public static void DrawText(IDeviceContext dc, string?text, Font?font, Point pt, Color foreColor, Color backColor, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
Gdi32.QUALITY fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using var wgr = new WindowsGraphicsWrapper(dc, flags);
using WindowsFont? wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality);
wgr.WindowsGraphics.DrawText(text, wf, pt, foreColor, backColor, GetTextFormatFlags(flags));
}
public void DrawBackground(IDeviceContext dc, Rectangle bounds, Rectangle clipRectangle)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (((bounds.Width >= 0) && (bounds.Height >= 0)) && ((clipRectangle.Width >= 0) && (clipRectangle.Height >= 0)))
{
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeBackground(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), new System.Windows.Forms.NativeMethods.COMRECT(clipRectangle));
}
}
}
/// <include file='doc\TextRenderer.uex' path='docs/doc[@for="TextRenderer.DrawText2"]/*' />
public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, flags))
{
using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) {
wgr.WindowsGraphics.DrawText(text, wf, pt, foreColor, GetIntTextFormatFlags(flags));
}
}
}
public static void DrawText(IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
Gdi32.QUALITY fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, flags))
{
using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality))
{
wgr.WindowsGraphics.DrawText(text, wf, bounds, foreColor, GetTextFormatFlags(flags));
}
}
}
public static Size MeasureText(IDeviceContext dc, string?text, Font?font, Size proposedSize, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
if (string.IsNullOrEmpty(text))
{
return(Size.Empty);
}
Gdi32.QUALITY fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using var wgr = new WindowsGraphicsWrapper(dc, flags);
using var wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality);
return(wgr.WindowsGraphics.MeasureText(text, wf, proposedSize, GetTextFormatFlags(flags)));
}
public static Size MeasureText(IDeviceContext dc, string text, Font font, Size proposedSize, TextFormatFlags flags)
{
Size size;
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (string.IsNullOrEmpty(text))
{
return(Size.Empty);
}
WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, flags))
{
using (WindowsFont font2 = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality))
{
size = wrapper.WindowsGraphics.MeasureText(text, font2, proposedSize, GetIntTextFormatFlags(flags));
}
}
return(size);
}
private static Size MeasureTextInternal(
IDeviceContext dc,
string?text,
Font?font,
Size proposedSize,
TextFormatFlags flags = TextFormatFlags.Bottom)
{
if (dc == null)
{
throw new ArgumentNullException(nameof(dc));
}
if (string.IsNullOrEmpty(text))
{
return(Size.Empty);
}
// This MUST come before retreiving the HDC, which locks the Graphics object
Gdi32.QUALITY quality = FontQualityFromTextRenderingHint(dc);
using var wgr = new WindowsGraphicsWrapper(dc, flags);
using var wf = WindowsGraphicsCacheManager.GetWindowsFont(font, quality);
return(wgr.WindowsGraphics.MeasureText(text, wf, proposedSize, GetTextFormatFlags(flags)));
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.DrawText2"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public void DrawText(IDeviceContext dc, Rectangle bounds, string textToDraw, bool drawDisabled, TextFormatFlags flags) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
if (bounds.Width < 0 || bounds.Height < 0) {
return;
}
int disableFlag = drawDisabled?0x1:0;
if (!String.IsNullOrEmpty(textToDraw)) {
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.DrawThemeText( new HandleRef( this, Handle ), hdc, part, state, textToDraw, textToDraw.Length, (int) flags, disableFlag, new NativeMethods.COMRECT( bounds ) );
}
}
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.GetBackgroundExtent"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Rectangle GetBackgroundExtent(IDeviceContext dc, Rectangle contentBounds) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
if (contentBounds.Width < 0 || contentBounds.Height < 0) {
return Rectangle.Empty;
}
