|
private DrawTabItem ( |
||
| g | The |
|
| index | int | Index of the tab being drawn. |
| state | TabItemState | State of the tab item. |
| tabRect | The |
|
| textFmt | The |
|
| Результат | void | |
protected override void WndProc(ref Message m)
{
//if native updown is destroyed we need release our hook
if (m.Msg == NativeMethods.WM_DESTROY || m.Msg == NativeMethods.WM_NCDESTROY)
{
this.ReleaseHandle();
}
else if (m.Msg == NativeMethods.WM_WINDOWPOSCHANGING)
{
//When scroller position is changed we should remember that new position.
x = ((NativeMethods.WINDOWPOS)m.GetLParam(typeof(NativeMethods.WINDOWPOS))).x;
}
else if (m.Msg == NativeMethods.WM_MOUSEMOVE && fparent.lastHotIndex > 0 &&
fparent.lastHotIndex != fparent.SelectedIndex)
{
//owerdrawing former hot tab as normal
using (Graphics context = Graphics.FromHwnd(fparent.Handle))
{
using (StringFormat textFormat = new StringFormat())
{
textFormat.Alignment = StringAlignment.Center;
textFormat.LineAlignment = StringAlignment.Center;
fparent.DrawTabItem(context, fparent.lastHotIndex, TabItemState.Normal,
fparent.GetTabRect(fparent.lastHotIndex), textFormat);
if (fparent.lastHotIndex - fparent.SelectedIndex == 1)
{
Rectangle selRect = fparent.GetTabRect(fparent.SelectedIndex);
selRect.Inflate(2, 2);
fparent.DrawTabItem(context, fparent.SelectedIndex, TabItemState.Selected, selRect, textFormat);
}
}
}
}
else if (m.Msg == NativeMethods.WM_LBUTTONDOWN)
{
Rectangle invalidRect = fparent.GetTabRect(fparent.SelectedIndex);
invalidRect.X = 0; invalidRect.Width = 2;
invalidRect.Inflate(0, 2);
fparent.Invalidate(invalidRect);
}
else if (m.Msg == NativeMethods.WM_SHOWWINDOW)
{
// If the scroll control for the labels is being hidden we need to stop
// clipping the labels.
// USUALLY we get WM_WINDOWPOSCHANGING with position 0 as well as this
// message, but not while starting up a parent control that gets laid out
// twice, first at a width that needs the scroll control and later at a width
// that does not. See FWR-1794 for one case where this can be a problem.
if (m.WParam.ToInt32() == 0) // window being hidden
{
x = 0;
}
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
//if native updown is destroyed we need release our hook
if (m.Msg == NativeMethods.WM_DESTROY || m.Msg == NativeMethods.WM_NCDESTROY)
{
this.ReleaseHandle();
}
else if (m.Msg == NativeMethods.WM_WINDOWPOSCHANGING)
{
//When scroller position is changed we should remember that new position.
x = ((NativeMethods.WINDOWPOS)m.GetLParam(typeof(NativeMethods.WINDOWPOS))).x;
}
else if (m.Msg == NativeMethods.WM_MOUSEMOVE && fparent.lastHotIndex > 0 &&
fparent.lastHotIndex != fparent.SelectedIndex)
{
//owerdrawing former hot tab as normal
using (Graphics context = Graphics.FromHwnd(fparent.Handle))
{
StringFormat textFormat = new StringFormat();
textFormat.Alignment = StringAlignment.Center;
textFormat.LineAlignment = StringAlignment.Center;
fparent.DrawTabItem(context, fparent.lastHotIndex, TabItemState.Normal,
fparent.GetTabRect(fparent.lastHotIndex), textFormat);
if (fparent.lastHotIndex - fparent.SelectedIndex == 1)
{
Rectangle selRect = fparent.GetTabRect(fparent.SelectedIndex);
selRect.Inflate(2, 2);
fparent.DrawTabItem(context, fparent.SelectedIndex, TabItemState.Selected, selRect, textFormat);
}
}
}
else if (m.Msg == NativeMethods.WM_LBUTTONDOWN)
{
Rectangle invalidRect = fparent.GetTabRect(fparent.SelectedIndex);
invalidRect.X = 0; invalidRect.Width = 2;
invalidRect.Inflate(0, 2);
fparent.Invalidate(invalidRect);
}
base.WndProc(ref m);
}
