我要评论本文实例讲述了winform实现同时让两个窗体有激活效果的特效。主要采用windows api实现一个窗体激活的时候给另外一个发消息。分享给大家供大家参考。
具体实现方法如下：
using system;
using system.windows.forms;
using system.runtime.interopservices;
namespace windowsapplication43
{
public partial class form1 : form
{
form frm =null;
public form1()
{
initializecomponent();
this.activated += form_activated;
}
const int wm_ncactivate = 0x86;
const int wa_active = 0x1;
[dllimport("user32.dll", entrypoint = "sendmessage")]
public static extern int sendmessage(intptr hwnd, int wmsg, int wparam, int lparam);
private void button1_click(object sender, eventargs e)
{
frm = new form();
frm.text = "jinjazz";
frm.activated += form_activated;
frm.show();
frm.location = new system.drawing.point(this.left + this.width, this.top);
sendmessage(this.handle, wm_ncactivate, wa_active, 0);
}
void form_activated(object sender, eventargs e)
{
sendmessage(this.handle, wm_ncactivate, wa_active, 0);
if (frm != null)
sendmessage(frm.handle, wm_ncactivate, wa_active, 0);
}
}
}
希望本文所述对大家的c#程序设计有所帮助。
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