private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
ClearSelection();
selRect = new RectFram(toEyeToWorld(e.X, e.Y));
pView.Add(selRect);
startSelPoint = new Point2d(e.X, e.Y);
Invalidate();
selRect.setValue(toEyeToWorld(e.X + _SelectRegion, e.Y + _SelectRegion));
pView.Select(
new Point2dCollection(new Point2d[] { startSelPoint, new Point2d(e.X + _SelectRegion, e.Y + _SelectRegion) }),
new SR(selected, database.CurrentSpaceId),
startSelPoint.X < e.X
? Teigha.GraphicsSystem.SelectionMode.Window
: Teigha.GraphicsSystem.SelectionMode.Crossing);
pView.Erase(selRect);
selRect = null;
gripManager.updateSelection(selected);
helperDevice.Invalidate();
Invalidate();
}
}
else if (e.Button == MouseButtons.Right)
{
_IsMoving = true;
startSelPoint = new Point2d(e.X, e.Y);
}
}
private void DisposeCadComponent()
{
try
{
ClearSelection();
CadSelectionManager.Instance.Dispose();
if (selRect != null)
{
helperDevice.ActiveView.Erase(selRect);
}
selRect = null;
if (gripManager != null)
{
gripManager.uninit();
gripManager = null;
}
if (graphics != null)
{
graphics.Dispose();
}
if (helperDevice != null)
{
if (!helperDevice.IsDisposed)
{
helperDevice.Dispose();
helperDevice = null;
}
}
if (database != null)
{
if (!database.IsDisposed)
{
database.Dispose();
database = null;
}
}
if (dd != null)
{
dd.Dispose();
dd = null;
}
}
catch (System.Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
switch (mouseMode)
{
case Mode.DragDrop:
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
gripManager.DragFinal(new Point3d(), false);
helperDevice.Model.Invalidate(InvalidationHint.kInvalidateAll);
Invalidate();
}
break;
}
case Mode.Selection:
if (selRect != null)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
pView.Erase(selRect);
selRect = null;
}
}
break;
}
mouseMode = Mode.Quiescent;
ClearSelection();
break;
case Keys.Oemplus:
break;
case Keys.OemMinus:
break;
}
}