NativeMethods.COMRECT rect = new NativeMethods.COMRECT();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeBackgroundExtent( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( contentBounds ), rect );
}
return Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom);
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.DrawEdge"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects) {
if (dc == null) {
throw new ArgumentNullException("dc");
}
if (!ClientUtils.IsEnumValid_Masked(edges, (int)edges,(UInt32)(Edges.Left | Edges.Top | Edges.Right | Edges.Bottom | Edges.Diagonal))) {
throw new InvalidEnumArgumentException("edges", (int)edges, typeof(Edges));
}
if (!ClientUtils.IsEnumValid_NotSequential(style, (int)style, (int)EdgeStyle.Raised,(int)EdgeStyle.Sunken,(int)EdgeStyle.Etched,(int)EdgeStyle.Bump )) {
throw new InvalidEnumArgumentException("style", (int)style, typeof(EdgeStyle));
}
if (!ClientUtils.IsEnumValid_Masked(effects, (int)effects, (UInt32)(EdgeEffects.FillInterior | EdgeEffects.Flat | EdgeEffects.Soft | EdgeEffects.Mono))) {
throw new InvalidEnumArgumentException("effects", (int)effects, typeof(EdgeEffects));
}
NativeMethods.COMRECT rect = new NativeMethods.COMRECT();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.DrawThemeEdge( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( bounds ), (int) style, (int) edges | (int) effects | EdgeAdjust, rect );
}
return Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom);
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.DrawParentBackground"]/*' />
/// <devdoc>
/// <para>
/// Given a graphics object and bounds to draw in, this method effectively asks the passed in
/// control's parent to draw itself in there (it sends WM_ERASEBKGND & WM_PRINTCLIENT messages
/// to the parent).
/// </para>
/// </devdoc>
public void DrawParentBackground(IDeviceContext dc, Rectangle bounds, Control childControl) {
if (dc == null) {
throw new ArgumentNullException("dc");
}
if (childControl == null) {
throw new ArgumentNullException("childControl");
}
if (bounds.Width < 0 || bounds.Height < 0) {
return;
}
if (childControl.Handle != IntPtr.Zero) {
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.DrawThemeParentBackground( new HandleRef( this, childControl.Handle ), hdc, new NativeMethods.COMRECT( bounds ) );
}
}
}
public Region GetBackgroundRegion(IDeviceContext dc, Rectangle bounds)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if ((bounds.Width < 0) || (bounds.Height < 0))
{
return null;
}
IntPtr zero = IntPtr.Zero;
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeBackgroundRegion(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), ref zero);
}
if (zero == IntPtr.Zero)
{
return null;
}
Region region = Region.FromHrgn(zero);
System.Windows.Forms.SafeNativeMethods.ExternalDeleteObject(new HandleRef(null, zero));
return region;
}
public void DrawText(IDeviceContext dc, Rectangle bounds, string textToDraw, bool drawDisabled, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if ((bounds.Width >= 0) && (bounds.Height >= 0))
{
int num = drawDisabled ? 1 : 0;
if (!string.IsNullOrEmpty(textToDraw))
{
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeText(new HandleRef(this, this.Handle), hdc, this.part, this.state, textToDraw, textToDraw.Length, (int) flags, num, new System.Windows.Forms.NativeMethods.COMRECT(bounds));
}
}
}
}
public HitTestCode HitTestBackground(IDeviceContext dc, Rectangle backgroundRectangle, IntPtr hRgn, Point pt, HitTestOptions options)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
int pwHitTestCode = 0;
System.Windows.Forms.NativeMethods.POINTSTRUCT ptTest = new System.Windows.Forms.NativeMethods.POINTSTRUCT(pt.X, pt.Y);
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.HitTestThemeBackground(new HandleRef(this, this.Handle), hdc, this.part, this.state, (int) options, new System.Windows.Forms.NativeMethods.COMRECT(backgroundRectangle), new HandleRef(this, hRgn), ptTest, ref pwHitTestCode);
}
return (HitTestCode) pwHitTestCode;
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.GetPartSize1"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Size GetPartSize(IDeviceContext dc, Rectangle bounds, ThemeSizeType type) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
