上次写了一篇博文,但是每次更新图标时,桌面会闪烁(刷新),有博友说人家的图标都不会刷新,还能动画.我想了一下,如果要达到这个效果,可以用form来实现,就是在form中嵌入一个图片,然后用一个label来动态显示消息数,关键是将form的边框隐藏,背景设为透明即可.如果要有旋转或者缩放动画,都可以用c#来实现.
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using system;using system.collections.generic;using system.componentmodel;using system.data;using system.drawing;using system.linq;using system.text;using system.windows.forms;namespace aopdemo{ public partial class appiconmsg : form { public appiconmsg() { initializecomponent(); //设置背景为透明 this.backcolor = color.fromargb(116, 164, 2); this.transparencykey = this.backcolor; } private void appiconmsg_load(object sender, eventargs e) { this.width = 64; this.height = 64; this.label1.text = "99"; this.timer1.enabled = true; } // drag it around the screen private const int wm_nchittest = 0x84; private const int htcaption = 0x2; protected override void wndproc(ref message m) { //disable mousedoubleclick on form if (m.msg == wm_lbuttondblclk) { form2 frm = new form2(msg); frm.show(); //this.close(); return; } if (m.msg == wm_nclbuttondblclk) { form2 frm = new form2(msg); frm.show(); // this.close(); return; } //drag if (m.msg == wm_nchittest) m.result = new intptr(htcaption); else base.wndproc(ref m); } private int msg = 0; private void timer1_tick(object sender, eventargs e) { int num = new random().next(1, 100); msg = num; this.label1.text = num.tostring(); } const int wm_lbuttondblclk = 0x0203;//client area const int wm_nclbuttondblclk = 0x00a3;//non-client area private void toolstripexit_click(object sender, eventargs e) { this.close(); } }} |
