private void UpdateBand(CommandBar commandBar)
{
if (this.IsHandleCreated)
{
this.BeginUpdate();
for (int i = 0; i < this.commandBars.Count; i++)
{
NativeMethods.REBARBANDINFO rbbi = new NativeMethods.REBARBANDINFO();
rbbi.cbSize = Marshal.SizeOf(typeof(NativeMethods.REBARBANDINFO));
rbbi.fMask = NativeMethods.RBBIM_STYLE | NativeMethods.RBBIM_ID | NativeMethods.RBBIM_TEXT | NativeMethods.RBBIM_STYLE | NativeMethods.RBBIM_CHILD | NativeMethods.RBBIM_SIZE | NativeMethods.RBBIM_CHILDSIZE | NativeMethods.RBBIM_IDEALSIZE;
NativeMethods.SendMessage(this.Handle, NativeMethods.RB_GETBANDINFO, i, ref rbbi);
if (commandBar.Handle == rbbi.hwndChild)
{
if ((rbbi.cyMinChild != commandBar.Height) || (rbbi.cx != commandBar.Width) || (rbbi.cxIdeal != commandBar.Width))
{
rbbi.cyMinChild = commandBar.Height;
rbbi.cx = commandBar.Width;
rbbi.cxIdeal = commandBar.Width;
NativeMethods.SendMessage(this.Handle, NativeMethods.RB_SETBANDINFO, i, ref rbbi);
}
}
}
this.UpdateSize();
this.EndUpdate();
}
}
private NativeMethods.REBARBANDINFO CreateBandInfo(int index)
{
CommandBar commandBar = this.commandBars[index];
NativeMethods.REBARBANDINFO rbbi = new NativeMethods.REBARBANDINFO();
rbbi.cbSize = Marshal.SizeOf(typeof(NativeMethods.REBARBANDINFO));
rbbi.fMask = 0;
rbbi.clrFore = 0;
rbbi.clrBack = 0;
rbbi.iImage = 0;
rbbi.hbmBack = IntPtr.Zero;
rbbi.lParam = 0;
rbbi.cxHeader = 0;
rbbi.fMask |= NativeMethods.RBBIM_ID;
rbbi.wID = 0xEB00 + index;
if ((commandBar.Text != null) && (commandBar.Text.Length != 0))
{
rbbi.fMask |= NativeMethods.RBBIM_TEXT;
rbbi.lpText = Marshal.StringToHGlobalUni(commandBar.Text);
rbbi.cch = (commandBar.Text == null) ? 0 : commandBar.Text.Length;
}
rbbi.fMask |= NativeMethods.RBBIM_STYLE;
rbbi.fStyle = NativeMethods.RBBS_CHILDEDGE | NativeMethods.RBBS_FIXEDBMP | NativeMethods.RBBS_GRIPPERALWAYS;
rbbi.fStyle |= NativeMethods.RBBS_BREAK;
rbbi.fStyle |= NativeMethods.RBBS_USECHEVRON;
rbbi.fMask |= NativeMethods.RBBIM_CHILD;
rbbi.hwndChild = commandBar.Handle;
rbbi.fMask |= NativeMethods.RBBIM_CHILDSIZE;
rbbi.cyMinChild = commandBar.Height;
rbbi.cxMinChild = 0;
rbbi.cyChild = 0;
rbbi.cyMaxChild = commandBar.Height;
rbbi.cyIntegral = commandBar.Height;
rbbi.fMask |= NativeMethods.RBBIM_SIZE;
rbbi.cx = commandBar.Width;
rbbi.fMask |= NativeMethods.RBBIM_IDEALSIZE;
rbbi.cxIdeal = commandBar.Width;
return(rbbi);
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
this.ReleaseBands();
this.BeginUpdate();
for (int i = 0; i < this.commandBars.Count; i++)
{
NativeMethods.REBARBANDINFO bandInfo = this.CreateBandInfo(i);
NativeMethods.SendMessage(this.Handle, NativeMethods.RB_INSERTBAND, i, ref bandInfo);
}
this.UpdateSize();
this.EndUpdate();
this.CaptureBands();
}
