private void ExportToMapItem_Click(object sender, EventArgs e)
{
try
{
if (exportmapFrm == null || exportmapFrm.IsDisposed)
{
exportmapFrm = new ExportMapFrm(this.axMapcontrol);
}
exportmapFrm.GetGeometry = this.axMapcontrol.ActiveView.Extent;
exportmapFrm.IsRgion = false;
exportmapFrm.Show();
//激活窗体并赋予它焦点
exportmapFrm.Activate();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
///鼠标点击操作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapcontrol_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
Dwnpoint = new PointClass();
Dwnpoint = this.axMapcontrol.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button != 1)
{
return;
}
#region 地图操作
switch (pMouseOperate)
{
case "区域导出":
//删除绘制的图片
this.axMapcontrol.ActiveView.GraphicsContainer.DeleteAllElements();
this.axMapcontrol.ActiveView.Refresh();
IPolygon polygon = DrawPolygon(this.axMapcontrol);
if (polygon == null)
{
return;
}
ExportMap.AddElement(polygon, this.axMapcontrol.ActiveView);
if (polygon == null)
{
return;
}
if (exportmapFrm == null || exportmapFrm.IsDisposed)
{
exportmapFrm = new ExportMapFrm(this.axMapcontrol);
exportmapFrm.IsRgion = true;
exportmapFrm.GetGeometry = polygon as IGeometry;
exportmapFrm.Show();
}
exportmapFrm.GetGeometry = polygon;
exportmapFrm.IsRgion = true;
//获取当前控件焦点
exportmapFrm.Activate();
break;
case "MeasureLength":
if (m_newline == null)
{
m_newline = new NewLineFeedbackClass();
m_newline.Display = this.axMapcontrol.ActiveView.ScreenDisplay;
m_newline.Start(Dwnpoint);
TotalLength = 0;
}
else
{
TotalLength += SegmentLength;
m_newline.AddPoint(Dwnpoint);
}
break;
case "MeasureArea":
if (m_newpolygon == null || Area_Pocoll == null)
{
m_newpolygon = new NewPolygonFeedbackClass();
Area_Pocoll = new PolygonClass();
m_newpolygon.Display = this.axMapcontrol.ActiveView.ScreenDisplay;
m_newpolygon.Start(Dwnpoint);
Area_Pocoll.AddPoint(Dwnpoint);
TotalLength = 0;
}
else
{
m_newpolygon.AddPoint(Dwnpoint);
Area_Pocoll.AddPoint(Dwnpoint);
TotalLength += SegmentLength;
}
break;
}
#endregion
}