void _ResizeChangedMethod(object sender, ResizeEventArgs e)
{
if (null != ResizeChanged)
{
ResizeChanged(sender, e);
}
}
/// <summary>
/// 移动事件处理方法
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void triggerPart_MouseMove(object sender, MouseEventArgs e)
{
if (this.startMoving)
{
ResizeEventArgs args = new ResizeEventArgs();
//if (null == ParentCtr)
//{
// ParentCtr = resizePart.Parent as Panel;
//}
Point curMousePos = e.GetPosition(ParentCtr);//画布的位置
args.CurPoint = curMousePos;
args.DragDirection = triggerPart.Location;
double top = (double)this.resizePart.GetValue(Canvas.TopProperty);
double left = (double)this.resizePart.GetValue(Canvas.LeftProperty);
double xValue = curMousePos.X - this.prevMousePos.X; //-->X轴坐标 水平
double yValue = curMousePos.Y - this.prevMousePos.Y; //-->Y轴坐标 垂直
double Height = this.resizePart.Height; //-->高
double Width = this.resizePart.Width; //-->底
switch (triggerPart.Location)
{
case AuchorLocation.右:
//-->xValue >0; y < 0;
//-->控件大小x变大，y变大
//-->控件的位置top变小，left不变
Width += xValue;
Height -= yValue;
top += yValue;
//top = (double)this.resizePart.GetValue(Canvas.TopProperty) + yValue;
//this.resizePart.SetValue(Canvas.TopProperty, top);
break;
case AuchorLocation.中:
//-->控件x不变，y变大
//-->top变小，left不变
Height -= yValue;
top += yValue;
//top = (double)this.resizePart.GetValue(Canvas.TopProperty) + yValue;
//this.resizePart.SetValue(Canvas.TopProperty, top);
break;
case AuchorLocation.左:
//-->控件的坐标x变小、y变小，控件大小是增加 x+width、y+height
//--> xValue = 10 - 20 = -10;
Width -= xValue;
Height -= yValue;
top += yValue;
left += xValue;
//top = (double)this.resizePart.GetValue(Canvas.TopProperty) + yValue;
//left = (double)this.resizePart.GetValue(Canvas.LeftProperty) + xValue;
//this.resizePart.SetValue(Canvas.TopProperty, top);
//this.resizePart.SetValue(Canvas.LeftProperty, left);
break;
case AuchorLocation.右:
Width += xValue;
Height += yValue;
break;
case AuchorLocation.中:
Height += yValue;
break;
case AuchorLocation.左:
Width -= xValue;
Height += yValue;
left += xValue;
//left = (double)this.resizePart.GetValue(Canvas.LeftProperty) + xValue;
//this.resizePart.SetValue(Canvas.LeftProperty, left);
break;
case AuchorLocation.右中:
//-->X轴发生变化
Width += xValue;
break;
case AuchorLocation.左中:
//-->X轴的值变大,宽变大或变小
Width -= xValue;
left += xValue;
//left = (double)this.resizePart.GetValue(Canvas.LeftProperty) + xValue;
//this.resizePart.SetValue(Canvas.LeftProperty, left);
break;
}
//Width = (int)Width;
//Height = (int)Height;
if (Width > 16)
{
this.resizePart.Width = Width;
}
else
{
this.resizePart.Width = 16;
}
if (Height > 16)
{
this.resizePart.Height = Height;
}
else
{
this.resizePart.Height = 16;
}
//top = (int)top;
//left = (int)left;
this.resizePart.SetValue(Canvas.TopProperty, top);
this.resizePart.SetValue(Canvas.LeftProperty, left);
this.prevMousePos = curMousePos;
_ResizeChangedMethod(this, null);
}
}
