Declaration
procedure LockUpdate();
Description
Prevents redrawing of the control while you are setting many properties. Call
LockUpdate before setting properties, and then
UnlockUpdate to resume drawing.
Note: Multiple
LockUpdate can be in use at once. The control will not be updated until an equal number of
UnlockUpdate calls have been made.
RulerBox1.LockUpdate();
RulerBox1.DotPerUnit := 1;
RulerBox1.Frequency := 20;
RulerBox1.LabelFreq := 100;
RulerBox1.UnlockUpdate();