backgroundworker組件是winform提供的很好用的進度條信息組件,啓用線程工作,需要使用progressbar。現有一個項目需要主界面工作的時候使用progressbar組件,在窗體中間顯示進度條。通俗易懂的方法如下:
原文鏈接:https://blog.csdn.net/weixin_42599077/article/details/106012614
窗體的load事件設置組件位置
組件的位置:組件左上角和主窗體組件左上角的位置
窗體加載的時候需要隱藏進度條和標籤,使用的時候可以顯示
private void mainform_Load(object sender, EventArgs e)
{
int progressBar1_x = (int)(0.5 * (this.Width - progressBar1.Width));
int progressBar1_y = (int)(0.5*(this.Height - progressBar1.Height));
int label1_x = (int)(0.5 * (this.Width - progressBar1.Width));
int label1_y = (int)(0.485 * (this.Height - progressBar1.Height - label1.Height));
progressBar1.Location = new Point(progressBar1_x,progressBar1_y);
label1.Location = new Point(label1_x,label1_y);
//progressBar1.Visible = false;
//label1.Visible = false;
}
註冊Resize事件
這個事件用於方法縮小主窗體時,progressbar仍然處在屏幕中間
private void InitializeComponent()
{
this.Resize += new System.EventHandler(this.progressbarResize);
}
private void progressbarResize(object sender, EventArgs e)
{
int progressBar1_x = (int)(0.5 * (this.Width - progressBar1.Width));
int progressBar1_y = (int)(0.5 * (this.Height - progressBar1.Height));
int label1_x = (int)(0.5 * (this.Width - progressBar1.Width));
int label1_y = (int)(0.485 * (this.Height - progressBar1.Height - label1.Height));
progressBar1.Location = new Point(progressBar1_x, progressBar1_y);
label1.Location = new Point(label1_x, label1_y);
}
效果圖
全屏圖:
縮小圖: