WPF CalculatorUpDown

WPF CalculatorUpDown

First Adding Reference to WPF Toolkit Extended Assembly

The CalculatorUpDown provides a TextBox with button spinners that allow incrementing and decrementing numeric values by using the spinner buttons, keyboard up/down arrows, or mouse wheel. It also provides a Calculator dropdown which allows you to perform mathematical calculations.

When using the CalculatorUpDown in data binding scenarios, bind your object's value to the Value property. You can specify how much to increment the value by setting the Increment property. You can control the minimum and maximum allowed values by setting the Minimum and the Maximum properties. You can also specify if the user can directly edit the values in the text box by setting the IsEditable property. If you would like to get the actual fromatted string representation of the value, you can use the Text property.

Applying FormatStrings

Default:

<wpfx:CalculatorUpDown Value="1564.6749586" />

Floating Point:

<wpfx:CalculatorUpDown FormatString="F3" Value="1564.6749586" Increment=".001"  Maximum="200000.599" />

Currency:

<wpfx:CalculatorUpDown FormatString="C2" Value="1564.6749586" Increment=".5" Maximum="5000.50" Minimum="50.01" />

Supported Format Strings

Format Specifier	Name
C	Currency
F	Fixed Point
G	General
N	Number
P	Percent

Watermark

You can provide a Watermark to show text in place of a NULL Value.

<wpfx:CalculatorUpDown Watermark="Enter Value" />

Properties / Events

Property	Description
AllowSpin	Gets/Sets the ability to perform increment/decrement operations via the keyboard, button spinners, or mouse wheel.
CultureInfo	Gets/Sets the current CultureInfo.
DefaultValue	Get/Sets the value to use when the Value is null and an increment/decrement operation is performed.
DisplayText	Gets/Sets the text displayed in the Calculator view port.
EnterClosesCalculator	Gets/Sets whether or not the Enter keyboard button will close the Calculator when pressed.
FormatString	Gets/Sets the dispaly format of the Value.
Increment	Specifies the amount in which to increment the value.
IsEditable	Determines if direct entry is allowed in the text box.
Maximum	Gets/Sets the maximum allowed value.
Memory	Gets/Sets the numeric value stored in the Calculator memory.
Mimum	Gets/Sets the minimum allowed value.
Precision	Gets/Sets the maximum number of digits displayed to the right of the decimal point in the Calculator.
SelectAllOnGotFocus	If set to true, all text is selected when control gets focus.
ShowButtonSpinner	Gets/Sets if the button spinners are visible.
Text	Gets/Sets the formated string representation of the value.
TextAlignment	Gets/Sets the alignment of the Text
Value	Gets/Sets the numeric value.
Watermark	Gets/Sets the object to use as a watermark if the Value is null.
WatermarkTemplate	Gets/Sets the DatTemplate to use for the Watermark.