//valid values are 0x0 to 0x2
if (!ClientUtils.IsEnumValid(type, (int)type, (int)ThemeSizeType.Minimum, (int)ThemeSizeType.Draw))
{
throw new InvalidEnumArgumentException("type", (int)type, typeof(ThemeSizeType));
}
NativeMethods.SIZE size = new NativeMethods.SIZE();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemePartSize( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( bounds ), type, size );
}
return new Size(size.cx, size.cy);
}
public Rectangle GetTextExtent(IDeviceContext dc, Rectangle bounds, string textToDraw, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (string.IsNullOrEmpty(textToDraw))
{
throw new ArgumentNullException("textToDraw");
}
System.Windows.Forms.NativeMethods.COMRECT pExtentRect = new System.Windows.Forms.NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeTextExtent(new HandleRef(this, this.Handle), hdc, this.part, this.state, textToDraw, textToDraw.Length, (int) flags, new System.Windows.Forms.NativeMethods.COMRECT(bounds), pExtentRect);
}
return Rectangle.FromLTRB(pExtentRect.left, pExtentRect.top, pExtentRect.right, pExtentRect.bottom);
}
public TextMetrics GetTextMetrics(IDeviceContext dc)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
TextMetrics ptm = new TextMetrics();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeTextMetrics(new HandleRef(this, this.Handle), hdc, this.part, this.state, ref ptm);
}
return ptm;
}
public Size GetPartSize(IDeviceContext dc, Rectangle bounds, ThemeSizeType type)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid(type, (int) type, 0, 2))
{
throw new InvalidEnumArgumentException("type", (int) type, typeof(ThemeSizeType));
}
System.Windows.Forms.NativeMethods.SIZE psz = new System.Windows.Forms.NativeMethods.SIZE();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemePartSize(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), type, psz);
}
return new Size(psz.cx, psz.cy);
}
public Padding GetMargins(IDeviceContext dc, MarginProperty prop)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid(prop, (int) prop, 0xe11, 0xe13))
{
throw new InvalidEnumArgumentException("prop", (int) prop, typeof(MarginProperty));
}
System.Windows.Forms.NativeMethods.MARGINS margins = new System.Windows.Forms.NativeMethods.MARGINS();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hDC = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeMargins(new HandleRef(this, this.Handle), hDC, this.part, this.state, (int) prop, ref margins);
}
return new Padding(margins.cxLeftWidth, margins.cyTopHeight, margins.cxRightWidth, margins.cyBottomHeight);
}
public Font GetFont(IDeviceContext dc, FontProperty prop)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid(prop, (int) prop, 0xa29, 0xa29))
{
throw new InvalidEnumArgumentException("prop", (int) prop, typeof(FontProperty));
}
System.Windows.Forms.NativeMethods.LOGFONT pFont = new System.Windows.Forms.NativeMethods.LOGFONT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeFont(new HandleRef(this, this.Handle), hdc, this.part, this.state, (int) prop, pFont);
}
Font font = null;
if (!System.Windows.Forms.NativeMethods.Succeeded(this.lastHResult))
{
return font;
}
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
return Font.FromLogFont(pFont);
}
catch (Exception exception)
{
if (System.Windows.Forms.ClientUtils.IsSecurityOrCriticalException(exception))
{
throw;
}
return null;
}
}
public Region GetBackgroundRegion(IDeviceContext dc, Rectangle bounds) {
if (dc == null) {
throw new ArgumentNullException("dc");
}
if (bounds.Width < 0 || bounds.Height < 0) {
return null;
}
IntPtr hRegion = IntPtr.Zero;
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeBackgroundRegion( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( bounds ), ref hRegion );
}
// GetThemeBackgroundRegion returns a null hRegion if it fails to create one, it could be because the bounding
// box is too big. For more info see code in %xpsrc%\shell\themes\uxtheme\imagefile.cpp if you have an enlistment to it.
if (hRegion == IntPtr.Zero) {
return null;
}
// From the GDI+ sources it doesn't appear as if they take ownership of the hRegion, so this is safe to do.
