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C#中WPF顏色對話框控件的實現(xiàn)

 更新時間:2022年03月22日 10:44:31   作者:和煦的糖果風(fēng)`  
在 C# WPF開發(fā)中顏色對話框控件(ColorDialog)用于對界面中的背景、文字…(擁有顏色屬性的所有控件)設(shè)置顏色,文中通過示例代碼介紹的非常詳細(xì),具有一定的參考價值,感興趣的小伙伴們可以參考一下

在 C# WPF開發(fā)中顏色對話框控件(ColorDialog)用于對界面中的背景、文字…(擁有顏色屬性的所有控件)設(shè)置顏色,例如設(shè)置標(biāo)簽控件的背景色。

顏色對話框的運行效果如下圖所示:

標(biāo)簽背景色設(shè)置后如下:

xml代碼:

<Window x:Class="WpfApp.MainWindow"
        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"
        xmlns:local="clr-namespace:WpfApp"
        Icon="https://demosc.chinaz.net/Files/pic/iconsico/8254/e9.ico"
        mc:Ignorable="d"
        Title="TestImage" Height="600" Width="900" WindowStartupLocation="CenterScreen">
    <Window.Resources>
        <ResourceDictionary x:Uid="CommandDict">
            <RoutedCommand x:Uid="SetBackGround" x:Key="SetBackGround"/>
        </ResourceDictionary>
    </Window.Resources>

    <Window.CommandBindings>
        <CommandBinding x:Uid="SetBackGroundParameter" Command="{StaticResource SetBackGround}" Executed="Pic_BackGround_Click" />
    </Window.CommandBindings>

    <Window.InputBindings>
        <KeyBinding x:Uid="AddKeyBinding" Key="O" Modifiers="Ctrl+Shift" Command="{StaticResource SetBackGround}"/>
    </Window.InputBindings>
    <Grid>
        <DockPanel x:Name="myDockPanel">
            <Menu DockPanel.Dock="Top" Height="30" Margin="0,0,0.333,0" VerticalAlignment="Top" HorizontalAlignment="Left">
                <MenuItem Header="文件"  Height="30" Background="Violet">
                    <MenuItem Header="打開" InputGestureText="Ctrl+0">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j14.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="保存" InputGestureText="Ctrl+S">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j13.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="另存為" InputGestureText="F12">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j12.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <Separator/>
                    <MenuItem Header="打印預(yù)覽">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j11.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="打印" InputGestureText="Ctrl+P">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j10.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="退出" InputGestureText="F4">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/7595/j9.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                </MenuItem>
                <MenuItem Header="編輯" Height="30" Background="Aqua">
                    <MenuItem Header="背景圖片" InputGestureText="Ctrl + Shift + O" Click="Pic_BackGround_Click">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/8255/b8.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="恢復(fù)" InputGestureText="Ctrl+Y">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/8255/b1.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="重做" InputGestureText="Ctrl+Z">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/8255/b2.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <Separator/>
                    <MenuItem Header="復(fù)制" InputGestureText="Ctrl+C">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/8255/b4.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="粘貼" InputGestureText="Ctrl+V">
                        <MenuItem.Icon>
                            <Image Source="https://demosc.chinaz.net/Files/pic/iconsico/8255/b5.ico"/>
                        </MenuItem.Icon>
                    </MenuItem>
                    <Separator/>
                    <MenuItem Header="字體">
                        <MenuItem Header="黑體" InputGestureText="Ctrl+B" IsCheckable="True"/>
                        <MenuItem Header="斜體" InputGestureText="Ctrl+I" IsCheckable="True"/>
                        <Separator/>
                        <MenuItem Header="增大字體" IsCheckable="True"/>
                        <MenuItem Header="縮小字體" IsCheckable="True"/>
                    </MenuItem>
                </MenuItem>
            </Menu>
            <Label x:Name="colorLabel" DockPanel.Dock="Left" Width="200" Height="100" Background="AntiqueWhite" MouseDoubleClick="ColorLabel_MouseDoubleClick"></Label>
        </DockPanel>
    </Grid>
</Window>

c#代碼:

using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Forms;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Controls;
using System.Windows.Forms;

namespace WpfApp
{
    /// <summary>
    /// MainWindow.xaml 的交互邏輯
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Pic_BackGround_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog pic = new OpenFileDialog();
            pic.Title = "設(shè)置背景圖片";
            pic.Filter = "圖形文件(*.jpg)|*.jpg";
            if (pic.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                ImageBrush p = new ImageBrush(new BitmapImage(new Uri(pic.FileName, UriKind.Absolute)));
                Console.WriteLine(pic.FileName);
                myDockPanel.Background = p;
            }
        }

        private void ColorLabel_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            ColorDialog cl = new ColorDialog();
            if(cl.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                colorLabel.Background = new SolidColorBrush(Color.FromArgb(cl.Color.A,cl.Color.R,cl.Color.G,cl.Color.B));
            }
        }
    }
}

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