[C#/WINFORM] 마우스 이벤트 발생시키기

using System.Runtime.InteropServices;

/// <summary>
/// 마우스 이벤트 발생시키기
/// </summary>
/// <param name="flag">플래그</param>
/// <param name="deltaX">델타 X</param>
/// <param name="deltaY">델타 Y</param>
/// <param name="data">데이터</param>
/// <param name="extraInformation">부가 정보</param>
[DllImport("user32")]
private static extern void mouse_event(uint flag, uint deltaX, uint deltaY, uint data, int extraInformation);

private const int WM_MOUSEMOVE   = 0x201;
private const int WM_LBUTTONDOWN = 0x202;
private const int WM_LBUTTONUP   = 0x204;

...

mouse_event(WM_LBUTTONDOWN, 0, 0, 0, 0);
mouse_event(WM_LBUTTONUP  , 0, 0, 0, 0);