private void WmMeasureMenuItem(ref Message m)
{
System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT lParam = (System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT)m.GetLParam(typeof(System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT));
MenuItem menuItemFromItemData = MenuItem.GetMenuItemFromItemData(lParam.itemData);
if (menuItemFromItemData != null)
{
menuItemFromItemData.WmMeasureItem(ref m);
}
}
internal void WmMeasureItem(ref Message m)
{
System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT lParam = (System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT)m.GetLParam(typeof(System.Windows.Forms.NativeMethods.MEASUREITEMSTRUCT));
IntPtr dC = System.Windows.Forms.UnsafeNativeMethods.GetDC(System.Windows.Forms.NativeMethods.NullHandleRef);
Graphics graphics = Graphics.FromHdcInternal(dC);
MeasureItemEventArgs e = new MeasureItemEventArgs(graphics, this.Index);
try
{
this.OnMeasureItem(e);
}
finally
{
graphics.Dispose();
}
System.Windows.Forms.UnsafeNativeMethods.ReleaseDC(System.Windows.Forms.NativeMethods.NullHandleRef, new HandleRef(null, dC));
lParam.itemHeight = e.ItemHeight;
lParam.itemWidth = e.ItemWidth;
Marshal.StructureToPtr(lParam, m.LParam, false);
m.Result = (IntPtr)1;
}
