private void viewZoomMenu_Click(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
ToolStripRadioButtonMenuItem selectedMenu = sender as ToolStripRadioButtonMenuItem;
selectedMenu.Checked = true;
if (selectedMenu.Equals(viewZoom25Menu))
{
this.imageViewer.ZoomFactor = 0.25f;
}
else if (selectedMenu.Equals(viewZoom50Menu))
{
this.imageViewer.ZoomFactor = 0.5f;
}
else if (selectedMenu.Equals(viewZoom75Menu))
{
this.imageViewer.ZoomFactor = 0.75f;
}
else
{
this.imageViewer.ZoomFactor = 1.0f;
}
Cursor.Current = Cursors.Default;
}
protected override void OnCheckedChanged(EventArgs e)
{
base.OnCheckedChanged(e);
// If this item is no longer in the checked state or if its
// parent has not yet been initialized, do nothing.
if (!Checked || this.Parent == null)
{
return;
}
// Clear the checked state for all siblings.
foreach (ToolStripItem item in Parent.Items)
{
ToolStripRadioButtonMenuItem radioItem =
item as ToolStripRadioButtonMenuItem;
if (radioItem != null && radioItem != this && radioItem.Checked)
{
radioItem.Checked = false;
// Only one item can be selected at a time,
// so there is no need to continue.
return;
}
}
}