// This is new with v6 comctrl on Vista
private void ClickSplitButton()
{
// Make sure that the control is enabled
if (!SafeNativeMethods.IsWindowEnabled(_hwnd))
{
throw new ElementNotEnabledException();
}
WindowsSysHeader parent = _parent as WindowsSysHeader;
if (parent != null)
{
parent.ScrollIntoView(this);
}
Rect rect = XSendMessage.GetItemRect(_hwnd, NativeMethods.HDM_GETITEMDROPDOWNRECT, _item);
NativeMethods.Win32Rect rectW32 = new NativeMethods.Win32Rect(rect);
IntPtr center = NativeMethods.Util.MAKELPARAM(rectW32.left + ((rectW32.right - rectW32.left) / 2), rectW32.top + ((rectW32.bottom - rectW32.top) / 2));
// click
// This code does not seem to work
Misc.ProxySendMessage(_hwnd, NativeMethods.WM_LBUTTONDOWN, new IntPtr(NativeMethods.MK_LBUTTON), center);
Misc.ProxySendMessage(_hwnd, NativeMethods.WM_LBUTTONUP, IntPtr.Zero, center);
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// Retrieves the bounding rectangle of the Status Bar Pane.
static internal Rect GetBoundingRectangle(IntPtr hwnd, int item)
{
if (!WindowsFormsHelper.IsWindowsFormsControl(hwnd))
{
return(XSendMessage.GetItemRect(hwnd, NativeMethods.SB_GETRECT, item));
}
else
{
Accessible acc = null;
if (Accessible.AccessibleObjectFromWindow(hwnd, NativeMethods.OBJID_CLIENT, ref acc) != NativeMethods.S_OK || acc == null)
{
return(Rect.Empty);
}
else
{
// OLEACC's Win32 proxy does use a 1, 2, 3... scheme, but the [....]
// controls in some cases supply their own children, using a different scheme.
// Using the "ByIndex" approach avoids having to know what the underlying
// object's idChild scheme is.
acc = Accessible.GetFullAccessibleChildByIndex(acc, item);
if (acc == null)
{
return(Rect.Empty);
}
else
{
return(acc.Location);
}
}
}
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// Returns the bounding rectangle of the control.
internal static Rect GetBoundingRectangle(IntPtr hwnd, int item)
{
return(XSendMessage.GetItemRect(hwnd, NativeMethods.TB_GETITEMRECT, item));
}