public virtual void ShowDropDown(Point location)
{
Rectangle screenRect = RadPopupHelper.GetScreenRect((RadElement)this);
Rectangle rectangle = RadPopupHelper.EnsureBoundsInScreen(new Rectangle(location, this.menu.Size), screenRect);
this.menu.RightToLeft = this.RightToLeft ? RightToLeft.Yes : RightToLeft.No;
this.menu.Show(rectangle.Location);
}
/// <summary>
/// Shows the drop down menu at given location
/// </summary>
/// <param name="location">The upper left corner of the drop down in screen coordinates</param>
public virtual void ShowDropDown(Point location)
{
Rectangle screenRect = RadPopupHelper.GetScreenRect(this);
Rectangle popupRect = new Rectangle(location, this.menu.Size);
Rectangle bounds = RadPopupHelper.EnsureBoundsInScreen(popupRect, screenRect);
this.menu.RightToLeft = (this.RightToLeft) ? System.Windows.Forms.RightToLeft.Yes : System.Windows.Forms.RightToLeft.No;
this.menu.Show(bounds.Location);
}
public static Rectangle GetScreenRect(RadElement elementOnScreen)
{
Rectangle rectangle = RadPopupHelper.GetScreenBounds(Screen.PrimaryScreen);
if (elementOnScreen != null && elementOnScreen.ElementTree != null && elementOnScreen.ElementTree != null)
{
Point point = new Point(elementOnScreen.Size.Width / 2, elementOnScreen.Size.Height / 2);
Point control = elementOnScreen.PointToControl(point);
rectangle = RadPopupHelper.GetScreenRect(elementOnScreen.ElementTree.Control.PointToScreen(control));
}
return(rectangle);
}
public static Point GetValidLocationForContextMenu(
RadDirection popupDirection,
Point location,
Size popupSize,
ref bool corected)
{
Rectangle screenRect = RadPopupHelper.GetScreenRect(location);
Rectangle rectangle = new Rectangle(location, popupSize);
Point point = location;
switch (popupDirection)
{
case RadDirection.Left:
location = new Point(rectangle.Left - popupSize.Width, rectangle.Top);
break;
case RadDirection.Up:
location = new Point(rectangle.Left, rectangle.Top - popupSize.Height);
break;
}
if (RadPopupHelper.GetCorrectingDirection(rectangle, screenRect, ref popupDirection))
{
switch (popupDirection)
{
case RadDirection.Left:
location = new Point(rectangle.Left - popupSize.Width, rectangle.Top);
break;
case RadDirection.Right:
location = new Point(rectangle.Right, rectangle.Top);
break;
case RadDirection.Up:
location = new Point(rectangle.Left, rectangle.Top - popupSize.Height);
break;
case RadDirection.Down:
location = new Point(rectangle.Left, rectangle.Bottom);
break;
}
rectangle = new Rectangle(location, popupSize);
if (RadPopupHelper.GetCorrectingDirection(rectangle, screenRect, ref popupDirection))
{
location = point;
}
corected = true;
}
rectangle.Location = location;
rectangle = RadPopupHelper.EnsureBoundsInScreen(rectangle, screenRect);
return(rectangle.Location);
}
public static Point GetValidLocationForDropDown(
RadDirection popupDirection,
Size popupSize,
RadElement owner,
int ownerOffset,
ref bool corected)
{
Rectangle screenRect = RadPopupHelper.GetScreenRect(owner);
Rectangle rectangle = owner.ControlBoundingRectangle;
if (owner.ElementTree != null)
{
rectangle = owner.ElementTree.Control.RectangleToScreen(rectangle);
}
return(RadPopupHelper.GetValidLocationForDropDown(popupDirection, screenRect, popupSize, rectangle, ownerOffset, ref corected));
}
