StrokeCollectionConverter.ConvertFrom Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Converts the specified object to a StrokeCollection.
public:
override System::Object ^ ConvertFrom(System::ComponentModel::ITypeDescriptorContext ^ context, System::Globalization::CultureInfo ^ culture, System::Object ^ value);
public override object ConvertFrom (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value);
override this.ConvertFrom : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj -> obj
Public Overrides Function ConvertFrom (context As ITypeDescriptorContext, culture As CultureInfo, value As Object) As Object
Parameters
- context
- ITypeDescriptorContext
An ITypeDescriptorContext that provides a format context.
- culture
- CultureInfo
The CultureInfo to use as the current culture.
Returns
A StrokeCollection converted from value
.
Examples
The following example demonstrates how to convert a base-64, encoded Ink Serialized Format (ISF) string to a StrokeCollection. This assumes that there is an InkPresenter called presenter
.
// The base-64 encoded string that contains ink data
// in ink serialized format (ISF).
string strokesString =
@"AOoFAxBIEEVqGwIAWf9GahsCAFn/GRQyCACAEAIAAABCMwgAgA"
+ "wCAAAAQhWrqtNBq6rTQaVh0MSr+ivFHyEVVFVVVVV1OkBUVVVVVXU6QJ7"
+ "0SZ80DJrAVFVVVVV/pcAKU3yC/gEb+AX/k5Z8PwWBO5KktgJSUAAKjzyC"
+ "wBZYLEoCJLd+Cbti873JlTUvn158doCC/gKb+ApwAJslSywE2ALAAWPPI"
+ "FhKWBKWAKAmwJVglAKACiMjgv3d+8Xi+fHWM2WC0zcm89+NSoL+A5P4Dl"
+ "uNlhFIqpLKAAoaF4L+AhP4CFAWAWCggv4Dc/gNty2yy5SrlKAKIhyC/gI"
+ "b+Ai+JZc2XZOyb46vLQCC/gOL+A5YDNlWFjN3CwAKQFeC/gOr+A7VhUFZ"
+ "KCsS2WTc2SyhKuWVLR3ly2LAXx574ssUgv4Dm/gOcCwEEpUTYSixUsuWy"
+ "gVZ79AQsWGyWUAKLCiC/gQT+BA9SWbllDfGqy3Lcu+OmfH8EIL+BDv4EP"
+ "XLKSpY3lVFhZuVZvKACkFggv4F2/gXlKLFuCVKTcsqUlkoRKBmk8zfFll"
+ "S2ySlACwAgv4Ds/gO+WWWWLBLFllllSksAoSkWG1kSbFu5AoAAAo/YoL+"
+ "Biv4GJJU+P4qSalUBKWdkBYCbm+Nliyk1CVKgCxYNYqC/gQb+BBwO8ABY"
+ "olDz4gAEzaw2AVCUKAsWCooCiAegv4Hw/gfEJe8zUoSgLCC/gNT+A0xM7"
+ "Gdmdliay2VaAo0PoL+B7v4Hx5Yq3lc2xZsseeC3N8aDXjUpWW4UIL+A5P"
+ "4DnhYqAIWFkqpcrLZuJuWqSyxVAovNoL+CJP4IjnlkDvHeSbSVd9FqFlI"
+ "oWAAgv4Dk/gOVc7gbmdyZ1LajFFJmlRKsoAKVXmC/go7+CjdRvredypaK"
+ "myLC7ytZQqFiyWbikAEvfg2pSVKS7liSwWJNsrbi4CC/gQD+A/9M2ACxU"
+ "qKjcVuXKiosCWWKQSyhvKRUUWULCwEmyyu4gA=";
' The base-64 encoded string that contains ink data
' in ink serialized format (ISF).
