private void TestDrop()
{
DockOutline.FlagTestDrop = false;
DockIndicator.FullPanelEdge = ((Control.ModifierKeys & Keys.Shift) != 0);
if ((Control.ModifierKeys & Keys.Control) == 0)
{
DockIndicator.TestDrop();
if (!DockOutline.FlagTestDrop)
{
DockPane pane = DockHelper.PaneAtPoint(Control.MousePosition, DockPanel);
if (pane != null && IsDockStateValid(pane.DockState))
{
pane.TestDrop(this);
}
}
if (!DockOutline.FlagTestDrop && IsDockStateValid(DockState.Float))
{
FloatWindow floatWindow = DockHelper.FloatWindowAtPoint(Control.MousePosition, DockPanel);
if (floatWindow != null)
{
floatWindow.TestDrop(this);
}
}
}
else
{
DockIndicator.DockPane = DockHelper.PaneAtPoint(Control.MousePosition, DockPanel);
}
if (!DockOutline.FlagTestDrop)
{
if (IsDockStateValid(DockState.Float))
{
DockOutline.Show(GetFloatWindowBounds());
}
}
if (!DockOutline.FlagTestDrop)
{
User32.SetCursor(Cursors.No.Handle);
DockOutline.Show();
}
else
{
User32.SetCursor(DragControl.Cursor.Handle);
}
}
public void TestDrop()
{
Point pt = Control.MousePosition;
DockPane = DockHelper.PaneAtPoint(pt, DockPanel);
if (TestDrop(PanelLeft, pt) != DockStyle.None)
{
HitTestResult = PanelLeft;
}
else if (TestDrop(PanelRight, pt) != DockStyle.None)
{
HitTestResult = PanelRight;
}
else if (TestDrop(PanelTop, pt) != DockStyle.None)
{
HitTestResult = PanelTop;
}
else if (TestDrop(PanelBottom, pt) != DockStyle.None)
{
HitTestResult = PanelBottom;
}
else if (TestDrop(PanelFill, pt) != DockStyle.None)
{
HitTestResult = PanelFill;
}
else if (TestDrop(PaneDiamond, pt) != DockStyle.None)
{
HitTestResult = PaneDiamond;
}
else
{
HitTestResult = null;
}
if (HitTestResult != null)
{
if (HitTestResult is PaneIndicator)
{
DragHandler.DockOutline.Show(DockPane, HitTestResult.Status);
}
else
{
DragHandler.DockOutline.Show(DockPanel, HitTestResult.Status, FullPanelEdge);
}
}
}