1、新建一个静态类colorRevert.cs,代码如下:
using System;using System.Net;using System.windows;using System.windows.Controls;using System.windows.documents;using System.windows.Ink;using System.windows.input;using System.windows.Media;using System.windows.Media.Animation;using System.windows.Shapes;namespace Demo{ public static class colorRevert { #region 颜色转换 public static color Tocolor(this string colorname) { if (colorname.StartsWith("#")) colorname = colorname.Replace("#",string.Empty); int v = int.Parse(colorname,System.Globalization.NumberStyles.Hexnumber); return new color() { A = Convert.ToByte((v >> 24) & 255),R = Convert.ToByte((v >> 16) & 255),G = Convert.ToByte((v >> 8) & 255),B = Convert.ToByte((v >> 0) & 255) }; } public static int ToArgb(this color color) { int argb = color.A << 24; argb += color.R << 16; argb += color.G << 8; argb += color.B; return argb; } #endregion }}
2、 新建一个Silverlight用户控件,并添加一个Rectange控件,并为其赋值填充颜色(当然这个值也可以通过数据库或参数等传递到Silverlight中并使用)
<UserControl x:Class="Demo.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/Expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" > <GrID x:name="LayoutRoot" Background="White"> <Rectangle Height="100" HorizontalAlignment="left" margin="306,221,0" name="rectangle1" stroke="Black" strokeThickness="1" VerticalAlignment="top" WIDth="241" /> </GrID></UserControl>using System;using System.Collections.Generic;using System.linq;using System.Net;using System.windows;using System.windows.Controls;using System.windows.documents;using System.windows.input;using System.windows.Media;using System.windows.Media.Animation;using System.windows.Shapes;using System.Json;using ESRI.ArcGIS.ClIEnt.Bing;using ESRI.ArcGIS.ClIEnt;using ESRI.ArcGIS.ClIEnt.Geometry;using System.windows.Media.Imaging;namespace Demo{ public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); SolIDcolorBrush scb = new SolIDcolorBrush(); scb.color = "#FFBBCCFF".Tocolor(); //核心代码在这里 rectangle1.Fill = scb; } }}总结
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