Private strokesString As String = _
"AOoFAxBIEEVqGwIAWf9GahsCAFn/GRQyCACAEAIAAABCMwgAgA" _
& "wCAAAAQhWrqtNBq6rTQaVh0MSr+ivFHyEVVFVVVVV1OkBUVVVVVXU6QJ7" _
& "0SZ80DJrAVFVVVVV/pcAKU3yC/gEb+AX/k5Z8PwWBO5KktgJSUAAKjzyC" _
& "wBZYLEoCJLd+Cbti873JlTUvn158doCC/gKb+ApwAJslSywE2ALAAWPPI" _
& "FhKWBKWAKAmwJVglAKACiMjgv3d+8Xi+fHWM2WC0zcm89+NSoL+A5P4Dl" _
& "uNlhFIqpLKAAoaF4L+AhP4CFAWAWCggv4Dc/gNty2yy5SrlKAKIhyC/gI" _
& "b+Ai+JZc2XZOyb46vLQCC/gOL+A5YDNlWFjN3CwAKQFeC/gOr+A7VhUFZ" _
& "KCsS2WTc2SyhKuWVLR3ly2LAXx574ssUgv4Dm/gOcCwEEpUTYSixUsuWy" _
& "gVZ79AQsWGyWUAKLCiC/gQT+BA9SWbllDfGqy3Lcu+OmfH8EIL+BDv4EP" _
& "XLKSpY3lVFhZuVZvKACkFggv4F2/gXlKLFuCVKTcsqUlkoRKBmk8zfFll" _
& "S2ySlACwAgv4Ds/gO+WWWWLBLFllllSksAoSkWG1kSbFu5AoAAAo/YoL+" _
& "Biv4GJJU+P4qSalUBKWdkBYCbm+Nliyk1CVKgCxYNYqC/gQb+BBwO8ABY" _
& "olDz4gAEzaw2AVCUKAsWCooCiAegv4Hw/gfEJe8zUoSgLCC/gNT+A0xM7" _
& "Gdmdliay2VaAo0PoL+B7v4Hx5Yq3lc2xZsseeC3N8aDXjUpWW4UIL+A5P" _
& "4DnhYqAIWFkqpcrLZuJuWqSyxVAovNoL+CJP4IjnlkDvHeSbSVd9FqFlI" _
& "oWAAgv4Dk/gOVc7gbmdyZ1LajFFJmlRKsoAKVXmC/go7+CjdRvredypaK" _
& "myLC7ytZQqFiyWbikAEvfg2pSVKS7liSwWJNsrbi4CC/gQD+A/9M2ACxU" _
& "qKjcVuXKiosCWWKQSyhvKRUUWULCwEmyyu4gA="
// Accepts a string that contains ink data in ink
// serialized format (ISF) and converts it into a StrokeCollection.
public void LoadStrokes()
{
StrokeCollectionConverter converter =
new StrokeCollectionConverter();
if (converter.CanConvertFrom(typeof(string)))
{
StrokeCollection newStrokes =
(StrokeCollection)converter.ConvertFrom(null, null, strokesString);
presenter.Strokes.Clear();
presenter.Strokes.Add(newStrokes);
}
}
' Accepts a string that contains ink data in ink
' serialized format (ISF) and converts it into a StrokeCollection.
Public Sub LoadStrokes()
Dim converter As New StrokeCollectionConverter()
If converter.CanConvertFrom(GetType(String)) Then
Dim newStrokes As StrokeCollection
newStrokes = converter.ConvertFrom(Nothing, Nothing, strokesString)
presenter.Strokes.Clear()
presenter.Strokes.Add(newStrokes)
End If
End Sub
Remarks
The ConvertFrom method returns null
if value
is not a String.
Applies to
.NET
피드백
https://aka.ms/ContentUserFeedback
출시 예정: 2024년 내내 콘텐츠에 대한 피드백 메커니즘으로 GitHub 문제를 단계적으로 폐지하고 이를 새로운 피드백 시스템으로 바꿀 예정입니다. 자세한 내용은 다음을 참조하세요.다음에 대한 사용자 의견 제출 및 보기