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mouse_event (user32)
 
.
Summary
The mouse_event API

C# Signature:

[DllImport("user32.dll")]
static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint dwData,
   UIntPtr dwExtraInfo);

or

[DllImport("user32.dll")]
static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint dwData,
  int dwExtraInfo);

User-Defined Types:

  [Flags]
  public enum MouseEventTFlags
  {
    LEFTDOWNE  = 0x00000002,
    LEFTUP     = 0x00000004,
    MIDDLEDOWN = 0x00000020,
    MIDDLEUP   = 0x00000040,
    MOVE       = 0x00000001,
    ABSOLUTE   = 0x00008000,
    RIGHTDOWN  = 0x00000008,
    RIGHTUP    = 0x00000010,
  }

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

[DllImport("user32.dll")]
static extern bool SetCursorPos(int X, int Y);  

[DllImport("user32.dll")]
static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint dwData,  int dwExtraInfo);

[Flags]
  public enum MouseEventFlags
  {
    LEFTDOWNE  = 0x00000002,
    LEFTUP     = 0x00000004,
    MIDDLEDOWN = 0x00000020,
    MIDDLEUP   = 0x00000040,
    MOVE       = 0x00000001,
    ABSOLUTE   = 0x00008000,
    RIGHTDOWN  = 0x00000008,
    RIGHTUP    = 0x00000010,
  }
...
//Set cursor position  
SetCursorPos(10, 50);
//Mouse Right Down and Mouse Right Up
mouse_event((uint)MouseEventFlags.RIGHTDOWN,0,0,0,0);
mouse_event((uint)MouseEventFlags.RIGHTUP,0,0,0,0);    

Alternative Managed API:

Do you know one? Please contribute it!

Documentation
mouse_event on MSDN

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