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i have a c# application and there are a lot of forms with controls.
And every time when i run my application, forms which have many controls open slow.
So is there any way to make it open faster?
As you can see from the comments, there isn’t one universal “make things faster” technique. You need to find the bottleneck and fix it. Here are some pointers:
Are all your controls on all your forms added statically in the designer, or added dynamically at runtime based on environment/user details/loaded dynamically via reflection? These can significantly slow down UI load time.
Do you have hundreds of controls on a single form? If so, consider splitting your forms to smaller chunks.
Do you have complex logic or data access during your Form_Load events? This can also slow down UI responsiveness. Consider starting the application “clean”, and then loading the data asynchronously.
Use a profiler! Find a good, simple profiler to see where, exactly, you’re spending your time. You’ll often be surprised at what actually takes time. Use a trial version of a good, established profiler like dotTrace or Ants, and consider buying it for the future.