// We need to DeleteObject in order to not leak. DevDiv Bugs 169791
Region region = Region.FromHrgn(hRegion);
SafeNativeMethods.ExternalDeleteObject(new HandleRef(null, hRegion));
return region;
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.GetTextExtent1"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Rectangle GetTextExtent(IDeviceContext dc, Rectangle bounds, string textToDraw, TextFormatFlags flags) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
if (String.IsNullOrEmpty(textToDraw)) {
throw new ArgumentNullException("textToDraw");
}
NativeMethods.COMRECT rect = new NativeMethods.COMRECT();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeTextExtent( new HandleRef( this, Handle ), hdc, part, state, textToDraw, textToDraw.Length, (int) flags, new NativeMethods.COMRECT( bounds ), rect );
}
return Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom);
}
public Font GetFont(IDeviceContext dc, FontProperty prop)
{
if( dc == null ){
throw new ArgumentNullException("dc");
}
//valid values are 0xa29 to 0xa29
if (!ClientUtils.IsEnumValid(prop, (int)prop, (int)FontProperty.GlyphFont, (int)FontProperty.GlyphFont))
{
throw new InvalidEnumArgumentException("prop", (int)prop, typeof(FontProperty));
}
NativeMethods.LOGFONT logfont = new NativeMethods.LOGFONT();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeFont( new HandleRef( this, Handle ), hdc, part, state, (int) prop, logfont );
}
Font font = null;
//check for a failed HR.
if (NativeMethods.Succeeded(lastHResult)) {
// SECREVIEW: Safe to assert here, since the logfont comes from a native api and not from the
// caller of this method. The system creates the font handle.
//
IntSecurity.ObjectFromWin32Handle.Assert();
try {
font = Font.FromLogFont(logfont);
}
catch (Exception e) {
if (ClientUtils.IsSecurityOrCriticalException(e)) {
throw;
}
//Looks like the font was not true type
font = null;
}
}
return font;
}
public HitTestCode HitTestBackground(IDeviceContext dc, Rectangle backgroundRectangle, IntPtr hRgn, Point pt, HitTestOptions options) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
int htCode = 0;
NativeMethods.POINTSTRUCT point = new NativeMethods.POINTSTRUCT(pt.X, pt.Y);
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.HitTestThemeBackground( new HandleRef( this, Handle ), hdc, part, state, (int) options, new NativeMethods.COMRECT( backgroundRectangle ), new HandleRef( this, hRgn ), point, ref htCode );
}
return (HitTestCode)htCode;
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.GetMargins"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public Padding GetMargins(IDeviceContext dc, MarginProperty prop) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
//valid values are 0xe11 to 0xe13
if (!ClientUtils.IsEnumValid(prop, (int)prop, (int)MarginProperty.SizingMargins, (int)MarginProperty.CaptionMargins))
{
throw new InvalidEnumArgumentException("prop", (int)prop, typeof(MarginProperty));
}
NativeMethods.MARGINS margins = new NativeMethods.MARGINS();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeMargins( new HandleRef( this, Handle ), hdc, part, state, (int) prop, ref margins );
}
return new Padding(margins.cxLeftWidth, margins.cyTopHeight, margins.cxRightWidth, margins.cyBottomHeight);
}
public Rectangle GetBackgroundExtent(IDeviceContext dc, Rectangle contentBounds)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if ((contentBounds.Width < 0) || (contentBounds.Height < 0))
{
return Rectangle.Empty;
}
System.Windows.Forms.NativeMethods.COMRECT pExtentRect = new System.Windows.Forms.NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.GetThemeBackgroundExtent(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(contentBounds), pExtentRect);
}
return Rectangle.FromLTRB(pExtentRect.left, pExtentRect.top, pExtentRect.right, pExtentRect.bottom);
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.GetTextMetric"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public TextMetrics GetTextMetrics(IDeviceContext dc) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
TextMetrics tm = new TextMetrics();
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.GetThemeTextMetrics( new HandleRef( this, Handle ), hdc, part, state, ref tm );
}
return tm;
}
public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor, TextFormatFlags flags)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, flags))
{
using (WindowsFont font2 = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality))
{
wrapper.WindowsGraphics.DrawText(text, font2, pt, foreColor, GetIntTextFormatFlags(flags));
}
}
}
/// <include file='doc\VisualStyleRenderer.uex' path='docs/doc[@for="VisualStyleRenderer.DrawBackground1"]/*' />
/// <devdoc>
/// <para>
/// [See win32 equivalent.]
