, txTime, txDateTime, txPage, txTitle);
C++ declaration
enum TTXSysDataType { txDate, txTime, txDateTime, txPage, txTitle };

Description
Value Meaning

txDate Current date.

txTime Current time.

txDateTime Current date and time.

txPage Number of current page.

txTitle Report title.

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Typedef for OnGetText event handler.

Delphi declaration
TTXTOnGetTextEvent=procedure(Sender: TObject; var Text: String) of object;
C++ declaration
typedef void __fastcall(__closure *TTXTOnGetTextEvent)(System::TObject *Sender, System::AnsiString & Text);

Description
Change Text parameter to what needs to be printed.