Google WindowsPhone: How to programmatically set TextBlock Foreground color with HexColor /Color Codes (C#-XAML) | SubramanyamRaju Xamarin & Windows App Dev Tutorials

Wednesday, 22 October 2014

WindowsPhone: How to programmatically set TextBlock Foreground color with HexColor /Color Codes (C#-XAML)


Hi Guys,HAPPY DIWALI TO YOU AND TO ALL YOUR FAMILY MEMBERS...!As a long time i wrote my previous article .Now i am back to write my next article ,Ok all right!
In this article i want share a simple tip for "How to programmatically set TextBlock Foreground color with Hex Color(Ex:#5490CC) in WindowsPhone "


You may think this is very silly article.But i am sure it may helpful for you in future.This is the very real time requirement and some times we may need to set color code /hex color expressions to our UI elements .Have you ever tried to set Hex color to your UI element?,Ok i will explain,in this sample i taken TextBlock control and trying to programatically set Foreground color with Hex color (Ex:#5490CC) in  windowsphone
<TextBlock Name="TxtBlck"  HorizontalAlignment="Center" VerticalAlignment="Center" Margin="15,0,0,0" />
Generally we are set foreground color like below,but this is not applicable when we are trying to set color codes(Ex:#5490CC)

TxtBlck.Foreground = new new SolidColorBrush(Colors.Red);//Set color strings
TxtBlck.Foreground = new new SolidColorBrush(System.Windows.Media.Color.FromArgb(100, 226, 111, 15));//Set RGB color
So that to set hex color codes follow below steps.

This is method to  convert hex color in to color value .

public Color ConvertStringToColor(String hex) 
            hex = hex.Replace("#"""); 
            byte a = 255; 
            byte r = 255; 
            byte g = 255; 
            byte b = 255; 
            int start = 0; 
            //handle ARGB strings (8 characters long) 
            if (hex.Length == 8) 
                a = byte.Parse(hex.Substring(02), System.Globalization.NumberStyles.HexNumber); 
                start = 2; 
            //convert RGB characters to bytes 
            r = byte.Parse(hex.Substring(start, 2), System.Globalization.NumberStyles.HexNumber); 
            g = byte.Parse(hex.Substring(start + 22), System.Globalization.NumberStyles.HexNumber); 
            b = byte.Parse(hex.Substring(start + 42), System.Globalization.NumberStyles.HexNumber); 
            return Color.FromArgb(a, r, g, b); 
So that finally  we can use above method like this.


TxtBlck.Foreground = new SolidColorBrush(ConvertStringToColor("#5490CC"));

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