~~Title: Group Box Properties ~~
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The specific properties applicable to the //Group Box// control are:

  * **Group Header**: Set to **True** to make this a group header (designed to separate two sections of a dialog) rather than a group box (designed to enclose a group of related controls).
  * **No Prefix**: Disables the usual mnemonic (keyboard accelerator) behaviour if the control’s title contains an ampersand (this lets you have a group title containing an ampersand).