TProgressBar - Delphi Usage Examples, Tips and Tricks
When your application performs a time-consuming operation, you can use a progress bar, the TProgressBar Delphi control, to show how much of the task is completed. Learn how to use the progress bar control in Delphi programs.
Placing a TProgressBar into a TStatusBar
Here's how to add a status bar (or any other Delphi component) to a progress bar. Provide visual feedback of application's lengthy operation in the status area of a Delphi form.
Here's how to add a status bar (or any other Delphi component) to a progress bar. Provide visual feedback of application's lengthy operation in the status area of a Delphi form.
Change the Colors of the TProgressBar
By design, the colors of a progress bar are determined by Windows. Here's how to change the background color and the bar color of a TProgressBar component, at run-time (download sample application)...
By design, the colors of a progress bar are determined by Windows. Here's how to change the background color and the bar color of a TProgressBar component, at run-time (download sample application)...
Set the Progress Bar Position Using Mouse
If you want to enable the users of you application to set the position of the progress bar visually, using mouse, you can use the next trick...
If you want to enable the users of you application to set the position of the progress bar visually, using mouse, you can use the next trick...
Place a Progress Bar Inside a Standard Dialog Box
Let's say you have a standard Windows dialog box displaying a question to the user with "Yes" and "No" buttons. Wouldn't it be great if a progress bar could be displayed within a dialog box "counting" seconds until the dialog box automatically closes itself?
Let's say you have a standard Windows dialog box displaying a question to the user with "Yes" and "No" buttons. Wouldn't it be great if a progress bar could be displayed within a dialog box "counting" seconds until the dialog box automatically closes itself?
Create a Time Out Button / Entry Form
If you are developing a "quiz-like" type of application, or an "exam-like" application, a user needs to make a selection and click the "Next" button, to go to the next "question". In such scenarios you might need to force a user to make a selection (choose the "answer") within a specified time interval.
If you are developing a "quiz-like" type of application, or an "exam-like" application, a user needs to make a selection and click the "Next" button, to go to the next "question". In such scenarios you might need to force a user to make a selection (choose the "answer") within a specified time interval.