在C＃中的ListView上触发DoubleClick事件

Question

Is it possible to fire a DoubleClick event on a ListView programmatically? Without needing to know the location/signature of the event handler?

Answer 1

if I understood what you want instead doing so:

private void MouseDoubleClick(object sender, EventArgs e)
{
   //some code on mouse double click
}

make:

private void MethodToExecuteOnDoubleClick()
{
  //some code on mouse double click
}

private void MouseDoubleClick(object sender, EventArgs e)
{
   MethodToExecuteOnDoubleClick();
}

and then you can call MethodToExecuteOnDoubleClick() whenever you want without need to rise doubleclick event

Answer 2

For simulate mouse click you can do something like this:

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

  //....

   [DllImport("user32.dll",CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
   public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);

   private const int MOUSEEVENTF_LEFTDOWN = 0x02;
   private const int MOUSEEVENTF_LEFTUP = 0x04;
   private const int MOUSEEVENTF_RIGHTDOWN = 0x08;
   private const int MOUSEEVENTF_RIGHTUP = 0x10;


   public void DoMouseClick()
   {
      //Call the imported function with the cursor's current position
      int X = Cursor.Position.X;
      int Y = Cursor.Position.Y;
      mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, X, Y, 0, 0);
   }

   //...
}

Answer 3

I blogged about that a while ago: Simulate a Click ; it is not a real click, but it triggers the event handlers. The blog say "OnClick", replace it with "OnDoubleClick" and you should be fine.

Answer 4

最好创建一个封装控件并处理其中可能需要的任何逻辑。