private unsafe void CustomDraw(ref Message m)
{
bool flag = false;
bool drawDefault = false;
try
{
int dwItemSpec;
Rectangle itemRectOrEmpty;
System.Windows.Forms.NativeMethods.NMLVCUSTOMDRAW* lParam = (System.Windows.Forms.NativeMethods.NMLVCUSTOMDRAW*) m.LParam;
switch (lParam->nmcd.dwDrawStage)
{
case 1:
if (this.OwnerDraw)
{
m.Result = (IntPtr) 0x20;
}
else
{
m.Result = (IntPtr) 0x22;
this.odCacheBackColor = this.BackColor;
this.odCacheForeColor = this.ForeColor;
this.odCacheFont = this.Font;
this.odCacheFontHandle = base.FontHandle;
if (lParam->dwItemType == 1)
{
if (this.odCacheFontHandleWrapper != null)
{
this.odCacheFontHandleWrapper.Dispose();
}
this.odCacheFont = new Font(this.odCacheFont, FontStyle.Bold);
this.odCacheFontHandleWrapper = new Control.FontHandleWrapper(this.odCacheFont);
this.odCacheFontHandle = this.odCacheFontHandleWrapper.Handle;
System.Windows.Forms.SafeNativeMethods.SelectObject(new HandleRef(lParam->nmcd, lParam->nmcd.hdc), new HandleRef(this.odCacheFontHandleWrapper, this.odCacheFontHandleWrapper.Handle));
m.Result = (IntPtr) 2;
}
}
return;
case 0x10001:
dwItemSpec = (int) lParam->nmcd.dwItemSpec;
itemRectOrEmpty = this.GetItemRectOrEmpty(dwItemSpec);
if (!base.ClientRectangle.IntersectsWith(itemRectOrEmpty))
{
return;
}
if (this.OwnerDraw)
{
Graphics graphics = Graphics.FromHdcInternal(lParam->nmcd.hdc);
DrawListViewItemEventArgs e = null;
try
{
e = new DrawListViewItemEventArgs(graphics, this.Items[(int) lParam->nmcd.dwItemSpec], itemRectOrEmpty, (int) lParam->nmcd.dwItemSpec, (ListViewItemStates) lParam->nmcd.uItemState);
this.OnDrawItem(e);
}
finally
{
graphics.Dispose();
}
drawDefault = e.DrawDefault;
if (this.viewStyle == System.Windows.Forms.View.Details)
{
m.Result = (IntPtr) 0x20;
}
else if (!e.DrawDefault)
{
m.Result = (IntPtr) 4;
}
if (!e.DrawDefault)
{
return;
}
}
if ((this.viewStyle == System.Windows.Forms.View.Details) || (this.viewStyle == System.Windows.Forms.View.Tile))
{
m.Result = (IntPtr) 0x22;
flag = true;
}
break;
case 0x30001:
break;
default:
goto Label_06C1;
}
dwItemSpec = (int) lParam->nmcd.dwItemSpec;
itemRectOrEmpty = this.GetItemRectOrEmpty(dwItemSpec);
if (base.ClientRectangle.IntersectsWith(itemRectOrEmpty))
{
if (this.OwnerDraw && !drawDefault)
{
Graphics graphics2 = Graphics.FromHdcInternal(lParam->nmcd.hdc);
DrawListViewSubItemEventArgs args2 = null;
bool flag3 = true;
try
{
if (lParam->iSubItem < this.Items[dwItemSpec].SubItems.Count)
{
Rectangle subItemRect = this.GetSubItemRect(dwItemSpec, lParam->iSubItem);
if ((lParam->iSubItem == 0) && (this.Items[dwItemSpec].SubItems.Count > 1))
{
subItemRect.Width = this.columnHeaders[0].Width;
}
if (base.ClientRectangle.IntersectsWith(subItemRect))
{
args2 = new DrawListViewSubItemEventArgs(graphics2, subItemRect, this.Items[dwItemSpec], this.Items[dwItemSpec].SubItems[lParam->iSubItem], dwItemSpec, lParam->iSubItem, this.columnHeaders[lParam->iSubItem], (ListViewItemStates) lParam->nmcd.uItemState);
this.OnDrawSubItem(args2);
flag3 = !args2.DrawDefault;
}
}
}
finally
{
graphics2.Dispose();
}
if (flag3)
{
m.Result = (IntPtr) 4;
return;
}
}
ListViewItem item = this.Items[(int) lParam->nmcd.dwItemSpec];
if (flag && item.UseItemStyleForSubItems)
{
m.Result = (IntPtr) 2;
}
int uItemState = lParam->nmcd.uItemState;
if (!this.HideSelection && ((this.GetItemState((int) lParam->nmcd.dwItemSpec) & 2) == 0))
{
uItemState &= -2;
}
int num4 = ((lParam->nmcd.dwDrawStage & 0x20000) != 0) ? lParam->iSubItem : 0;
Font font = null;
Color empty = Color.Empty;
Color backColor = Color.Empty;
bool flag4 = false;
bool flag5 = false;
if ((item != null) && (num4 < item.SubItems.Count))
{
flag4 = true;
if (((num4 == 0) && ((uItemState & 0x40) != 0)) && this.HotTracking)
{
flag5 = true;
