> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/uwp/changelogs/version-9/v9-3-0-80056.md).

# Version 9.3.0.80056 Changelog (July 15th, 2022)

World's #1 PDF SDK Library for Web, Mobile, Server, Desktop

Version: 9.3.0.80056

Release Date: July 15th, 2022

## Breaking Changes

* \[tools] ViewerControl: event name changed

|       | Declaration                                                    |
| ----- | -------------------------------------------------------------- |
| From: | event GoBackRequestedHandler ViewerControl.GoBackRequested     |
| To:   | event GoBackRequestedHandler ViewerControl.ViewerBackRequested |

## New features

* \[tools] Added Rubber stamp tool

![](https://3246663708-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Frgmys2szYV2Z567Zu3vi%2Fuploads%2Fgit-blob-425d100035923102971c355d4921f10363b1432f%2F85dfdc311bce3084091ba801b553943e47386581-862x832.gif?alt=media)

* \[tools] Added support to pan over documetns with middle mouse button

![](https://3246663708-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Frgmys2szYV2Z567Zu3vi%2Fuploads%2Fgit-blob-b8064abb2e304907c0808b6291d20558853466c6%2F0b76e2504d1745ce9c42d43d4058f257b6f24b97-862x832.gif?alt=media)

## Improvements

* \[tools] Measurement: after performing calibration it will save/cache new value and unit for the next annotations created
* \[tools] \[control] ViewerControl: when converting a file to PDF on a new tab, and then trying to close it, a dialog will be prompted for the user to perform "saving as"

## Bug Fixes

* \[Tools] FreeText: Fixes for handling Rich Text formatting on multiple language including CJK
* \[tools] FreeText: Added fixes to prevent random crashes with mouse interaction
* \[tools] \[control] Fixed page jump with navigation stack
* \[tools] \[control] ViewerControl: removed space shortcut since to move to next page
* \[tools] \[control] ViewerControl: fixes to prevent exception when changing tabs in the viewer
* \[tools] \[control] ViewerControl: fixed conversion of Image to PDF when image file type name was in caps lock (upper case)
* \[tools] \[control] ViewerControl: fixed actions button not changing visibility during UI customization

## New APIs - Tools Package SDK

*New* Events

* `event SignatureDialogRequestHandler ToolManager.SignatureDialogRequested`
* `ToolManager.SignatureDialogRequestHandler ViewerViewModel.SignatureDialogRequested`
* `ToolManager.SignatureDialogRequestHandler ViewerControl.SignatureDialogRequested`

*New* Delegate

* `delegate void ToolManager.SignatureDialogRequestHandler(ToolManager, SignatureDialogEventArgs)`

*New* Class pdftron.PDF.Tools.Controls.RubberStamper.RubberStampControl

* *New* Constructor
* `RubberStampControl()`
* *New* Method
* `Dispose()`
* *New* Properties
* `RubberStampControlViewModel ViewModel`

*New* Class pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.RubberStampControlViewModel

* *New* Constructor
* `RubberStampControlViewModel()`
* *New* Method
* `async Task InitStandardStampsAsync()`
* `void Dispose()`
* *New* Properties
* `ObservableCollection<RubberStampItem> StampCollection`
* `List<StampColorPreset> StampColorList`
* `RubberStampItem SelectedStampItem`
* `ImageSource SelectedStampItemImage`

*New* Class pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.RubberStampItem

* *New* Properties
* `string Text`
* `StampPresetColorType Color`
* `double FillOpacity`
* `bool IsPointingLeft`
* `bool IsPointingRight`
* `ImageSource PreviewImage`

*New* Class pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.RubberStamps

* *New* Properties
* `ObservableCollection<RubberStampItem> RubberStampItemCollection`

*New* Class pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.StampColorPreset

* *New* Properties
* `StampPresetColorType Id`
* `string StartColor`
* `string EndColor`
* `string TextColor`
* `string BorderColor`

*New* Class pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.StampColors

* *New* Properties
* `List<StampColorPreset> StampColorPresetList`

*New* Enum pdftron.PDF.Tools.Controls.ViewModels.RubberStamper.StampPresetColorType

* `LightRed`
* `DarkRed`
* `LightGreen`
* `LightBlue`
* `Yellow`
* `Purple`

*New* abstract Class pdftron.PDF.Tools.Json.BaseObject

* *New* Methods
* `string ToJson()`
* `string ToJson(JsonSerializerSettings)`
* `void ToJsonFile(string)`
* `void ToJsonFile(string, JsonSerializerSettings)`
* `void FromJson(string)`
* `void FromJson(string, JsonSerializerSettings)`
* `void FromJsonFile(string, JsonSerializerSettings)`
* `void FromJsonFile(string)`
* `object Clone()`
* `T CloneObject<T>()`
* `void SetJsonDefaultValueHandling(DefaultValueHandling)`
* `void SetJsonFormatting(Formatting)`
* `void SetJsonNullValueHandling(NullValueHandling)`
* `void SetJsonTypeNameHandling(TypeNameHandling)`

*New* static Class pdftron.PDF.Tools.Json.JsonParse

* *New* Methods
* `static async Task<T> TryFromJsonFileAsync<T>(string, JsonSerializerSettings, int)`
* `static T TryFromJson<T>(string, JsonSerializerSettings)`
* `static string TryToJsonString<T>(T, JsonSerializerSettings)`
* `async static Task TryToJsonFileAsync<T>(T, string, JsonSerializerSettings)`

*New* class SignatureDialogEventArgs

* *New* Properties
* `bool IsFullScreen`
* `bool IsWidget`
* `bool Handled`

*New* Resources

* `RubberStamps.json`
* `StampColors.json`


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