/// <summary>
/// Moves the port on the link and optionally reconnects to a new
/// port.
/// </summary>
/// <param name="cmdTarget">Unused</param>
/// <returns>true if successful, otherwise false</returns>
/// <remarks>
/// First, any existing connections on the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.LinkPort"/>
/// are removed. Next, if the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.Points"/>
/// property is not null it is used to update link's vertices. And
/// finally, the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.LinkPort"/>
/// is connected to the
/// <see cref="Syncfusion.Windows.Forms.Diagram.MoveLinkCmd.TargetPort"/>.
/// </remarks>
public override bool Do(object cmdTarget)
{
bool success = false;
if (this.link != null && this.linkPort != null)
{
this.link.DisconnectAll(this.linkPort);
if (this.points != null)
{
IServiceProvider linkSvcProvider = this.link as IServiceProvider;
if (linkSvcProvider != null)
{
IPoints ptsObj = linkSvcProvider.GetService(typeof(IPoints)) as IPoints;
if (ptsObj != null)
{
ptsObj.SetPoints(this.points);
}
}
}
if (this.targetPort != null)
{
this.link.Connect(this.linkPort, this.targetPort);
}
}
return(success);
}
private void projective_btn_Click(object sender, EventArgs e)
{
MyPoint xEnd = new MyPoint((float)XE_x_nud.Value, (float)XE_y_nud.Value, true, (float)XE_w_nud.Value);
MyPoint yEnd = new MyPoint((float)YE_x_nud.Value, (float)YE_y_nud.Value, true, (float)YE_w_nud.Value);
MyPoint startPoint = new MyPoint((float)X0_nud.Value, (float)Y0_nud.Value, true, (float)W0_nud.Value);
if (draw.FigureExists())
{
figure.SetPoints(Transform.Projective(figure, startPoint, xEnd, yEnd));
grid.SetPoints(Transform.Projective(grid, startPoint, xEnd, yEnd));
draw.SetFigure(figure);
draw.SetGrid(grid);
showField.Image = draw.ShowDrawing();
}
}