font = new Font(item.SubItems[0].Font, FontStyle.Underline);
}
else
{
font = item.SubItems[num4].Font;
}
if ((num4 > 0) || ((uItemState & 0x47) == 0))
{
empty = item.SubItems[num4].ForeColor;
backColor = item.SubItems[num4].BackColor;
}
}
Color c = Color.Empty;
Color color4 = Color.Empty;
if (flag4)
{
c = empty;
color4 = backColor;
}
bool flag6 = true;
if (!base.Enabled)
{
flag6 = false;
}
else if (((this.activation == ItemActivation.OneClick) || (this.activation == ItemActivation.TwoClick)) && ((uItemState & 0x47) != 0))
{
flag6 = false;
}
if (flag6)
{
if (!flag4 || c.IsEmpty)
{
lParam->clrText = ColorTranslator.ToWin32(this.odCacheForeColor);
}
else
{
lParam->clrText = ColorTranslator.ToWin32(c);
}
if (lParam->clrText == ColorTranslator.ToWin32(SystemColors.HotTrack))
{
int num5 = 0;
bool flag7 = false;
int num6 = 0xff0000;
do
{
int num7 = lParam->clrText & num6;
if ((num7 != 0) || (num6 == 0xff))
{
int num8 = 0x10 - num5;
if (num7 == num6)
{
num7 = ((num7 >> (num8 & 0x1f)) - 1) << num8;
}
else
{
num7 = ((num7 >> (num8 & 0x1f)) + 1) << num8;
}
lParam->clrText = (lParam->clrText & ~num6) | num7;
flag7 = true;
}
else
{
num6 = num6 >> 8;
num5 += 8;
}
}
while (!flag7);
}
if (!flag4 || color4.IsEmpty)
{
lParam->clrTextBk = ColorTranslator.ToWin32(this.odCacheBackColor);
}
else
{
lParam->clrTextBk = ColorTranslator.ToWin32(color4);
}
}
if (!flag4 || (font == null))
{
if (this.odCacheFont != null)
{
System.Windows.Forms.SafeNativeMethods.SelectObject(new HandleRef(lParam->nmcd, lParam->nmcd.hdc), new HandleRef(null, this.odCacheFontHandle));
}
}
else
{
if (this.odCacheFontHandleWrapper != null)
{
this.odCacheFontHandleWrapper.Dispose();
}
this.odCacheFontHandleWrapper = new Control.FontHandleWrapper(font);
System.Windows.Forms.SafeNativeMethods.SelectObject(new HandleRef(lParam->nmcd, lParam->nmcd.hdc), new HandleRef(this.odCacheFontHandleWrapper, this.odCacheFontHandleWrapper.Handle));
}
if (!flag)
{
m.Result = (IntPtr) 2;
}
if (flag5)
{
font.Dispose();
}
}
return;
Label_06C1:
m.Result = IntPtr.Zero;
}
catch (Exception)
{
m.Result = IntPtr.Zero;
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (this.imageListSmall != null)
{
this.imageListSmall.Disposed -= new EventHandler(this.DetachImageList);
this.imageListSmall = null;
}
if (this.imageListLarge != null)
{
this.imageListLarge.Disposed -= new EventHandler(this.DetachImageList);
this.imageListLarge = null;
}
if (this.imageListState != null)
{
this.imageListState.Disposed -= new EventHandler(this.DetachImageList);
this.imageListState = null;
}
if (this.columnHeaders != null)
{
for (int i = this.columnHeaders.Length - 1; i >= 0; i--)
{
this.columnHeaders[i].OwnerListview = null;
this.columnHeaders[i].Dispose();
}
this.columnHeaders = null;
}
this.Items.Clear();
if (this.odCacheFontHandleWrapper != null)
{
this.odCacheFontHandleWrapper.Dispose();
this.odCacheFontHandleWrapper = null;
}
if (!string.IsNullOrEmpty(this.backgroundImageFileName) || (this.bkImgFileNames != null))
{
new FileIOPermission(PermissionState.Unrestricted).Assert();
try
{
FileInfo info;
if (!string.IsNullOrEmpty(this.backgroundImageFileName))
{
info = new FileInfo(this.backgroundImageFileName);
try
{
info.Delete();
}
catch (IOException)
{
}
this.backgroundImageFileName = string.Empty;
}
for (int j = 0; j <= this.bkImgFileNamesCount; j++)
{
info = new FileInfo(this.bkImgFileNames[j]);
try
{
info.Delete();
}
catch (IOException)
{
}
}
this.bkImgFileNames = null;
this.bkImgFileNamesCount = -1;
}
finally
{
PermissionSet.RevertAssert();
}
}
}
base.Dispose(disposing);
}
protected override void OnFontChanged(EventArgs e)
{
base.OnFontChanged(e);
this.prefHeightCache = -1;
base.Height = this.PreferredHeight;
if (this.calendarFont == null)
{
this.calendarFontHandleWrapper = null;
this.SetControlCalendarFont();
}
}
