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0 VotesWindows Forms General FAQ
This material should not be considered as a complete coverage of the frequently asked questions, but it tries to capture the high-level features with some depth in the Windows Forms General ...Sticky | 30 Replies | 49137 Views | Created by MSDN FAQ - Tuesday, May 4, 2010 1:46 AM | Last reply by Kareninstructor - Saturday, June 1, 2019 5:29 PM
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0 Votes
How to Access & Control data in Datagridview of external application using Windows API or UI Automtion...
Hello, I have a .net winform app with 1 form and 1 dgv control. I searched and found some ways like windows api and ui automation stuff but i could not find more ...Unanswered | 1 Replies | 27 Views | Created by Bhavtosh - 3 hours 17 minutes ago | Last reply by Kareninstructor - 35 minutes ago -
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How to update textbox inside GroupBox?
Save" all data from all textboxes or part textboxes have to save in *.dat file. And when you next time open program and click "File-> Open" all data from *.dat ...Unanswered | 6 Replies | 69 Views | Created by DmytroST - 22 hours 42 minutes ago | Last reply by DmytroST - 1 hour 10 minutes ago -
1 Votes
Grouping rows in DataGridView C#
I would like to know how can I group rows in DataGridView.Unanswered | 5 Replies | 190 Views | Created by PedroFilipe - Tuesday, June 18, 2019 11:08 AM | Last reply by Kyle Wang - MSFT - 5 hours 16 minutes ago -
0 Votes
how to upload and download files to and from a specific directory in C# Window Form
i have a C# window form application now i want to create a module where teachers can store files of different kinds like pdf.docx.jpeg etc in that directory and students can then access it to download ...Proposed | 5 Replies | 1071 Views | Created by Jazz17 - Friday, June 21, 2019 12:29 PM | Last reply by Kyle Wang - MSFT - 5 hours 18 minutes ago -
0 Votes
How to draw pixel length on tabPage and MouseMove Show location
I try to use draw | | | | like these on tabPage like photo below The length and Width is depend on img I put in. So ...Unanswered | 1 Replies | 84 Views | Created by CY_Chen - Monday, June 24, 2019 8:13 AM | Last reply by Kyle Wang - MSFT - Tuesday, June 25, 2019 2:48 AM -
0 Votes
Async-await in multiple Winforms projects
Hi, We've ran into a problem with multi-threading in the following scenario: The solution includes two projects with winForm with the first calling the ...Unanswered | 1 Replies | 64 Views | Created by Ken_Saraf - Monday, June 24, 2019 11:51 PM | Last reply by Kareninstructor - Tuesday, June 25, 2019 1:24 AM -
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multiple "sheets" in a single window
I am building an app that is all alpha-numeric text (no pics/videos/graphics) using Visual Studio 2013. I suppose I could just use excel to accomplish this task, as overall, it is mostly a ...Answered | 3 Replies | 158 Views | Created by Diomtus - Sunday, June 23, 2019 1:13 AM | Last reply by Diomtus - Monday, June 24, 2019 3:20 PM -
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User Control
Sir, I use User control Container for MDI applications, and want to add controls at design time, the title bar made with paint method, when I use the container the whole ...Unanswered | 3 Replies | 155 Views | Created by Feroz Ashar - Thursday, June 20, 2019 7:24 AM | Last reply by Kyle Wang - MSFT - Monday, June 24, 2019 9:55 AM -
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How to set Form System location
Hi all I put panel on Location(40,40) But I hope this panel location can be (0,0) I want this panel is at ...Answered | 1 Replies | 63 Views | Created by CY_Chen - Monday, June 24, 2019 4:18 AM | Last reply by Kyle Wang - MSFT - Monday, June 24, 2019 6:11 AM -
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I am having trouble saving a 4bpp indexed image
can someone tell me why saving my 4bpp indexed image throws a generic GDI exception? I know that the image extensions I use support ...Unanswered | 3 Replies | 115 Views | Created by Shadowblitz16 - Sunday, June 23, 2019 4:02 AM | Last reply by Kyle Wang - MSFT - Monday, June 24, 2019 5:52 AM -
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What classes do I need to use to allow user to open files from app?
