private void DrawExtent(IEnvelope envelope)
{
(axMapControl_hawkeye.Map as IGraphicsContainer).DeleteAllElements();
IElement pElement = new RectangleElementClass()
{
Geometry = envelope,
Symbol = new SimpleFillSymbolClass()
{
Color = AeUtils.GetRgbColor(0, 0, 0, 0),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtils.GetRgbColor(255, 0, 0),
Width = 2
}
}
};
(axMapControl_hawkeye.Map as IGraphicsContainer).AddElement(pElement, 0);
axMapControl_hawkeye.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
void axMapControl_main_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
#region // 地图平移（漫游）
if (e.button == 4)
{
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerPanning;
m_pMapC2.Pan();
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerArrow;
return;
}
#endregion
#region // 要素选择 2
if (e.button == 1 && ckbx_select.Checked)
{
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
IGeometry pGeometry = cbbx_select.SelectedIndex == 0 ? m_pMapC2.TrackRectangle() : m_pMapC2.TrackPolygon();
(m_pMapC2.Map as IGraphicsContainer).DeleteAllElements();
(m_pMapC2.Map as IGraphicsContainer).AddElement(new RectangleElementClass()
{
Geometry = pGeometry,
Symbol = new SimpleFillSymbolClass()
{
Color = AeUtils.GetRgbColor(0, 0, 0, 0),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtils.GetRgbColor(255, 0, 0), Width = 1
}
}
}, 0);
m_pMapC2.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
m_pMapC2.Map.SelectByShape(pGeometry, null, false);
m_pMapC2.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerArrow;
return;
}
#endregion
}
