user interface - Use of Frames in Delphi for GUI information hiding -

-

I have been learning Delphi for the past 3 years at a hobby / professional level. I am happy to say that I have progressed so much that I can look back at my initial code with scary and embarrassing. That's why I am going through some of my early apps and re-writing / reconstructing them.

One of the worst habits I am trying to go away from one unit is reaching components from another form. In an effort to implement this, I am experimenting with using frames as a method of hiding information. So instead of having a form with components on it, I am creating a frame to hold all the form components, then placing it on a form on the frame, taking the frame declaration in private announcements,

< Pre> type TMyForm = class (TForm) Private MyFrame: TMyFrame; Process SetTimeDate (const value: TMyItem); Function Readtime: TMyItem;

Then register the frame in the form initialization section 

  Start the Initialization Registerclasses ([TMyFrame])

I, then declare the properties which are required in the public block of the form unit, which have access to the frame and its components. 

  Public Property Time: ToToverTMTT To write ReadTimeDate;

I am often using frames to strengthen repetitive component groups.

It seems that I want to work (to hide microgram and its components), but does anyone have any experience of this method?

Is there a defect in using frames? Am I really receiving any benefit from doing this? Is there a problem in using nested frames within the frame? Is there a good practice guide for using frames in Delphi? Are there hidden / easy ways to get the same effect in relation to hidden GUI information in Delphi?

HMCG

It seems that there are still many arguments in your UI layer Are there. Forms / panels should not have that value property (perhaps leaving for dialog).

If you want more structure than reading on the MVC pattern.

After saying this, frames can be a good way to organize the GUI. Do not use too much, just like everything else.


Comments

Post a Comment

Popular posts from this blog

c# - ListView onScroll event -

-
I am programming a simple C # application, and I need a Scallow event on the list view. So I inherited the original ListView class created in ListviewEx witch. I found out how to locate the scroll message from WinAPI and I modified the WndProc method. Now I have this WndProc: protected override zero WndProc (Ref message message) {base.WndProc (Ref I); If (m.msg == WM_VSCROLL) {onScroll (This, New EventArgs ()); }} But the problem is, I do not know how to know about scrolling information. This data should be in wParam, but there is a LOWORD macro ++ like in C in C # and I switch to find the criteria like SB_ below, SB_ENDSCROLL, SB_PAGEUP etc. there any way Need to change the LOWORD macro from C #? Or any other way to find the necessary parameters about scrolling? You can define the WParam constants as the following: Private const int WM_HSCROLL = 0x114; Private Constant WM_VSCROLL = 0x115; Private contact int SBHOZZ = 0; Private Consultant SB_VERT = 1; Private Con...
Read more

PHP - get image from byte array -

-
I am trying to create a back-end for my mobile application. I am sending the content of an image in the body of the HTTP request (output stream) as a byte array, I want to read this stream of bytes in PHP scripts and take back an image. Can anyone tell me how can I do this? Thank you. You can obtain the request body $ body = Reading from file_get_contents ('php: // input'); What you do with that data Depending on you, you can write the data in a file as you mentioned that this is image data, you can drop the data into the object can do. Another option is to use and load the image.
Read more

Linux Terminal Problem with Non-Canonical Terminal I/O app -

-
I have a small app written in C to run on Linux. Part of the app accepts user-input from keyboard , And it uses non-canonical terminal mode so that it can respond to each keystroke. The section of the code that accepts input is a simple task that is called repeatedly in the loop: char get_input () {char C = 0; Int res = reading (input_tamille, & amp; c, 1); If (RSS == 0) 0 returns; If (res == -1) {/ * snip error handling * /} return c; } It reads a letter from the terminal if there is no input within a given time limit, (c_cc [VTIME] value in the vocabulary structure), read () 0 And get_input () is called again It all works very well, I have recently discovered that if you run this app in a terminal window, and then the app Close the terminal window without ending, the app will not exit Received, but CPU intensive launches into an infinite loop, where the read () returns 0 without waiting continued. So how can I get out of the apple if it runs from the terminal win...
Read more