public void Activate(ref VirtualTreeHitInfo hit, ref ExtraHitInfo extraInfo, ref Point mousePos, bool immediateActivation)
{
var hWnd = Handle.ToInt32();
if (hWnd == 0)
{
return;
}
var ctrlhWnd = Handle;
NativeMethods.SendMessage(ctrlhWnd, NativeMethods.TTM_ACTIVATE, 0, hWnd);
if (hit.Row != VirtualTreeConstant.NullIndex)
{
var ti = new NativeMethods.TOOLINFO();
ti.SetSize();
ti.uId = hWnd;
ti.uFlags = NativeMethods.TTF_IDISHWND;
ti.rect = NativeMethods.RECT.FromXYWH(
extraInfo.ClippedItemRectangle.X,
extraInfo.ClippedItemRectangle.Y,
extraInfo.ClippedItemRectangle.Width,
extraInfo.ClippedItemRectangle.Height);
NativeMethods.SendMessage(
ctrlhWnd, NativeMethods.TTM_SETDELAYTIME, NativeMethods.TTDT_INITIAL, immediateActivation ? 0 : 250);
NativeMethods.SendMessage(ctrlhWnd, NativeMethods.TTM_NEWTOOLRECT, 0, ref ti);
NativeMethods.SendMessage(ctrlhWnd, NativeMethods.TTM_ACTIVATE, 1, hWnd);
Font = extraInfo.LabelFont;
myFormat = extraInfo.LabelFormat;
myFullLabelRectangle = extraInfo.FullLabelRectangle;
myActivatingMousePos = mousePos;
}
}
protected override void CreateHandle()
{
var icc = new NativeMethods.INITCOMMONCONTROLSEX();
icc.dwICC = NativeMethods.ICC_TAB_CLASSES;
NativeMethods.InitCommonControlsEx(icc);
base.CreateHandle();
if (IsHandleCreated)
{
var ti = new NativeMethods.TOOLINFO();
ti.SetSize();
ti.uFlags = NativeMethods.TTF_IDISHWND | NativeMethods.TTF_TRANSPARENT;
ti.hwnd = myParent.Handle;
ti.uId = (int)ti.hwnd;
ti.lpszText = NativeMethods.LPSTR_TEXTCALLBACK;
NativeMethods.SendMessage(base.Handle, NativeMethods.TTM_ADDTOOL, 0, ref ti);
NativeMethods.SendMessage(base.Handle, NativeMethods.TTM_SETDELAYTIME, NativeMethods.TTDT_RESHOW, 0);
}
}
