private void ChbxAll_CheckedChanged(object sender, EventArgs e)
{
if (Checkstate == CheckListboxWorkState.IsWorking)
{
return;
}
if (ChbxAll.Checked)
{
for (int i = 0; i < LbxCriteria.Items.Count; i++)
{
LbxCriteria.SetItemCheckState(i, CheckState.Checked);
}
}
else
{
for (int i = 0; i < LbxCriteria.Items.Count; i++)
{
LbxCriteria.SetItemCheckState(i, CheckState.Unchecked);
}
}
}
private void LbxCriteria_MouseUp(object sender, MouseEventArgs e)
{
if (Checkstate == CheckListboxWorkState.IsWorking)
{
return;
}
Checkstate = CheckListboxWorkState.IsWorking;
if (LbxCriteria.CheckedIndices.Count == 0)
{
ChbxAll.Checked = false;
}
if (LbxCriteria.CheckedIndices.Count == LbxCriteria.Items.Count && LbxCriteria.Items.Count > 0)
{
ChbxAll.Checked = true;
}
else
{
ChbxAll.Checked = false;
}
LbxCriteria.ClearSelected();
Checkstate = CheckListboxWorkState.isWaiting;
}
