private void 获取长度ToolStripMenuItem_Click(object sender, System.EventArgs e)
{
if (lineElement == null)
{
return;
}
lineElement.GetDistance();
}
void Form1_CommondExecutedEvent(object sender, MessageEventArgs e)
{
switch (e.ToolType)
{
case ToolTypeEnum.Draw:
element = e.Data as IMFElement;
switch (element.ElementType)
{
case ElementTypeEnum.Circle:
circleElement = element as IMFCircle;
break;
case ElementTypeEnum.Point:
pointElement = element as IMFPoint;
break;
case ElementTypeEnum.Line:
lineElement = element as IMFLine;
double length = lineElement.GetDistance();
break;
case ElementTypeEnum.Polygon:
polygonElement = element as IMFPolygon;
double area = polygonElement.GetArea();
break;
case ElementTypeEnum.Text:
textElement = element as IMFText;
break;
case ElementTypeEnum.Rectangle:
rectangleElement = element as IMFPolygon;
break;
}
break;
case ToolTypeEnum.Measure:
break;
case ToolTypeEnum.Select:
List <IMFElement> elements = (sender as IMFSelect).GetSelectElements();
break;
case ToolTypeEnum.Edit:
switch (element.ElementType)
{
case ElementTypeEnum.Point:
pointElement = element as IMFPoint;
break;
case ElementTypeEnum.Line:
lineElement = element as IMFLine;
double length = lineElement.GetDistance();
break;
case ElementTypeEnum.Polygon:
polygonElement = element as IMFPolygon;
double area = polygonElement.GetArea();
break;
case ElementTypeEnum.Text:
textElement = element as IMFText;
break;
}
break;
}
}
