7 references to IsNull
System.Drawing.Common (3)
System\Drawing\BufferedGraphicsContext.cs (1)
274
if (hpalette.
IsNull
)
System\Drawing\Graphics.cs (2)
3524
if (s_halftonePalette.
IsNull
)
3528
if (s_halftonePalette.
IsNull
)
System.Private.Windows.Core (2)
Windows\Win32\Graphics\Gdi\SelectPaletteScope.cs (2)
28
if (!HPALETTE.
IsNull
&& realizePalette)
38
if (!HPALETTE.
IsNull
)
System.Private.Windows.GdiPlus (1)
Windows\Win32\Graphics\Gdi\HdcExtensions.cs (1)
38
if (s_halftonePalette.
IsNull
)
System.Windows.Forms (1)
System\Windows\Forms\Rendering\DrawingEventArgs.cs (1)
139
if (!_oldPalette.
IsNull
&& !_hdc.IsNull)