internal void UpdateToolTip(RadItem item, Size offset)
{
if (this.ShowItemToolTips && item != this.currentlyActiveTooltipItem && this.ToolTip != null)
{
if (item == null)
{
this.ToolTip.Hide(this.ownerControl);
}
this.ToolTip.Active = false;
this.currentlyActiveTooltipItem = item;
Cursor mouseCursor = Cursor.Current;
if (this.currentlyActiveTooltipItem != null && mouseCursor != null)
{
this.ToolTip.Active = true;
Point mousePosition = Cursor.Position;
mousePosition.X += offset.Width;
mousePosition.Y += offset.Height;
Rectangle rectangle = WindowsFormsUtils.ConstrainToScreenBounds(new Rectangle(mousePosition, onePixel));
mousePosition = this.ownerControl.PointToClient(rectangle.Location);
string toolTipText = this.currentlyActiveTooltipItem.ToolTipText;
Form ownerForm = this.ownerControl.FindForm();
if (ownerForm == null)
{
ITooltipOwner owner = this.ownerControl as ITooltipOwner;
while (owner != null)
{
Control control = owner as Control;
if (control != null && owner.Owner == null)
{
mousePosition = control.PointToClient(rectangle.Location);
this.ToolTip.SetToolTip(control, toolTipText);
this.ToolTip.Show(toolTipText, control, mousePosition, this.ToolTip.AutoPopDelay);
break;
}
if (owner.Owner == null)
{
break;
}
owner = owner.Owner as ITooltipOwner;
}
}
else
{
this.ToolTip.Show(toolTipText, this.ownerControl, mousePosition, this.ToolTip.AutoPopDelay);
}
}
}
}
public CustomTooltip(ITooltipOwner owner)
{
Owner = owner;
SetStyle(
ControlStyles.Opaque | ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint | ControlStyles.ResizeRedraw,
true
);
SetStyle(
ControlStyles.Selectable | ControlStyles.SupportsTransparentBackColor, false
);
try {
BackgroundRenderer = new VisualStyleRenderer(VisualStyleElement.ToolTip.Standard.Normal);
} catch {
BackgroundRenderer = null;
}
InitializeComponent();
}
public CustomTooltip(ITooltipOwner owner)
{
Owner = owner;
SetStyle(
ControlStyles.Opaque | ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint | ControlStyles.ResizeRedraw,
true
);
SetStyle(
ControlStyles.Selectable | ControlStyles.SupportsTransparentBackColor, false
);
try {
BackgroundRenderer = new VisualStyleRenderer(VisualStyleElement.ToolTip.Standard.Normal);
} catch {
BackgroundRenderer = null;
}
InitializeComponent();
}