为窗口属性和表单dll文件创建按钮属性 [英] Create a button properties for windows properties and in the form dll file

问题描述

我创建了一个按钮并将按钮保存在dll文件中，如 mybtn.dll 文件。现在我想在运行时创建一个按钮，但我必须访问mybtn的按钮属性。 dll到新按钮。

I have created a button and save the button in the dll file like mybtn.dll file.Now I would like create a button in run time but i have to access the button properties of mybtn.dll to new button.

推荐答案

假设您要创建一个可重复使用的Windows窗体组件，如自定义按钮：



1.启动类型'类库的新C＃桌面项目。



2.为'System.Windows.Forms添加对项目的引用和System.Drawing



3.修改类库代码如下：

Assuming you want to create a re-usable Windows Forms Component, like a custom Button:

1. start a new C# Desktop Project of Type 'Class Library.

2. add references to the Project for 'System.Windows.Forms and System.Drawing

3. modify the Class Library code to look like this:

using System;
using System.Drawing;
using System.Windows.Forms;

namespace Dec29_FancyButton.cs
{
    public class FancyButton: Button
    {
        private static Size defaultSize = new Size(100,30);
        private static Color defaultBackColor = Color.White;
        private static Color defaultForeColor = Color.Black;
        private const string defaultText = "FancyButton";

        // use default values if the "vanilla" ctor is called ...
        public FancyButton()
        {
            Size = defaultSize;
            BackColor = defaultBackColor;
            ForeColor = defaultForeColor;
            Text = defaultText;
        }

        // alternative 'ctor for specifying initial visual state
        // note that since 'Size.Empty and 'Color.Empty are not compile-time constants
        // they cannot be used as optional parameter values in a 'ctor
        public FancyButton(string text, Size bSize, Color backColor, Color foreColor)
        {
            this.Text = (text == String.Empty) ? defaultText : text;

            this.Size = (bSize == Size.Empty) ? defaultSize : bSize;

            this.BackColor = (backColor == Color.Empty) ? defaultBackColor:  backColor;
            this.ForeColor = (foreColor == Color.Empty) ? defaultForeColor:  foreColor;
        }
    }
}

4。编译这个来创建'dll。



5.使用这样编译的dll：



a 。开始一个新项目



b。为FancyButton添加对已编译dll的引用



c。在表单上放置一个'using语句，然后创建和使用组件的实例：

4. compile this to create the 'dll.

5. use the compiled dll like this:

a. start a new Project

b. add a reference to the compiled dll for FancyButton

c. put a 'using statement on the Form where you want to use the Component, then create and use instances of the component:

// required
using Dec29_FancyButton.cs;

private void Form1_Load(object sender, EventArgs e)
{
    FancyButton fb1 = new FancyButton();
    this.Controls.Add(fb1);
    fb1.Text = "number one";
    fb1.Location = new Point(100, 100);

    FancyButton fb2 = new FancyButton("number two", 
        Size.Empty, Color.Empty, Color.Empty);   
    this.Controls.Add(fb2);
    fb2.Location = new Point(200,200);
}

6。您可以通过以下方式将已编译的'dll挂载到ToolBox中：



a。在ToolBox中创建新标签...或者重新使用您已经创建的标签



b。选择选择项目



c。添加对'dll

6. You can mount the compiled 'dll in your ToolBox by:

a. create new Tab in the ToolBox ... or re-use one you've already created

b. select 'Choose Items'

c. add a reference to the 'dll

的提及

伙计感谢您的宝贵答案，但我已经以海关控制的形式解决了自己。我在 中创建了一个按钮海关控制并多次使用它如拖放。

Guys thanks for your valuable answer but i have solved myself in the form of Customs Control.I have a created a button in the customs control and used it many times like drag and drop.

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