Search for: KB10834 - Comparative DK code in Delphi, C++ Builder, C#, Visual C++, VB.NET, VB6, and Java. Delphi code - DK for Delphi edition (FMX and VCL frameworks) procedure TForm1.GISMouseMove(Sender: TObject; Shift: TShiftState; Y: Integer); var ptg : TGIS_Point ; shp : TGIS_Shape ; begin if Gis.IeEmpty then exit ; ptg := GIS.ScreenToMap( Point(x, y ) ); shp := TGIS_Shape( GIS.Locate( ptg, 5/GIS.Zoom ) ) ; if shp = nil then StatusBar.SimpleText := '' else StatusBar.SimpleText := shp.GetField('name'); end; C++ Builder code - DK for Delphi edition (FMX and VCL frameworks) void __fastcall TForm1::GISMouseDown(TObject *Sender, TMouseButton Button, TShiftState Shift, int X, int Y) { TGIS_Point ptg ; TGIS_Shape *shp ; if ( GIS->IsEmpty ) return; ptg = GIS->ScreenToMap( Point(X, Y) ); shp = (TGIS_Shape *)( GIS->Locate( ptg, 5/GIS->Zoom, TRUE ) ) ; if (shp == NULL) StatusBar->SimpleText = "" ; else StatusBar->SimpleText = shp->GetField("name") ; } C# code - DK for .NET edition private void GIS_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { TGIS_Point ptg ; TGIS_Shape shp ; if ( GIS.IsEmpty ) return ; ptg = GIS.ScreenToMap( new Point( e.X, e.Y ) ); shp = (TGIS_Shape)GIS.Locate( ptg, 5/GIS.Zoom ) ; if ( shp == null ) statusBar1.Text = "" ; else statusBar1.Text = shp.GetField( "name" ).ToString(); } Java Swing code - DK for Java edition private void GISMouseMoved(java.awt.event.MouseEvent evt) { TGIS_Point ptg ; TGIS_Shape shp ; if ( GIS.getIsEmpty() ) return ; ptg = GIS.ScreenToMap( new TPoint( evt.getX(), evt.getY() ) ); shp = (TGIS_Shape)GIS.Locate( ptg, 5/GIS.getZoom() ) ; if ( shp == null ) jTextField.setText("") ; else jTextField.setText(shp.GetField( "name" ).ToString()); } Visual Basic 6 code - DK for ActiveX edition Private Sub GIS_OnMouseMove(translated As Boolean, ByVal shift As TatukGIS_DK.X_ShiftState, ByVal X As Long, ByVal Y As Long) Dim ptg As XGIS_Point Dim shp As XGIS_Shape If GIS.IeEmpty Then Exit Sub Set ptg = GIS.ScreenToMap(GisUtils.Point(X, Y)) Set shp = GIS.Locate(ptg, 5 / GIS.Zoom) If shp Is Nothing Then StatusBar.SimpleText = "" Else StatusBar.SimpleText = shp.GetField("name") End If End Sub Visual C++ code - DK for ActiveX edition (MFC) void CLocateDlg::OnOnMouseMove(BOOL FAR* translated, long button, long shift, long X, long Y) { IXGIS_Point ptg ; IXGIS_Shape shp ; if ( m_gis.get_IsEmpty() ) return ; ptg = m_gis.ScreenToMap( m_utils.Point( X, Y ) ) ; shp = m_gis.Locate( ptg, 5. / m_gis.get_Zoom() ) ; if ( shp.m_lpDispatch != NULL ) { var = shp.GetField( "NAME" ) ; str = var.bstrVal ; SetDlgItemText( IDC_LABEL, str ); } else { SetDlgItemText( IDC_LABEL, _T("") ); } } Visual Basic .NET code - DK for ActiveX edition Private Sub GIS_OnMouseMoveEvent(ByVal eventSender As System.Object, ByVal eventArgs As AxTatukGIS_DK.IXGIS_ViewerWndEvents_OnMouseMoveEvent) Handles GIS.OnMouseMove Dim ptg As TatukGIS_DK.IXGIS_Point Dim shp As TatukGIS_DK.IXGIS_Shape If GIS.IeEmpty() then Exit Sub ptg = GIS.ScreenToMap(GisUtils.Point(eventArgs.x, eventArgs.y)) shp = GIS.Locate(ptg, 5 / GIS.Zoom) If shp Is Nothing Then StatusBar1.Text = "" Else StatusBar1.Text = shp.GetField("name") End If End Sub C# code - DK for ActiveX edition private void GIS_OnMouseMove(object sender, AxTatukGIS_DK.IXGIS_ViewerWndEvents_OnMouseMoveEvent e) { TatukGIS_DK.XGIS_Point ptg; TatukGIS_DK.IXGIS_Shape shp; if ( GIS.IsEmpty ) return ; ptg = GIS.ScreenToMap( GisUtils.Point(e.x, e.y ) ); shp = ( TatukGIS_DK.IXGIS_Shape ) GIS.Locate( ptg, 5/GIS.Zoom , true); if( shp == null ) statusBar1.Text = ""; else statusBar1.Text = ( string ) shp.GetField("name"); } Created: March 16, 2010, Modified: March 03, 2017