C# checkedListBox 全选与反选怎么做?
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//全选
private void button3_Click(object sender, EventArgs e)
{
for (int i = 0; i < this.checkedListBox1.Items.Count; i++)
{
this.checkedListBox1.SetItemChecked(i, true);
}
}
//反选
private void button4_Click(object sender, EventArgs e)
{
for (int i = 0; i < checkedListBox1.Items.Count; i++)
{
if (checkedListBox1.GetItemChecked(i))
{
checkedListBox1.SetItemChecked(i, false);
}
else
{
checkedListBox1.SetItemChecked(i, true);
}
}
}
private void button3_Click(object sender, EventArgs e)
{
for (int i = 0; i < this.checkedListBox1.Items.Count; i++)
{
this.checkedListBox1.SetItemChecked(i, true);
}
}
//反选
private void button4_Click(object sender, EventArgs e)
{
for (int i = 0; i < checkedListBox1.Items.Count; i++)
{
if (checkedListBox1.GetItemChecked(i))
{
checkedListBox1.SetItemChecked(i, false);
}
else
{
checkedListBox1.SetItemChecked(i, true);
}
}
}
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