本文整理匯總了C#中System.Workflow.ComponentModel.Design.DesignerGlyph.OnActivate方法的典型用法代碼示例。如果您正苦於以下問題：C# DesignerGlyph.OnActivate方法的具體用法？C# DesignerGlyph.OnActivate怎麽用？C# DesignerGlyph.OnActivate使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Workflow.ComponentModel.Design.DesignerGlyph的用法示例。
在下文中一共展示了DesignerGlyph.OnActivate方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: ErrorActivityGlyph
/// <summary>
/// This glyph shows that the activity's track point is not correctly configured
/// </summary>
internal sealed class ErrorActivityGlyph : DesignerGlyph
{
static Bitmap image = Resources.error;
string errorMessage;
internal ErrorActivityGlyph(string errorMessage)
{
this.errorMessage = errorMessage;
}
public override bool CanBeActivated
{
get
{
return true;
}
}
/// <summary>
/// Display an error message when this glyph is clicked
/// </summary>
/// <param name="designer"></param>
protected override void OnActivate(ActivityDesigner designer)
{
MessageBox.Show(errorMessage);
}
public override Rectangle GetBounds(ActivityDesigner designer, bool activated)
{
Rectangle imageBounds = new Rectangle();
if (image != null)
{
imageBounds.Size = image.Size;
imageBounds.Location = new Point(designer.Bounds.Right - imageBounds.Size.Width / 4, designer.Bounds.Top - imageBounds.Size.Height / 2);
}
return imageBounds;
}
protected override void OnPaint(Graphics graphics, bool activated, AmbientTheme ambientTheme, ActivityDesigner designer)
{
image.MakeTransparent(Color.FromArgb(255, 255, 255));
if (image != null)
{
graphics.DrawImage(image, GetBounds(designer, activated), new Rectangle(Point.Empty, image.Size), GraphicsUnit.Pixel);
}
}
}