private void FormXGIS_MouseUp(object sender, MouseEventArgs e)
{
//没有打开任何图层
if (layer == null)
{
return;
}
//未发生变化
if (e.Location.X == MouseDownLocation.X && e.Location.Y == MouseDownLocation.Y)
{
if (MouseSelect)
{
layer.SelectByClick(e.Location, view);
UpdateMap();
}
}
else
{
XVertex v1 = view.ToMapVertex(MouseDownLocation);
XVertex v2 = view.ToMapVertex(e.Location);
//如果是拉框放大
if (MouseSelect)
{
XExtent extent = new XExtent(v1, v2);
//if (Control.ModifierKeys == Keys.Control)
//{
// layer.PlusSelectByExtent(extent);
//}
//else
//{
// layer.SelectByExtent(extent, Control.ModifierKeys == Keys.Shift,
// Control.ModifierKeys == Keys.Control);
//}
if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift &&
(Control.ModifierKeys & Keys.Control) == Keys.Control)
{
layer.SelectByExtent(extent, true, true);
}
else
{
layer.SelectByExtent(extent, Control.ModifierKeys == Keys.Shift,
Control.ModifierKeys == Keys.Control);
}
}
else if (MouseZoomIn)
{
XExtent extent = new XExtent(v1, v2);
view.UpdateExtent(extent);
}
else if (MousePan)
{
view.OffsetCenter(v1, v2);
}
UpdateMap();
}
MouseSelect = MouseZoomIn = MousePan = false;
}
private void FormXGIS_MouseUp(object sender, MouseEventArgs e)
{
//没有打开任何图层
if (layer == null)
{
return;
}
//未发生变化
if (e.Location.X == MouseDownLocation.X && e.Location.Y == MouseDownLocation.Y)
{
if (MouseSelect)
{
layer.selectByClick(e.Location, view);
UpdateMap();
}
}
else//框选
{
XVertex v1 = view.ToMapVertex(MouseDownLocation);
XVertex v2 = view.ToMapVertex(e.Location);
if (MouseSelect)
{
XExtent extent = new XExtent(v1, v2);
layer.SelectByExtent(extent);
}
else if (MouseZoomIn)
{
XExtent extent = new XExtent(v1, v2);
view.UpdateExtent(extent);
}
else if (MousePan)//如果是平移地图
{
view.OffsetCenter(v1, v2);
}
else if (MouseInterSelect)
{
XExtent extent = new XExtent(v1, v2);
layer.SelectByInterExtent(extent);
}
UpdateMap();
}
MouseSelect = MousePan = MouseZoomIn = MouseInterSelect = false;
}