/// </para>
/// </devdoc>
public void DrawBackground(IDeviceContext dc, Rectangle bounds, Rectangle clipRectangle) {
if( dc == null ){
throw new ArgumentNullException("dc");
}
if (bounds.Width < 0 || bounds.Height < 0) {
return;
}
if (clipRectangle.Width < 0 || clipRectangle.Height < 0) {
return;
}
using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, AllGraphicsProperties ) ) {
HandleRef hdc = new HandleRef( wgr, wgr.WindowsGraphics.DeviceContext.Hdc );
lastHResult = SafeNativeMethods.DrawThemeBackground( new HandleRef( this, Handle ), hdc, part, state, new NativeMethods.COMRECT( bounds ), new NativeMethods.COMRECT( clipRectangle ) );
}
}
public void DrawParentBackground(IDeviceContext dc, Rectangle bounds, Control childControl)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (childControl == null)
{
throw new ArgumentNullException("childControl");
}
if (((bounds.Width >= 0) && (bounds.Height >= 0)) && (childControl.Handle != IntPtr.Zero))
{
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeParentBackground(new HandleRef(this, childControl.Handle), hdc, new System.Windows.Forms.NativeMethods.COMRECT(bounds));
}
}
}
public Rectangle DrawEdge(IDeviceContext dc, Rectangle bounds, Edges edges, EdgeStyle style, EdgeEffects effects)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(edges, (int) edges, 0x1f))
{
throw new InvalidEnumArgumentException("edges", (int) edges, typeof(Edges));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_NotSequential(style, (int) style, new int[] { 5, 10, 6, 9 }))
{
throw new InvalidEnumArgumentException("style", (int) style, typeof(EdgeStyle));
}
if (!System.Windows.Forms.ClientUtils.IsEnumValid_Masked(effects, (int) effects, 0xd800))
{
throw new InvalidEnumArgumentException("effects", (int) effects, typeof(EdgeEffects));
}
System.Windows.Forms.NativeMethods.COMRECT pContentRect = new System.Windows.Forms.NativeMethods.COMRECT();
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.PreserveGraphicsClipping))
{
HandleRef hdc = new HandleRef(wrapper, wrapper.WindowsGraphics.DeviceContext.Hdc);
this.lastHResult = System.Windows.Forms.SafeNativeMethods.DrawThemeEdge(new HandleRef(this, this.Handle), hdc, this.part, this.state, new System.Windows.Forms.NativeMethods.COMRECT(bounds), (int) style, ((int) (edges | ((Edges) ((int) effects)))) | 0x2000, pContentRect);
}
return Rectangle.FromLTRB(pContentRect.left, pContentRect.top, pContentRect.right, pContentRect.bottom);
}
public static Size MeasureText(IDeviceContext dc, string text, Font font, Size proposedSize, TextFormatFlags flags)
{
Size size;
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (string.IsNullOrEmpty(text))
{
return Size.Empty;
}
WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics);
using (WindowsGraphicsWrapper wrapper = new WindowsGraphicsWrapper(dc, flags))
{
using (WindowsFont font2 = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality))
{
size = wrapper.WindowsGraphics.MeasureText(text, font2, proposedSize, GetIntTextFormatFlags(flags));
}
}
return size;
}