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MyFreeOcr – Best Online Ocr tool that allows you to convert your PDF, PNG, JPG images into text. Supporting multiple languages. The key frame animation you saw in the previous example uses linear key frames. As a result, it transitions smoothly between the key-frame values. Another option is to use discrete key frames. In this case, no interpolation is performed. When the key time is reached, the property changes abruptly to the new value. Linear key-frame classes are named in the form LinearDataTypeKeyFrame. Discrete key-frame classes are named in the form DiscreteDataTypeKeyFrame. Here s a revised version of the RadialGradientBrush example that uses discrete key frames: <PointAnimationUsingKeyFrames Storyboard.TargetName="ellipseBrush" Storyboard.TargetProperty="GradientOrigin" RepeatBehavior="Forever" > <DiscretePointKeyFrame Value="0.7,0.3" KeyTime="0:0:0"></DiscretePointKeyFrame> <DiscretePointKeyFrame Value="0.3,0.7" KeyTime="0:0:5"></DiscretePointKeyFrame> <DiscretePointKeyFrame Value="0.5,0.9" KeyTime="0:0:8"></DiscretePointKeyFrame> <DiscretePointKeyFrame Value="0.9,0.6" KeyTime="0:0:10"></DiscretePointKeyFrame> <DiscretePointKeyFrame Value="0.8,0.2" KeyTime="0:0:12"></DiscretePointKeyFrame> <DiscretePointKeyFrame Value="0.7,0.3" KeyTime="0:0:14"></DiscretePointKeyFrame> </PointAnimationUsingKeyFrames> When you run this animation, the center point jumps from one position to the next at the appropriate time. It s a dramatic (but jerky) effect. All key-frame animation classes support discrete key frames, but only some support linear key frames. It all depends on the data type. The data types that support linear key frames are the same ones that support linear interpolation and provide a DataTypeAnimation class. These are Point, Color, and Double. The only other animatable data type is object, which doesn t support linear interpolation. (Essentially, animating an object means replacing it with completely new values at specific times in a discrete key-frame animation.) captcha ocr online: We create this smart application to help users to capture the screenshot and then ... The OCR process is online which ma ... gocr online Free Online OCR - convert PDF to Word or Image to text
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Within the example s try...catch block, the SqlConnection is instantiated and opened using the connection string defined previously. Then a SqlCommand is created on the open connection and executed with the ExecuteReader method. The ExecuteReader method returns a SqlDataReader instance, which allows you to retrieve result set rows in an efficient forwardonly fashion. 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Currently, the System.Exception object configured within the Accelerate() method simply establishes a value exposed by the Message property (via a constructor parameter). As shown in Table 7-1, however, the Exception class also supplies a number of additional members (TargetSite, StackTrace, HelpLink, and Data) that can be useful in further qualifying the nature of the problem. To spruce up our current example, let s examine further details of these members on a case-by-case basis. Tip You can combine both types of key frame linear and discrete in the same key-frame animation, as long as they re both supported for that data type. The System.Exception.TargetSite property allows you to determine various details about the method that threw a given exception. As shown in the previous Main() method, printing the value of TargetSite will display the return value, name, and parameters of the method that threw the exception. However, TargetSite does not simply return a vanilla-flavored string, but a strongly typed System.Reflection. MethodBase object. This type can be used to gather numerous details regarding the offending method as well as the class that defines the offending method. To illustrate, assume the previous Catch logic has been updated as follows: Module Program Sub Main() ... Try For i As Integer = 0 To 10 myCar.Accelerate(10) Next Catch ex As Exception Console.WriteLine("*** Error! ***") Console.WriteLine("Member name: {0}", ex.TargetSite) Console.WriteLine("Class defining member: {0}", _ ex.TargetSite.DeclaringType) Console.WriteLine("Member type: {0}", ex.TargetSite.MemberType) Console.WriteLine("Message: {0}", ex.Message) Console.WriteLine("Source: {0}", ex.Source) End Try ... End Sub End Module This time, you make use of the MethodBase.DeclaringType property to determine the fully qualified name of the class that threw the error (SimpleException.Car in this case) as well as the MemberType property of the MethodBase object to identify the type of member (such as a property versus a method) where this exception originated. Figure 7-3 shows the updated output. ocr online google ABBYY FineReader Online : OCR Online - Text Recognition & PDF ...
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