What controls and classes would I need to use in order to make my .NET Forms project allow the user to open a dialog box to explore and open files in the file system of the device?Unanswered | 4 Replies | 206 Views | Created by ShinehahGnolaum - Saturday, June 22, 2019 6:54 PM | Last reply by amolpb - Monday, June 24, 2019 5:18 AM -
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How to update form from another class and another thread?
{ Checker_module checker = new Checker_module(); checker.Checker(threads, accounts, proxies, proxy_type, this); }); ...Proposed | 1 Replies | 105 Views | Created by BataBo Jokviu - Friday, June 21, 2019 9:55 AM | Last reply by Kyle Wang - MSFT - Monday, June 24, 2019 3:12 AM -
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Open a URL with explorer.exe that doesn't reload in Web Browser
I can paste an online drive URL into File Explorer manually and it loads fine. But if I use Process.Start(explorer.exe, URL) it loads it in the default browser instead because it detects the ...Proposed | 4 Replies | 152 Views | Created by Xion_Tech - Friday, June 21, 2019 4:22 PM | Last reply by Simple Samples - Monday, June 24, 2019 2:17 AM -
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How to stop flickering or blinking in C# GDI mousemove event?
Hi all I try to use mouseMove to move image . But the flickering problem bother me . I already try DoubleBuffer but still no ...Unanswered | 5 Replies | 351 Views | Created by CY_Chen - Wednesday, June 19, 2019 2:25 AM | Last reply by amolpb - Saturday, June 22, 2019 8:57 AM -
3 Votes
How to empty a picture box in c#?
Below is my snippet to show a picture using PictureBox(). picMatcheds[picId] = new ...Answered | 5 Replies | 232 Views | Created by Stan Huang at Taiwan - Tuesday, June 18, 2019 7:44 AM | Last reply by amolpb - Saturday, June 22, 2019 4:01 AM -
0 Votes
Multiline TextBox Issue in Windows 10 1809
After installing Windows 10 1809, the last visible line in the Windows Form TextBox is truncated vertically. Repro Steps: 1. Create ...Unanswered | 10 Replies | 221 Views | Created by avoriv - Thursday, June 20, 2019 6:57 AM | Last reply by avoriv - Friday, June 21, 2019 4:40 PM -
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How to make code below is faster and prevent hangs when timer works ?
problem How to make code below is faster and more performance good ? I have windows form have 4 controls picturebox and 4 labels and timer control work every ...Answered | 22 Replies | 646 Views | Created by engahmedbarbary - Saturday, June 8, 2019 12:57 AM | Last reply by BonnieB - Friday, June 21, 2019 3:47 PM -
2 Votes
Inherited NumericUpDown control not painted when maximize and restore it
I have inherited MS NumericUpDown control in winforms and override CreateParams property to avoid flickering issue it will causes the control to not painted when maximize and restore the form. I have ...Unanswered | 18 Replies | 393 Views | Created by ssaran046 - Friday, June 7, 2019 5:23 AM | Last reply by ssaran046 - Friday, June 21, 2019 11:44 AM -
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How can i make a borderless form fullscreen by dragging it to top?
First i used mouse_up event with `e.Y` but shortly i realized that's not keeping the mouse location from screens 0,0 point but events own 0,0 point, how can i do this? This is the ...Unanswered | 8 Replies | 427 Views | Created by xanrer - Sunday, June 16, 2019 1:12 AM | Last reply by xanrer - Thursday, June 20, 2019 3:54 PM -
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DataGridViewComboBoxColumn -- Make selection persistent
I have a form with a DataGridView, and I made column 2 a DataGridViewComboBoxColumn. I click the dropdown in a row and make a selection. Everything looks fine. The selected item ...Answered | 5 Replies | 253 Views | Created by Jon Q Jacobs - Tuesday, June 11, 2019 2:47 PM | Last reply by Jon Q Jacobs - Thursday, June 20, 2019 12:20 PM - Items 1 to 20 of 59189 Next ›
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