To Enable or Disable a Single Breakpoint

In a source, Disassembly, or Call Stack window, right click a line that contains a breakpoint glyph, point to Breakpoint, then click Enable Breakpoint or Disable Breakpoint.

—or—

In the Breakpoints window, select or clear the checkbox next to the breakpoint.

To enable or disable all breakpoints

From the Debug menu, click Enable All Breakpoints.