WinForms CheckEdit - Change the state by clicking exactly on the checkbox (glyph)

The WinForms CheckEdit changes the check state when a user clicks a checkbox or text. This example handles the MouseDown event to prevent the state from changing when the user clicks anywhere other than the checkbox:

private void checkEdit1_MouseDown(object sender, MouseEventArgs e) {
    CheckEdit cEdit = (CheckEdit)sender;
    CheckEditViewInfo cInfo = (CheckEditViewInfo)cEdit.GetViewInfo();
    Rectangle r = cInfo.CheckInfo.GlyphRect;
    Rectangle editorRect = new Rectangle(new Point(0, 0), cEdit.Size);
    if (!r.Contains(e.Location) && editorRect.Contains(e.Location))
        ((DXMouseEventArgs)e).Handled = true;
}

Files to Review

• Form1.cs (VB: Form1.vb)

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