public void ShowControl(RadDirection popupDirection, int ownerOffset)
{
if (this.Visible)
return;
bool corected = false;
Point location = RadPopupHelper.GetValidLocationForDropDown(popupDirection,
this.Size, this.OwnerElement, ownerOffset, ref corected);
if (this.grip != null)
{
if (corected)
DockLayoutPanel.SetDock(grip, Telerik.WinControls.Layouts.Dock.Top);
else
DockLayoutPanel.SetDock(grip, Telerik.WinControls.Layouts.Dock.Bottom);
}
this.Location = location;
this.AutoUpdateBounds();
if (this.AnimationEnabled)
{
this.AnimateDropDown(true);
}
else
{
this.Show();
}
}
public static Point GetValidLocationForDropDown(
RadDirection popupDirection,
Rectangle screenRect,
Size popupSize,
Rectangle ownerRect,
int ownerOffset,
ref bool corected)
{
Point point = RadPopupHelper.CalcLocation(popupDirection, popupSize, ownerRect, ownerOffset);
Point location = point;
RadDirection correction = popupDirection;
Rectangle rectangle = new Rectangle(location, popupSize);
if (RadPopupHelper.GetCorrectingDirection(rectangle, screenRect, ref correction))
{
location = RadPopupHelper.CalcLocation(correction, popupSize, ownerRect, ownerOffset);
rectangle = new Rectangle(location, popupSize);
if (RadPopupHelper.GetCorrectingDirection(rectangle, screenRect, ref correction))
{
location = point;
}
corected = true;
}
rectangle.Location = location;
return(RadPopupHelper.EnsureBoundsInScreen(rectangle, screenRect).Location);
}
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 Screen GetScreen(Point pointInScreen)
{
Screen primaryScreen = Screen.PrimaryScreen;
for (int index = 0; index < Screen.AllScreens.Length; ++index)
{
if (RadPopupHelper.GetScreenBounds(Screen.AllScreens[index]).Contains(pointInScreen))
{
return(Screen.AllScreens[index]);
}
}
return(primaryScreen);
}
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));
}
public static bool SetVisibleCore(Control control, IntPtr parentForm)
{
RadPopupHelper.SetWindowPosition(control.Handle, parentForm);
Telerik.WinControls.NativeMethods.ShowWindow(control.Handle, 8);
return(true);
}
public static bool SetVisibleCore(Control control)
{
RadPopupHelper.SetVisibleCore(control, (IntPtr)Telerik.WinControls.NativeMethods.HWND_TOPMOST);
return(true);
}
public static void SetTopMost(IntPtr handle)
{
RadPopupHelper.SetWindowPosition(handle, (IntPtr)Telerik.WinControls.NativeMethods.HWND_TOPMOST);
}
public static Rectangle GetScreenRect(Point pointInScreen)
{
return(RadPopupHelper.GetScreenBounds(RadPopupHelper.GetScreen(pointInScreen), true));
}
