/// <summary>
/// Saves the current state of the device context by copying data describing selected objects and graphic
/// modes (such as the bitmap, brush, palette, font, pen, region, drawing mode, and mapping mode) to a
/// context stack.
/// The SaveDC function can be used any number of times to save any number of instances of the DC state.
/// A saved state can be restored by using the RestoreHdc method.
/// See MSDN for more details.
/// </summary>
public int SaveHdc()
{
HandleRef hdc = new HandleRef(this, Hdc);
int state = IntUnsafeNativeMethods.SaveDC(hdc);
if (contextStack == null)
{
contextStack = new Stack();
}
GraphicsState g = new GraphicsState();
g.hBitmap = hCurrentBmp;
g.hBrush = hCurrentBrush;
g.hPen = hCurrentPen;
g.hFont = hCurrentFont;
g.font = new WeakReference(selectedFont);
contextStack.Push(g);
#if TRACK_HDC
Debug.WriteLine(DbgUtil.StackTraceToStr(String.Format("state[0]=DC.SaveHdc(hDc=0x{1:x8})", state, unchecked ((int)this.hDC))));
#endif
return(state);
}
public int SaveHdc()
{
HandleRef hDC = new HandleRef(this, this.Hdc);
int num = IntUnsafeNativeMethods.SaveDC(hDC);
if (this.contextStack == null)
{
this.contextStack = new Stack();
}
GraphicsState state = new GraphicsState {
hBitmap = this.hCurrentBmp,
hBrush = this.hCurrentBrush,
hPen = this.hCurrentPen,
hFont = this.hCurrentFont,
font = new WeakReference(this.selectedFont)
};
this.contextStack.Push(state);
return(num);
}
