/// <summary>
/// Draws an image using the specified flags and state on XP systems.
/// </summary>
/// <param name="hdc">Device context to draw to</param>
/// <param name="index">Index of image to draw</param>
/// <param name="x">X Position to draw at</param>
/// <param name="y">Y Position to draw at</param>
/// <param name="flags">Drawing flags</param>
/// <param name="cx">Width to draw</param>
/// <param name="cy">Height to draw</param>
/// <param name="foreColor">Fore colour to blend with when using the
/// ILD_SELECTED or ILD_BLEND25 flags</param>
/// <param name="stateFlags">State flags</param>
/// <param name="glowOrShadowColor">If stateFlags include ILS_GLOW, then
/// the colour to use for the glow effect. Otherwise if stateFlags includes
/// ILS_SHADOW, then the colour to use for the shadow.</param>
/// <param name="saturateColorOrAlpha">If stateFlags includes ILS_ALPHA,
/// then the alpha component is applied to the icon. Otherwise if
/// ILS_SATURATE is included, then the (R,G,B) components are used
/// to saturate the image.</param>
public void DrawImage(
IntPtr hdc,
int index,
int x,
int y,
ImageListDrawItemConstants flags,
int cx,
int cy,
Color foreColor,
ImageListDrawStateConstants stateFlags,
Color saturateColorOrAlpha,
Color glowOrShadowColor
)
{
var pimldp = new Imagelistdrawparams();
pimldp.hdcDst = hdc;
pimldp.cbSize = Marshal.SizeOf(pimldp.GetType());
pimldp.i = index;
pimldp.x = x;
pimldp.y = y;
pimldp.cx = cx;
pimldp.cy = cy;
pimldp.rgbFg = Color.FromArgb(0,
foreColor.R, foreColor.G, foreColor.B).ToArgb();
Console.WriteLine("{0}", pimldp.rgbFg);
pimldp.fStyle = (int)flags;
pimldp.fState = (int)stateFlags;
if ((stateFlags & ImageListDrawStateConstants.IlsAlpha) ==
ImageListDrawStateConstants.IlsAlpha)
{
// Set the alpha:
pimldp.Frame = (int)saturateColorOrAlpha.A;
}
else if ((stateFlags & ImageListDrawStateConstants.IlsSaturate) ==
ImageListDrawStateConstants.IlsSaturate)
{
// discard alpha channel:
saturateColorOrAlpha = Color.FromArgb(0,
saturateColorOrAlpha.R,
saturateColorOrAlpha.G,
saturateColorOrAlpha.B);
// set the saturate color
pimldp.Frame = saturateColorOrAlpha.ToArgb();
}
glowOrShadowColor = Color.FromArgb(0,
glowOrShadowColor.R,
glowOrShadowColor.G,
glowOrShadowColor.B);
pimldp.crEffect = glowOrShadowColor.ToArgb();
if (_iImageList == null)
{
pimldp.himl = _hIml;
var ret = ImageList_DrawIndirect(ref pimldp);
}
else
{
_iImageList.Draw(ref pimldp);
}
}
/// <summary>
/// Draws an image using the specified flags
/// </summary>
/// <param name="hdc">Device context to draw to</param>
/// <param name="index">Index of image to draw</param>
/// <param name="x">X Position to draw at</param>
/// <param name="y">Y Position to draw at</param>
/// <param name="flags">Drawing flags</param>
public void DrawImage(
IntPtr hdc,
int index,
int x,
int y,
ImageListDrawItemConstants flags
)
{
if (_iImageList == null)
{
var ret = ImageList_Draw(
_hIml,
index,
hdc,
x,
y,
(int)flags);
}
else
{
var pimldp = new Imagelistdrawparams();
pimldp.hdcDst = hdc;
pimldp.cbSize = Marshal.SizeOf(pimldp.GetType());
pimldp.i = index;
pimldp.x = x;
pimldp.y = y;
pimldp.rgbFg = -1;
pimldp.fStyle = (int)flags;
_iImageList.Draw(ref pimldp);
}
}
/// <summary>
/// Draws an image using the specified flags and specifies
/// the size to clip to (or to stretch to if ILD_SCALE
/// is provided).
/// </summary>
/// <param name="hdc">Device context to draw to</param>
/// <param name="index">Index of image to draw</param>
/// <param name="x">X Position to draw at</param>
/// <param name="y">Y Position to draw at</param>
/// <param name="flags">Drawing flags</param>
/// <param name="cx">Width to draw</param>
/// <param name="cy">Height to draw</param>
public void DrawImage(
IntPtr hdc,
int index,
int x,
int y,
ImageListDrawItemConstants flags,
int cx,
int cy
)
{
var pimldp = new Imagelistdrawparams();
pimldp.hdcDst = hdc;
pimldp.cbSize = Marshal.SizeOf(pimldp.GetType());
pimldp.i = index;
pimldp.x = x;
pimldp.y = y;
pimldp.cx = cx;
pimldp.cy = cy;
pimldp.fStyle = (int)flags;
if (_iImageList == null)
{
pimldp.himl = _hIml;
var ret = ImageList_DrawIndirect(ref pimldp);
}
else
{
_iImageList.Draw(ref pimldp);
}
}
private extern static int ImageList_DrawIndirect(
ref Imagelistdrawparams pimldp);
