public override void MouseUp(MouseEventArgs e)
{
if (this.Resizing)
{
this.Resizing = false;
POINT vNewLeftTop = new POINT();
// 缩放后的Rect的LeftTop
if (FStartPt.X < FEndPt.X)
{
vNewLeftTop.X = FStartPt.X;
}
else
{
vNewLeftTop.X = FEndPt.X;
}
if (FStartPt.Y < FEndPt.Y)
{
vNewLeftTop.Y = FStartPt.Y;
}
else
{
vNewLeftTop.Y = FEndPt.Y;
}
vNewLeftTop.X = vNewLeftTop.X - FLeftTop.X;
vNewLeftTop.Y = vNewLeftTop.Y - FLeftTop.Y;
FStartPt.Offset(-vNewLeftTop.X, -vNewLeftTop.Y);
FEndPt.Offset(-vNewLeftTop.X, -vNewLeftTop.Y);
this.Left = this.Left + vNewLeftTop.X;
this.Top = this.Top + vNewLeftTop.Y;
this.Width = Math.Abs(FEndPt.X - FStartPt.X);
this.Height = Math.Abs(FEndPt.Y - FStartPt.Y);
}
}
public override void MouseMove(MouseEventArgs e)
{
if (Active)
{
if (this.Resizing)
{
if (FMouseDownObj == HCLineObj.cloLeftOrTop)
{
FStartPt.Offset(e.X - this.FResizeX, e.Y - this.FResizeY);
}
else
{
FEndPt.Offset(e.X - this.FResizeX, e.Y - this.FResizeY);
}
this.FResizeX = e.X;
this.FResizeY = e.Y;
HC.GCursor = Cursors.Cross;
}
else
{
HCLineObj vLineObj = GetLineObjAt(e.X, e.Y);
if ((vLineObj == HCLineObj.cloLeftOrTop) || (vLineObj == HCLineObj.cloRightOrBottom))
{
HC.GCursor = Cursors.Cross;
}
else
if (vLineObj != HCLineObj.cloNone)
{
HC.GCursor = Cursors.SizeAll;
}
}
}
else
{
HC.GCursor = Cursors.Default;
}
}
