C#:使用Window自带函数(如：user32.dll)

时间：2014-06-12 11:59:40 收藏：0 阅读：411

[DllImport("user32.dll", EntryPoint = "GetScrollInfo", CallingConvention = CallingConvention.StdCall)]
public 
static extern bool GetScrollInfo(IntPtr hwnd, int 
fnBar, ref 
SCROLLINFO lpsi);
 
[DllImport("user32.dll", EntryPoint = "SetScrollInfo", CallingConvention = CallingConvention.StdCall)]
public 
static extern int SetScrollInfo(IntPtr hwnd, int 
fnBar, [In] ref 
SCROLLINFO lpsi, bool 
fRedraw);
 
[DllImport("User32.dll", CharSet = CharSet.Auto, EntryPoint = "SendMessage", CallingConvention =CallingConvention.Cdecl)]
static 
extern IntPtr SendMessage(IntPtr hWnd, uint 
Msg, IntPtr wParam, IntPtr lParam);
 
[DllImport("user32.dll", CharSet = CharSet.Auto, EntryPoint = "PostMessage")]  
public 
static extern bool PostMessage(IntPtr hWnd, uint 
Msg, int 
wParam, int 
lParam);
 
[DllImport("gdi32.dll")]
public 
static extern int CreateRoundRectRgn(int 
x1, int 
y1, int 
x2, int 
y2, int 
x3, int 
y3);
 
[DllImport("user32.dll")]
public 
static extern int SetWindowRgn(IntPtr hwnd, int 
hRgn, Boolean bRedraw);
 
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public 
static extern bool ShowScrollBar(IntPtr hWnd, int 
wBar, bool 
bShow);
 
[DllImport("user32.dll")]
public 
static extern IntPtr GetWindowDC(IntPtr hWnd);
 
[DllImport("user32.dll")]
public 
static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);

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