private void RegisterBorderEvents(DirectionOfResize DirectionOfResize, FrameworkElement border)
{
border.MouseLeftButtonDown += (sender, e) =>
{
Point cursorLocation = e.GetPosition(window);
Point cursorOffset = new Point();
switch (DirectionOfResize)
{
case DirectionOfResize.Left:
cursorOffset.X = cursorLocation.X;
break;
case DirectionOfResize.TopLeft:
cursorOffset.X = cursorLocation.X;
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.Top:
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.TopRight:
cursorOffset.X = (window.Width - cursorLocation.X);
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.Right:
cursorOffset.X = (window.Width - cursorLocation.X);
break;
case DirectionOfResize.BottomRight:
cursorOffset.X = (window.Width - cursorLocation.X);
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
case DirectionOfResize.Bottom:
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
case DirectionOfResize.BottomLeft:
cursorOffset.X = cursorLocation.X;
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
}
this.cursorOffset = cursorOffset;
border.CaptureMouse();
};
border.MouseMove += (sender, e) =>
{
if (border.IsMouseCaptured)
{
window.SizeToContent = SizeToContent.Manual;
Point cursorLocation = e.GetPosition(window);
double nHorizontalChange = (cursorLocation.X - cursorOffset.X);
double pHorizontalChange = (cursorLocation.X + cursorOffset.X);
double nVerticalChange = (cursorLocation.Y - cursorOffset.Y);
double pVerticalChange = (cursorLocation.Y + cursorOffset.Y);
switch (DirectionOfResize)
{
case DirectionOfResize.Left:
if (window.Width - nHorizontalChange <= window.MinWidth)
{
break;
}
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
break;
case DirectionOfResize.TopLeft:
if (window.Width - nHorizontalChange <= window.MinWidth)
{
break;
}
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
if (window.Height - nVerticalChange <= window.MinHeight)
{
break;
}
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.Top:
if (window.Height - nVerticalChange <= window.MinHeight)
{
break;
}
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.TopRight:
if (pHorizontalChange <= window.MinWidth)
{
break;
}
window.Width = pHorizontalChange;
if (window.Height - nVerticalChange <= window.MinHeight)
{
break;
}
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.Right:
if (pHorizontalChange <= window.MinWidth)
{
break;
}
window.Width = pHorizontalChange;
break;
case DirectionOfResize.BottomRight:
if (pHorizontalChange <= window.MinWidth)
{
break;
}
window.Width = pHorizontalChange;
if (pVerticalChange <= window.MinHeight)
{
break;
}
window.Height = pVerticalChange;
break;
case DirectionOfResize.Bottom:
if (pVerticalChange <= window.MinHeight)
{
break;
}
window.Height = pVerticalChange;
break;
case DirectionOfResize.BottomLeft:
if (window.Width - nHorizontalChange <= window.MinWidth)
{
break;
}
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
if (pVerticalChange <= window.MinHeight)
{
break;
}
window.Height = pVerticalChange;
break;
}
}
};
border.MouseLeftButtonUp += (sender, e) =>
{
border.ReleaseMouseCapture();
};
}
private void RegisterBorderEvents(DirectionOfResize DirectionOfResize, FrameworkElement border)
{
border.MouseLeftButtonDown += (sender, e) =>
{
Point cursorLocation = e.GetPosition(window);
Point cursorOffset = new Point();
switch (DirectionOfResize)
{
case DirectionOfResize.Left:
cursorOffset.X = cursorLocation.X;
break;
case DirectionOfResize.TopLeft:
cursorOffset.X = cursorLocation.X;
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.Top:
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.TopRight:
cursorOffset.X = (window.Width - cursorLocation.X);
cursorOffset.Y = cursorLocation.Y;
break;
case DirectionOfResize.Right:
cursorOffset.X = (window.Width - cursorLocation.X);
break;
case DirectionOfResize.BottomRight:
cursorOffset.X = (window.Width - cursorLocation.X);
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
case DirectionOfResize.Bottom:
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
case DirectionOfResize.BottomLeft:
cursorOffset.X = cursorLocation.X;
cursorOffset.Y = (window.Height - cursorLocation.Y);
break;
}
this.cursorOffset = cursorOffset;
border.CaptureMouse();
};
border.MouseMove += (sender, e) =>
{
if (border.IsMouseCaptured)
{
window.SizeToContent = SizeToContent.Manual;
Point cursorLocation = e.GetPosition(window);
double nHorizontalChange = (cursorLocation.X - cursorOffset.X);
double pHorizontalChange = (cursorLocation.X + cursorOffset.X);
double nVerticalChange = (cursorLocation.Y - cursorOffset.Y);
double pVerticalChange = (cursorLocation.Y + cursorOffset.Y);
switch (DirectionOfResize)
{
case DirectionOfResize.Left:
if (window.Width - nHorizontalChange <= window.MinWidth)
break;
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
break;
case DirectionOfResize.TopLeft:
if (window.Width - nHorizontalChange <= window.MinWidth)
break;
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
if (window.Height - nVerticalChange <= window.MinHeight)
break;
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.Top:
if (window.Height - nVerticalChange <= window.MinHeight)
break;
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.TopRight:
if (pHorizontalChange <= window.MinWidth)
break;
window.Width = pHorizontalChange;
if (window.Height - nVerticalChange <= window.MinHeight)
break;
window.Top += nVerticalChange;
window.Height -= nVerticalChange;
break;
case DirectionOfResize.Right:
if (pHorizontalChange <= window.MinWidth)
break;
window.Width = pHorizontalChange;
break;
case DirectionOfResize.BottomRight:
if (pHorizontalChange <= window.MinWidth)
break;
window.Width = pHorizontalChange;
if (pVerticalChange <= window.MinHeight)
break;
window.Height = pVerticalChange;
break;
case DirectionOfResize.Bottom:
if (pVerticalChange <= window.MinHeight)
break;
window.Height = pVerticalChange;
break;
case DirectionOfResize.BottomLeft:
if (window.Width - nHorizontalChange <= window.MinWidth)
break;
window.Left += nHorizontalChange;
window.Width -= nHorizontalChange;
if (pVerticalChange <= window.MinHeight)
break;
window.Height = pVerticalChange;
break;
}
}
};
border.MouseLeftButtonUp += (sender, e) =>
{
border.ReleaseMouseCapture();
};
}
