private void ptbArea_MouseDown(object sender, MouseEventArgs e)
{
if (checkCursorEdge(new Point(e.X, e.Y)))
{
edit_g_edge(new Point(e.X, e.Y));
}
else if (!checkCursorVertex(new Point(e.X, e.Y)) && objectShape == DoiTuongVe.dinh)
{
CreateVertex(new Point(e.X, e.Y));
ptbArea.Invalidate();
}
else if (checkCursorVertex(new Point(e.X, e.Y)) && Control.ModifierKeys == Keys.Shift)
{
//di chuyen dinh
objectShape = DoiTuongVe.move;
}
else if (checkCursorVertex(new Point(e.X, e.Y)))
{
int temp = checkClickVertex(new Point(e.X, e.Y));
Vertex v = listVertex[temp];
try
{
CreateEdge(temp);
objectShape = DoiTuongVe.canh;
listEdge[listEdge.Count - 1].V2 = listVertex[temp];
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
ptbArea.Invalidate();
}
}
bool bHD = true;//show huong dan 1 lan
public Input(Form1 fm1)
{
InitializeComponent();
this.fm1 = fm1;
g = ptbArea.CreateGraphics();
objectShape = DoiTuongVe.dinh;
listVertex = new List <Vertex>();
listEdge = new List <Edge>();
txtg = new TextBox();
}
private void ptbArea_MouseUp(object sender, MouseEventArgs e)
{
//if (listEdge.Count > 0)
//{
// listEdge[listEdge.Count - 1].Point2 = new Point(e.X, e.Y);
//}
//checkDrawE = true;
if (objectShape == DoiTuongVe.canh)
{
AddEdge(new Point(e.X, e.Y));
}
objectShape = DoiTuongVe.dinh;
ptbArea.Invalidate();
}
