private int indexFindPlace = 0; //文本查找位置，缺省为文本起点
private void btnSearchContent_Click(object sender, EventArgs e)
{
if (txtSearchText.Text.Length > 0) //当查找内容不为空时，进行查找
{
IRunnerMain mainForm = this.Owner as IRunnerMain;
if (mainForm == null)
{
MessageBox.Show("打开查找失败!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (mainForm.txtHelp.Text.Length > 0)
{
if ((indexFindPlace = mainForm.txtHelp.Text.IndexOf(txtSearchText.Text, indexFindPlace)) == -1)
{
MessageBox.Show("已经查找到最后了！");
indexFindPlace = 0; //没有找到，重置查找位置为文本起点
}
else
{ //选中找到的文本，使其明显
mainForm.txtHelp.Select(indexFindPlace, txtSearchText.Text.Length);
mainForm.txtHelp.SelectionStart = indexFindPlace;
mainForm.txtHelp.ScrollToCaret();//滚动到光标处
//找到了，置查找位置为下一个位置
indexFindPlace = indexFindPlace + txtSearchText.Text.Length;
mainForm.Activate();
}
}
}
}
private void btnCancelSearch_Click(object sender, EventArgs e)
{
this.Hide();
IRunnerMain mainForm = this.Owner as IRunnerMain;
if (mainForm != null)
{
mainForm.Activate();
}
}
private void FrmSearchOnline_FormClosing(object sender, FormClosingEventArgs e)
{
this.Hide();
IRunnerMain mainForm = this.Owner as IRunnerMain;
if (mainForm != null)
{
mainForm.Activate();
e.Cancel = true;
}
}