private void mapControl_MouseDownEvent(object sender, _DMapEvents_MouseDownEvent e)
{
if (e.button == 2 && listLabel.Visible)
{
ListViewItem x = listLabel.Items[listLabel.SelectedIndices[0]];
string type = x.SubItems[1].Text;
FormEnterLabel enter = new FormEnterLabel(preSelectedShape.ToString(), type);
enter.ShowDialog();
string str_ = enter.label;
String[] rowData = new String[3];
rowData[0] = preSelectedShape.ToString();
rowData[1] = type;
rowData[2] = str_;
ListViewItem item = new ListViewItem(rowData);
listLabel.Items.RemoveAt(preSelectedShape);
listLabel.Items.Insert(preSelectedShape, item);
}
if (!toolGetValues.Checked)
{
return;
}
Shape shp = new Shape();
if (e.button == 1) // left button
{
Shapefile sf = mapControl.get_Shapefile(mapControl.NumLayers - 1);
shp.Create(ShpfileType.SHP_POINT);
MapWinGIS.Point pnt = new MapWinGIS.Point();
double x = 0.0;
double y = 0.0;
mapControl.PixelToProj(e.x, e.y, ref x, ref y);
Console.WriteLine(x.ToString() + "," + y.ToString());
pnt.x = x;
pnt.y = y;
int index = shp.numPoints;
shp.InsertPoint(pnt, ref index);
index = sf.NumShapes;
if (!sf.EditInsertShape(shp, ref index))
{
MessageBox.Show("Failed to insert shape: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
mapControl.Redraw();
}
else
{
return;
}
int row;
int column;
double X = 0;
double Y = 0;
mapControl.PixelToProj(e.x, e.y, ref X, ref Y);
MapWinGIS.Image img = mapControl.get_Image(0);
img.ProjectionToImage(X, Y, out column, out row);
double[] vals = new double[img.NoBands];
for (int i = 1; i <= img.NoBands; i++)
{
GdalRasterBand rst = img.get_Band(i);
double pVal;
rst.get_Value(row, column, out pVal);
vals[i - 1] = pVal;
}
FormRasterValue uiRasterValues = new FormRasterValue(vals);
uiRasterValues.ShowDialog();
shp.Clear();
}
