Class IsStringNotNullOrWhitespaceConverter
This class converts string value to boolean value.
Inheritance
System.Object
IsStringNotNullOrWhitespaceConverter
Implements
Microsoft.Maui.Controls.IValueConverter
Namespace: Syncfusion.Maui.Core.Converters
Assembly: Syncfusion.Maui.Core.dll
Syntax
public class IsStringNotNullOrWhitespaceConverter : Object, IValueConverter
Constructors
IsStringNotNullOrWhitespaceConverter()
Declaration
public IsStringNotNullOrWhitespaceConverter()
Methods
Convert(Object, Type, Object, CultureInfo)
Converts string value to an boolean value based on not null or whitespace.
Declaration
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
Parameters
Type | Name | Description |
---|---|---|
System.Object | value | The value must be the type of string |
System.Type | targetType | The type of the target property |
System.Object | parameter | An additional parameter for the converter to handle, not used |
System.Globalization.CultureInfo | culture | The culture to use in the converter, not used |
Returns
Type | Description |
---|---|
System.Object | Returns the boolean value of the string |
Exceptions
Type | Condition |
---|---|
System.ArgumentException | The exception is thrown when the value type is null or not a type of color |
ConvertBack(Object, Type, Object, CultureInfo)
Converts back is impossible to revert to original value
Declaration
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
Parameters
Type | Name | Description |
---|---|---|
System.Object | value | |
System.Type | targetType | |
System.Object | parameter | |
System.Globalization.CultureInfo | culture |
Returns
Type |
---|
System.Object |
Exceptions
Type | Condition |
---|---|
System.NotSupportedException |
Implements
Microsoft.Maui.Controls.IValueConverter