public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.CP_BACKGROUND:
case Parts.CP_CUEBANNER:
return(RenderBackground(ctx, prect));
case Parts.CP_BORDER:
return(RenderBorder(ctx, stateid, prect));
case Parts.CP_DROPDOWNBUTTON:
case Parts.CP_DROPDOWNBUTTONRIGHT:
case Parts.CP_DROPDOWNBUTTONLEFT:
return(RenderDropDownButton(ctx, (State.DropDown)stateid, prect));
case Parts.CP_READONLY:
return(RenderReadonlyDropDown(ctx, stateid, prect));
// case Parts.CP_TRANSPARENTBACKGROUND:
default:
return(Unhandled);
}
}
public virtual int RenderBackgroundEx(
IntPtr htheme, IntPtr hdc,
int partid, int stateid,
NativeMethods.RECTCLS prect, ref NativeMethods.DTBGOPTS poptions)
{
return(Unhandled);
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.LVP_GROUPHEADERLINE:
return(RenderGroupHeaderLine(ctx, prect));
case Parts.LVP_EXPANDBUTTON:
return(RenderExpandButton(ctx, (State.ExpandButton)stateid, prect));
case Parts.LVP_COLLAPSEBUTTON:
return(RenderCollapseButton(ctx, (State.CollapseButton)stateid, prect));
case Parts.LVP_LISTITEM:
return(RenderItemBackground(ctx, (State.ListItem)stateid, prect));
case Parts.LVP_COLUMNDETAIL:
return(RenderColumnDetail(ctx, prect));
default:
return(Unhandled);
}
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.BP_GROUPBOX:
RenderGroupBox(ctx, prect);
return(Handled);
case Parts.BP_PUSHBUTTON:
RenderPushButton(ctx, (State.Push)stateid, prect);
return(Handled);
case Parts.BP_CHECKBOX:
return(RenderCheckBox(ctx, (State.CheckBox)stateid, prect));
case Parts.BP_RADIOBUTTON:
RenderRadio(ctx, (State.Radio)stateid, prect);
break;
default:
return(Unhandled);
}
return(Handled);
}
public override int RenderBackground(IntPtr hdc, int partId, int stateId, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
return((Parts)partId switch
{
Parts.SPNP_UP => RenderUpButton(ctx, stateId, prect),
Parts.SPNP_DOWN => RenderDownButton(ctx, stateId, prect),
_ => Unhandled
});
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
return((Parts)partid switch
{
Parts.EP_EDITTEXT => RenderEditText(ctx, stateid, prect),
Parts.EP_EDITBORDER_NOSCROLL => RenderEditBorderNoScroll(ctx, stateid, prect),
_ => Unhandled
});
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
return((Parts)partid switch
{
Parts.TVP_GLYPH => RenderGlyph(ctx, (State.Glyph)stateid, prect),
Parts.TVP_HOTGLYPH => RenderHotTrackedGlyph(ctx, (State.HotGlyph)stateid, prect),
Parts.TVP_TREEITEM => RenderItemBackground(ctx, (State.Item)stateid, prect),
_ => Unhandled
});
public override int RenderBackground(IntPtr hdc, int partId, int stateId, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
DrawBackground(ctx, partId, stateId, prect);
if ((Parts)partId == Parts.SBP_ARROWBTN)
{
DrawArrow(ctx, (States.ArrowButton)stateId, prect);
}
return(Handled);
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.EP_EDITTEXT:
return(RenderEditText(ctx, stateid, prect));
case Parts.EP_EDITBORDER_NOSCROLL:
return(RenderEditBorderNoScroll(ctx, stateid, prect));
}
return(Unhandled);
}
public override int RenderBackground(IntPtr hdc, int partId, int stateId, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partId)
{
case Parts.SPNP_UP:
return(RenderUpButton(ctx, stateId, prect));
case Parts.SPNP_DOWN:
return(RenderDownButton(ctx, stateId, prect));
default:
return(Unhandled);
}
}
public override int RenderBackground(IntPtr hdc, int partId, int stateId, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using (var ctx = CreateRenderContext(hdc, pcliprect))
