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- using System;
- using System.Runtime.InteropServices;
- namespace Microsoft.Win32
- {
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- public static partial class UnsafeNativeMethods
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- [DllImport("gdi32.dll")]
- public static extern IntPtr SelectObject(IntPtr hdc, IntPtr hgdiobj);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr DeleteDC(IntPtr hdc);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr DeleteObject(IntPtr hObject);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr CreateCompatibleDC(IntPtr hdc);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr CreateCompatibleBitmap(IntPtr hdc, int nWidth, int nHeight);
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- [DllImport("gdi32.dll")]
- public static extern int SetBkMode(IntPtr hdc, int iBkMode);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr CreateRectRgn(int nLeftRect, int nTopRect, int nRightRect, int nBottomRect);
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- [DllImport("gdi32.dll")]
- public static extern IntPtr CreateRoundRectRgn(int nLeftRect, int nTopRect, int nRightRect, int nBottomRect, int nWidthEllipse, int nHeightEllipse);
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- [DllImport("gdi32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]
- public static extern int SelectClipRgn(IntPtr hdc, IntPtr hrgn);
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- [DllImport("gdi32.dll", CharSet = CharSet.Auto, SetLastError = true, ExactSpelling = true)]
- public static extern int ExtSelectClipRgn(IntPtr hdc, IntPtr hrgn, int fnMode);
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- [DllImport("gdi32.dll")]
- public static extern int SetStretchBltMode(IntPtr hdc, int iStretchMode);
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- [DllImport("gdi32.dll")]
- [return: MarshalAs(UnmanagedType.Bool)]
- public static extern bool BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
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- [DllImport("gdi32.dll")]
- [return: MarshalAs(UnmanagedType.Bool)]
- public static extern bool StretchBlt(IntPtr hdcDest, int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest, IntPtr hdcSrc, int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc, int dwRop);
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- [DllImport("gdi32.dll", SetLastError = true)]
- [return: MarshalAs(UnmanagedType.Bool)]
- public static extern bool GdiAlphaBlend(IntPtr hdcDest, int xoriginDest, int yoriginDest, int wDest, int hDest, IntPtr hdcSrc, int xoriginSrc, int yoriginSrc, int wSrc, int hSrc, NativeMethods.BLENDFUNCTION ftn);
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- [DllImport("gdi32.dll")]
- [return: MarshalAs(UnmanagedType.Bool)]
- public static extern bool GdiGradientFill(IntPtr hdc, IntPtr pVertex, uint dwVertex, IntPtr pMesh, uint dwMesh, uint dwMode);
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- [DllImport("gdi32.dll")]
- [return: MarshalAs(UnmanagedType.Bool)]
- public static extern bool GdiTransparentBlt(IntPtr hdcDest, int xoriginDest, int yoriginDest, int wDest, int hDest, IntPtr hdcSrc, int xoriginSrc, int yoriginSrc, int wSrc, int hSrc, uint crTransparent);
- }
- }
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