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WPF 并没有内置FontDialog和ColorDialog，但可以通过引用 Windows Forms 的控件来实现字体和颜色选择对话框功能。FontDialog 允许用户选择字体、样式、大小等设置。

添加 Windows Forms的引用

1. 项目工程：右键“引用”=》“添加引用”=》勾选System.Windows.Forms
   
2. 浏览选择System.Windows.Forms.dll动态库文件
   默认路径：C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETFramework
   
   3.添加成功
   

• 在C# WPF应用程序中，不能直接使用System.Drawing.Font，因为System.Drawing.Font是Windows Forms的一部分，而不是WPF。WPF使用System.Windows.Media.FontFamily来表示字体。需要做相应的转换才可以使用；
• WinForm中的Color( System.Drawing.Color)与Wpf中Color(System.Windows.Media.Color)也需要要相互转换才能使用；

代码示例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Forms;namespace WpfColorFontDialog
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{public MainWindow(){InitializeComponent();}private void btnSetFont_Click(object sender, RoutedEventArgs e){System.Windows.Forms.FontDialog fontDialog = new System.Windows.Forms.FontDialog();if (fontDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK){// System.Drawing.Font DFont = new System.Drawing.Font("宋体", 10, System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic);System.Drawing.Font drawingFont = fontDialog.Font;FontFamily fontFamily = new FontFamily(drawingFont.Name);double fontSize = drawingFont.Size;FontWeight fontWeight = FontWeights.Bold;if (drawingFont.Bold){fontWeight = FontWeights.Bold;}else {fontWeight = FontWeights.Normal;}FontStyle fontStyle = (drawingFont.Style & System.Drawing.FontStyle.Italic) != 0 ? FontStyles.Italic : FontStyles.Normal;txtBlock.FontFamily = fontFamily;txtBlock.FontSize = fontSize;txtBlock.FontStyle = fontStyle;txtBlock.FontWeight = fontWeight;}}private void btnSetColor_Click(object sender, RoutedEventArgs e){System.Windows.Forms.ColorDialog colorDialog = new System.Windows.Forms.ColorDialog();if (colorDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK){System.Windows.Media.Color MColor = new System.Windows.Media.Color();MColor = System.Windows.Media.Color.FromArgb(colorDialog.Color.A, colorDialog.Color.R, colorDialog.Color.G, colorDialog.Color.B);System.Windows.Media.Brush BColor = new SolidColorBrush(MColor);txtBlock.Background = BColor;}}}
}