nf-gdiplusgraphics-graphics-isvisibleclipempty.md

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NF:gdiplusgraphics.Graphics.IsVisibleClipEmpty	Graphics::IsVisibleClipEmpty (gdiplusgraphics.h)	The Graphics::IsVisibleClipEmpty method determines whether the visible clipping region of this Graphics object is empty. The visible clipping region is the intersection of the clipping region of this Graphics object and the clipping region of the window.	Graphics class [GDI+] IsVisibleClipEmpty method Graphics.IsVisibleClipEmpty Graphics::IsVisibleClipEmpty IsVisibleClipEmpty IsVisibleClipEmpty method [GDI+] IsVisibleClipEmpty method [GDI+] Graphics class _gdiplus_CLASS_Graphics_IsVisibleClipEmpty_ gdiplus._gdiplus_CLASS_Graphics_IsVisibleClipEmpty_	gdiplus\_gdiplus_CLASS_Graphics_IsVisibleClipEmpty_.htm	gdiplus	VS|gdicpp|~\gdiplus\gdiplusreference\classes\graphicsclass\graphicsmethods\isvisibleclipempty.htm	12/05/2018	Graphics class [GDI+],IsVisibleClipEmpty method, Graphics.IsVisibleClipEmpty, Graphics::IsVisibleClipEmpty, IsVisibleClipEmpty, IsVisibleClipEmpty method [GDI+], IsVisibleClipEmpty method [GDI+],Graphics class, _gdiplus_CLASS_Graphics_IsVisibleClipEmpty_, gdiplus._gdiplus_CLASS_Graphics_IsVisibleClipEmpty_	gdiplusgraphics.h	Gdiplus.h	Windows	Windows XP, Windows 2000 Professional [desktop apps only]	Windows 2000 Server [desktop apps only]										Gdiplus.lib	Gdiplus.dll		Windows			GDI+ 1.0	19H1	Graphics::IsVisibleClipEmpty gdiplusgraphics/Graphics::IsVisibleClipEmpty	c++	APIRef kbSyntax	COM	Gdiplus.dll	Graphics.IsVisibleClipEmpty

Graphics::IsVisibleClipEmpty

-description

The Graphics::IsVisibleClipEmpty method determines whether the visible clipping region of this Graphics object is empty. The visible clipping region is the intersection of the clipping region of this Graphics object and the clipping region of the window.

-returns

Type: BOOL

If the visible clipping region of this Graphics object is empty, this method returns TRUE; otherwise, it returns FALSE.

-remarks

If the visible clipping region of a Graphics object is empty, there is no area left in which to draw. Consequently, nothing will be drawn when the visible clipping region is empty.

Examples

The following example determines whether the visible clipping region is empty. If it is not empty, it draws a rectangle.

VOID Example_IsVisibleClipEmpty(HDC hdc)
{
   Graphics graphics(hdc);

   // If the clipping region is not empty, draw a rectangle.
   if (!graphics.IsVisibleClipEmpty())
   {
   graphics.DrawRectangle(&Pen(Color(255, 0, 0, 0), 3), 0, 0, 100, 100);
   }
}