本文整理汇总了C#中System.ComponentModel.Design.IHelpService接口的典型用法代码示例。如果您正苦于以下问题：C# IHelpService接口的具体用法？C# IHelpService怎么用？C# IHelpService使用的例子？那么恭喜您, 这里精选的接口代码示例或许可以为您提供帮助。
IHelpService接口属于System.ComponentModel.Design命名空间，在下文中一共展示了IHelpService接口的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: HelpDesigner
//引入命名空间
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using System.Windows.Forms.Design;
namespace IHelpServiceSample
{
public class HelpDesigner : System.Windows.Forms.Design.ControlDesigner
{
public HelpDesigner()
{
}
public override System.ComponentModel.Design.DesignerVerbCollection Verbs
{
get
{
return new DesignerVerbCollection( new DesignerVerb[] {
new DesignerVerb("Add IHelpService Help Keyword", new EventHandler(this.addKeyword)),
new DesignerVerb("Remove IHelpService Help Keyword", new EventHandler(this.removeKeyword))
} );
}
}
private void addKeyword(object sender, EventArgs e)
{
IHelpService hs = (IHelpService) this.Control.Site.GetService(typeof(IHelpService));
hs.AddContextAttribute("keyword", "IHelpService", HelpKeywordType.F1Keyword);
}
private void removeKeyword(object sender, EventArgs e)
{
IHelpService hs = (IHelpService) this.Control.Site.GetService(typeof(IHelpService));
hs.RemoveContextAttribute("keyword", "IHelpService");
}
}
[Designer(typeof(HelpDesigner))]
public class HelpTestControl : System.Windows.Forms.UserControl
{
public HelpTestControl()
{
this.Size = new Size(320, 100);
this.BackColor = Color.White;
}
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
Brush brush = new SolidBrush(Color.Blue);
e.Graphics.DrawString("IHelpService Example Designer Control", new Font( FontFamily.GenericMonospace, 10 ), brush, 5, 5);
e.Graphics.DrawString("Right-click this component for", new Font( FontFamily.GenericMonospace, 8 ), brush, 5, 25);
e.Graphics.DrawString("add/remove Help context keyword commands.", new Font( FontFamily.GenericMonospace, 8 ), brush, 5, 35);
e.Graphics.DrawString("Press F1 while this component is", new Font( FontFamily.GenericMonospace, 8 ), brush, 5, 55);
e.Graphics.DrawString("selected to raise Help topics for", new Font( FontFamily.GenericMonospace, 8 ), brush, 5, 65);
e.Graphics.DrawString("the current keyword or keywords", new Font( FontFamily.GenericMonospace, 8 ), brush, 5, 75);
}
}
}