TCalculatorDialog

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

TCalculatorDialog - a small calculator window that pops up, allowing the user to perform simple calculations and return the value to the calling Component

Declaration

Source position: extdlgs.pas line 122

`type TCalculatorDialog = class(TCommonDialog)`

`class procedure WSRegisterClass; override;`		`WSRegisterClass` - Register this Class for the current Widget Set
`protected`
`procedure Change; virtual;`		`Change` - software emulator for the `OnChange` event
`procedure CalcKey(); virtual;`		`CalcKey` - software emulator for the `OnCalcKey` event
`procedure DisplayChange; virtual;`		`DisplayChange` - software emulator for the `OnDisplayChange` event
`public`
`constructor Create(); override;`
`destructor Destroy; override;`
`function Execute; override;`		A public method causing the dialog box to appear, offer the relevant choices to the user and act upon the choice
`property CalcDisplay: Double; [r]`		`CalcDisplay` - the current numerical value in the main calculator display
`property Memory: Double; [r]`		`Memory` - the value stored in the calculator's memory
`published`
`property BeepOnError: Boolean; [rw]`		`BeepOnError` - if True, beeps when there is an entry error or other calculator error
`property HelpContext: THelpContext; [rw]`		`HelpContext` - an index to the context-dependent help message for this dialog
`property CalculatorLayout: TCalculatorLayout; [rw]`		`CalculatorLayout` - whether simple or normal
`property Precision: Byte; [rw]`		`Precision` - the level of precision to be used in calculations; default is set by `DefCalcPrecision`
`property Title: String; [rws]`		The Title or Caption to be shown at the top of the dialog box
`property Value: Double; [rw]`		`Value` - the numerical value (result) returned by the calculator
`property OnCalcKey: TKeyPressEvent; [rw]`		`OnCalcKey` - event handler for a key press in the calculator
`property OnChange: TNotifyEvent; [rw]`		`OnChange` - event handler for any change in the calculator
`property OnDisplayChange: TNotifyEvent; [rw]`		`OnDisplayChange` - event handler for any change in the calculator display
`end;`

Inheritance

`TCalculatorDialog`		`TCalculatorDialog` - a small calculator window that pops up, allowing the user to perform simple calculations and return the value to the calling Component
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`TCommonDialog`		`TCommonDialog` : the base type from which other dialogs are derived
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`TLCLComponent`		`TLCLComponent` - base class for LCL components
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`TComponent,IUnknown,IInterfaceComponentReference`
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`TPersistent`
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`TObject`

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