![]() To solve our problem we need to create a converter that will invert our boolean value. How we can do that? An amateur will create a new property ShowMyText whose value will be: ShowMyText = !HideMyTextIf you want to be a mediocre developer you can stop here because it works but if you want to be a great developer, then this solution is not for you and you should continue to read! The WPF converters acts as a bridge between the source and the target if the source and target have different data formats or need some conversion. WPF application.Net Framework 4.72-I've got a converter that I added to a xaml file, but the xaml designer is telling me this: The name 'BoolToColorConverter' does not exist in the namespace 'clr-namespace:WpfCommon.Converters assemblyWpfCommon' As you can see by the code below, it DOES exist in the namespace. Two functions will be added to the class with the names. Select first one, i.e., 'Implement Interface'. on Interface name and you'll see the options on the left side of the class. The object that emits the data is called the source and the object that accepts the data is called the target. WPF exposes type converters as classes deriving from TypeConverter (BrushConverter, ColorConverter, and so on). using Windows.UI.Xaml.Data Now, inherit the class with interface. In the next example in our XAML we have a Label with the text bound to MyText and this label should be visible only if the boolean property HideMyText is false: In WPF binding, is the great feature that helps to flow data between two WPF UI objects. ![]() Here is my "FooBars" and "FooBar" class that I am using as a static resource to bind to:In this post we’ll how is possible to invert a boolean value in our XAML page using a ConverterLet’s say that we have a Label that should be visible only if a boolean property is false. I am trying to convert a hex value to its corresponding color name, but the ColorConverter's ConvertFromString method is inserting extra characters: string s1 '000000' string s2 'ccff33' s. This attribute will name the class that is the supporting type converter for values of that type, for XAML purposes as well as potentially other purposes. The Fill property takes a Brush object, so. Here is a simple example with IValueConverter. NET Framework types by checking a class (or property) for the presence of an applied TypeConverterAttribute. The color value is databound to a Rectangle object's Fill property. With WPF, its pretty easy to create a converter to display the color of a text depending on an Enum value. If you want to avoid boxing, build a dictionary up to start with for the standard names (still using ColorConverter) and then use the dictionary for subsequent lookups. The second (for which you set the background) has no Text and is probably of 0 size. NOTE: This converter have already exists in namespace. Get bool value on input and returns Visibility value. ![]() Call ColorConverter.ConvertFromString and cast the result. (This should in fact be a comment but I need the formatting features of an answer) You have two TextBlocks. Converter between boolean and visibility. I am binding the foreground of the TextBlock in the header to the text that is displaying and I am using my custom converter to return the brush (color) based on the text that the TextBlock is bound to. Existing type converters can generally be discovered on WPF and. Of course, ColorConverter is the way to go.
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