private void DrawTreeItem(string itemText, int imageIndex, IntPtr dc, System.Windows.Forms.NativeMethods.RECT rcIn, int state, int backColor, int textColor)
{
IntNativeMethods.SIZE size = new IntNativeMethods.SIZE();
IntNativeMethods.RECT lpRect = new IntNativeMethods.RECT();
IntNativeMethods.RECT rect = new IntNativeMethods.RECT(rcIn.left, rcIn.top, rcIn.right, rcIn.bottom);
ImageList imageList = base.ImageList;
IntPtr zero = IntPtr.Zero;
if ((state & 2) != 0)
{
zero = System.Windows.Forms.SafeNativeMethods.SelectObject(new HandleRef(null, dc), new HandleRef(base.Parent, base.Parent.FontHandle));
}
if (((state & 1) != 0) && (this.hbrushDither != IntPtr.Zero))
{
this.FillRectDither(dc, rcIn);
System.Windows.Forms.SafeNativeMethods.SetBkMode(new HandleRef(null, dc), 1);
}
else
{
System.Windows.Forms.SafeNativeMethods.SetBkColor(new HandleRef(null, dc), backColor);
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, 6, ref rect, null, 0, null);
}
IntUnsafeNativeMethods.GetTextExtentPoint32(new HandleRef(null, dc), itemText, size);
lpRect.left = (rect.left + 0x10) + 8;
lpRect.top = rect.top + (((rect.bottom - rect.top) - size.cy) >> 1);
lpRect.bottom = lpRect.top + size.cy;
lpRect.right = rect.right;
System.Windows.Forms.SafeNativeMethods.SetTextColor(new HandleRef(null, dc), textColor);
IntUnsafeNativeMethods.DrawText(new HandleRef(null, dc), itemText, ref lpRect, 0x8804);
System.Windows.Forms.SafeNativeMethods.ImageList_Draw(new HandleRef(imageList, imageList.Handle), imageIndex, new HandleRef(null, dc), 4, rect.top + (((rect.bottom - rect.top) - 0x10) >> 1), 1);
if ((state & 2) != 0)
{
int clr = System.Windows.Forms.SafeNativeMethods.SetBkColor(new HandleRef(null, dc), ColorTranslator.ToWin32(SystemColors.ControlLightLight));
lpRect.left = rect.left;
lpRect.top = rect.top;
lpRect.bottom = rect.top + 1;
lpRect.right = rect.right;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, 2, ref lpRect, null, 0, null);
lpRect.bottom = rect.bottom;
lpRect.right = rect.left + 1;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, 2, ref lpRect, null, 0, null);
System.Windows.Forms.SafeNativeMethods.SetBkColor(new HandleRef(null, dc), ColorTranslator.ToWin32(SystemColors.ControlDark));
lpRect.left = rect.left;
lpRect.right = rect.right;
lpRect.top = rect.bottom - 1;
lpRect.bottom = rect.bottom;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, 2, ref lpRect, null, 0, null);
lpRect.left = rect.right - 1;
lpRect.top = rect.top;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, 2, ref lpRect, null, 0, null);
System.Windows.Forms.SafeNativeMethods.SetBkColor(new HandleRef(null, dc), clr);
}
if (zero != IntPtr.Zero)
{
System.Windows.Forms.SafeNativeMethods.SelectObject(new HandleRef(null, dc), new HandleRef(null, zero));
}
}
private void DrawTreeItem(string itemText, int imageIndex, IntPtr dc, NativeMethods.RECT rcIn,
int state, int backColor, int textColor)
{
IntNativeMethods.SIZE size = new IntNativeMethods.SIZE();
IntNativeMethods.RECT rc2 = new IntNativeMethods.RECT();
IntNativeMethods.RECT rc = new IntNativeMethods.RECT(rcIn.left, rcIn.top, rcIn.right, rcIn.bottom);
ImageList imagelist = this.ImageList;
IntPtr hfontOld = IntPtr.Zero;
// Select the font of the dialog, so we don't get the underlined font
// when the item is being tracked
if ((state & STATE_HOT) != 0)
{
hfontOld = SafeNativeMethods.SelectObject(new HandleRef(null, dc), new HandleRef(Parent, ((Control)Parent).FontHandle));
}
// Fill the background
if (((state & STATE_SELECTED) != 0) && (hbrushDither != IntPtr.Zero))
{
FillRectDither(dc, rcIn);
SafeNativeMethods.SetBkMode(new HandleRef(null, dc), NativeMethods.TRANSPARENT);
}
else
{
SafeNativeMethods.SetBkColor(new HandleRef(null, dc), backColor);
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, NativeMethods.ETO_CLIPPED | NativeMethods.ETO_OPAQUE, ref rc, null, 0, null);
}
// Get the height of the font
IntUnsafeNativeMethods.GetTextExtentPoint32(new HandleRef(null, dc), itemText, size);
// Draw the caption
rc2.left = rc.left + SIZE_ICON_X + 2 * PADDING_HORZ;
rc2.top = rc.top + (((rc.bottom - rc.top) - size.cy) >> 1);
rc2.bottom = rc2.top + size.cy;
rc2.right = rc.right;
SafeNativeMethods.SetTextColor(new HandleRef(null, dc), textColor);
IntUnsafeNativeMethods.DrawText(new HandleRef(null, dc), itemText, ref rc2,
IntNativeMethods.DT_LEFT | IntNativeMethods.DT_VCENTER | IntNativeMethods.DT_END_ELLIPSIS | IntNativeMethods.DT_NOPREFIX);
SafeNativeMethods.ImageList_Draw(new HandleRef(imagelist, imagelist.Handle), imageIndex, new HandleRef(null, dc),
PADDING_HORZ, rc.top + (((rc.bottom - rc.top) - SIZE_ICON_Y) >> 1),
NativeMethods.ILD_TRANSPARENT);
// Draw the hot-tracking border if needed
if ((state & STATE_HOT) != 0)
{
int savedColor;
// top left
savedColor = SafeNativeMethods.SetBkColor(new HandleRef(null, dc), ColorTranslator.ToWin32(SystemColors.ControlLightLight));
rc2.left = rc.left;
rc2.top = rc.top;
rc2.bottom = rc.top + 1;
rc2.right = rc.right;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, NativeMethods.ETO_OPAQUE, ref rc2, null, 0, null);
rc2.bottom = rc.bottom;
rc2.right = rc.left + 1;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, NativeMethods.ETO_OPAQUE, ref rc2, null, 0, null);
// bottom right
SafeNativeMethods.SetBkColor(new HandleRef(null, dc), ColorTranslator.ToWin32(SystemColors.ControlDark));
rc2.left = rc.left;
rc2.right = rc.right;
rc2.top = rc.bottom - 1;
rc2.bottom = rc.bottom;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, NativeMethods.ETO_OPAQUE, ref rc2, null, 0, null);
rc2.left = rc.right - 1;
rc2.top = rc.top;
IntUnsafeNativeMethods.ExtTextOut(new HandleRef(null, dc), 0, 0, NativeMethods.ETO_OPAQUE, ref rc2, null, 0, null);
SafeNativeMethods.SetBkColor(new HandleRef(null, dc), savedColor);
}
if (hfontOld != IntPtr.Zero)
{
SafeNativeMethods.SelectObject(new HandleRef(null, dc), new HandleRef(null, hfontOld));
}
}