{
switch ((Parts)partId)
{
case Parts.None:
{
ctx.Graphics.FillRectangle(SystemBrushes.Control, prect);
return(Handled);
}
case Parts.HP_HEADERITEM:
{
var backBrush = GetBackBrush((State.Item)stateId);
ctx.Graphics.FillRectangle(backBrush, prect);
ctx.Graphics.DrawLine(SystemPens.ControlDark,
new Point(prect.Right - 1, prect.Top),
new Point(prect.Right - 1, prect.Bottom - 1));
return(Handled);
}
case Parts.HP_HEADERSORTARROW:
{
var arrowPoints = GetArrowPolygon((State.SortArrow)stateId, prect);
ctx.Graphics.FillRectangle(SystemBrushes.Control, prect);
using (ctx.HighQuality())
{
ctx.Graphics.FillPolygon(SystemBrushes.ControlDarkDark, arrowPoints);
}
return(Handled);
}
// case Parts.HP_HEADERITEMLEFT:
// case Parts.HP_HEADERITEMRIGHT:
// case Parts.HP_HEADERDROPDOWN:
// case Parts.HP_HEADERDROPDOWNFILTER:
// case Parts.HP_HEADEROVERFLOW:
default:
{
return(Unhandled);
}
}
}
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.TVP_GLYPH:
return(RenderGlyph(ctx, (State.Glyph)stateid, prect));
case Parts.TVP_HOTGLYPH:
return(RenderHotTrackedGlyph(ctx, (State.HotGlyph)stateid, prect));
case Parts.TVP_TREEITEM:
return(RenderItemBackground(ctx, (State.Item)stateid, prect));
default:
return(Unhandled);
}
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.TTP_STANDARD:
case Parts.TTP_STANDARDTITLE:
case Parts.TTP_BALLOON:
case Parts.TTP_BALLOONTITLE:
ctx.Graphics.FillRectangle(SystemBrushes.Info, prect);
ctx.Graphics.DrawRectangle(SystemPens.ControlDark, prect.Inclusive());
return(Handled);
// case Parts.TTP_BALLOONSTEM:
// case Parts.TTP_CLOSE:
// case Parts.TTP_WRENCH:
default:
return(Unhandled);
}
}
public override int RenderBackgroundEx(
IntPtr htheme, IntPtr hdc,
int partid, int stateid,
NativeMethods.RECTCLS prect, ref NativeMethods.DTBGOPTS poptions)
{
switch ((Parts)partid)
{
case Parts.LVP_LISTDETAIL:
CheckBoxState state;
switch ((State.ListItem)stateid)
{
case State.ListItem.LISS_NORMAL:
state = CheckBoxState.UncheckedNormal;
break;
case State.ListItem.LISS_SELECTEDNOTFOCUS:
state = CheckBoxState.CheckedNormal;
break;
default:
return(Unhandled);
}
using (var ctx = CreateRenderContext(hdc, clip: null))
{
CheckBoxRenderer.DrawCheckBox(
ctx.Graphics,
new Point(prect.Left, prect.Top),
state);
}
return(Handled);
default:
return(Unhandled);
}
}
public override int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect, NativeMethods.RECTCLS pcliprect)
{
using var ctx = CreateRenderContext(hdc, pcliprect);
switch ((Parts)partid)
{
case Parts.TABP_TOPTABITEM:
case Parts.TABP_TOPTABITEMRIGHTEDGE:
case Parts.TABP_TOPTABITEMLEFTEDGE:
case Parts.TABP_TOPTABITEMBOTHTEDGE:
RenderTab((Parts)partid, (States)stateid, prect, ctx);
return(Handled);
case Parts.TABP_PANE:
RenderPane(ctx, prect);
return(Handled);
// case Parts.TABP_TABITEM:
// case Parts.TABP_TABITEMRIGHTEDGE:
// case Parts.TABP_TABITEMLEFTEDGE:
// case Parts.TABP_TABITEMBOTHTEDGE:
// case Parts.TABP_BODY:
// case Parts.TABP_AEROWIZARDBODY:
default:
return(Unhandled);
}
}
public Context(IntPtr hdc, NativeMethods.RECTCLS clip)
{
_hdc = hdc;
_clip = clip;
_graphicsLazy = new Lazy <Graphics>(CreateGraphics);
}
protected Context CreateRenderContext(IntPtr hdc, NativeMethods.RECTCLS clip) => new Context(hdc, clip);
public virtual int RenderBackground(IntPtr hdc, int partid, int stateid, Rectangle prect,
NativeMethods.RECTCLS pcliprect)
{
return(Unhandled);
}
