Recent questions tagged WinForms

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winforms - Icons in TabControl C# - How?

I can't seem to find an answer for this anywhere. An icon before the label on the default tabcontrol tabs ... was crashing in some computers. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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winforms - How to find string's width in C# (in pixels)

I'm trying to achieve framed texts (using Windows Forms), e.g.: Height is always the same, because my ... any way to get it automatically? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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winforms - C# WebClient - View source question

I'm using a C# WebClient to post login details to a page and read the all the results. The page I am ... working, my log in is successful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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winforms - .NET: How to check if the mouse is in a control?

i want to know if the mouse is in a particular control in .NET private void panel1_MouseLeave(object sender, ... (control with label inside) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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winforms - Using a custom formatter in a DataGridView

So, maybe this is a bad design; I don't know. But say I have a DataTable with a column that holds int ... set on using these interfaces at all. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

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winforms - Visual Studio Designer added margin and padding to my form

I recently updated my development workstation to Windows 8.1 with a 4K monitor and went from Visual Studio 2010 ... ? Any help is appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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winforms - C# Backing Up And Restoring Clipboard

I have a program that uses clipboard but I want to restore the clipboard to its former state after I am done with ... if the user copied a file. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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735 views

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winforms - Setting a Font with outline Color in C#

I'm dynamically adding Labels to panels in my code. Something I want to do is be able to outline the font so ... would like: (the Outer lining) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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winforms - c#: Create new settings at run time

c# windows forms: How do you create new settings at run time so that they are permanently saved as Settings.Default.-- values? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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538 views

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winforms - Black background before loading a wpf controll when using ElementHost

I'm using WPF in WinForms with ElementHost. When the form loads, there is a flash of black background where the ... how to get rid of this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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751 views

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winforms - How to create customized open file dialog in C#

How can one create a user control that has the same functionality (along with some extended features) of ... and cancel buttons do. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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winforms - How to creating EmptyDataText for DataGridView in Windows Application

Today i am facing problem to show/hide label according to data source. If the data source has no row ... be appreciated! Thanks, Imdadhusen See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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794 views

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winforms - Add button column in a databound datagridview

i have a datagridview. i bound it to a list. now i want to show a column at the end of it. but that ... that button to the end of datagrid view See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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winforms - C#: Simple and functional way to zoom picturebox images with scroll bars

Is there a simple and functional way to zoom an image in a picturebox including scroll bars? At the moment, I ... the upper border of the form. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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743 views

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winforms - How do I get the SelectedItem or SelectedIndex of ListView in vb.net?

As you know by question that what I want. I was using listbox. In ListBox we can get selected ... SelectedItem or SelectedIndex of ListView. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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705 views

1 answer

winforms - How to check empty and null cells in datagridview using C#

i am trying to check the datagridview cells for empty and null value... but i can not do it right... for (int ... one help me.. with this... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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829 views

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winforms - Removing the Title bar of external application using c#

My application starts up another external application. I want to remove the title bar of this external application once ... WS_CAPTION)); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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834 views

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winforms - C# Windows Form: On Close Do [Process]

How can I get my windows form to do something when it is closed. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

1 answer

winforms - create custom tooltip C#

I want to create a custom tooltip, with a different style so that when I click on a control (for example a ... I want. Thank you in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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winforms - Can I choose a custom image for C# Windows Application Drag Drop functions?

I am writing a small project where I would like to make use of drag and drop functionalty to ease some of ... want to learn after this project. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

1 answer

winforms - Can't set .Net panel to visible

I am designing a multipage windows form using panels. I'm displaying a login form and validating the button click ... .us/img163/1376/emptyx.jpg See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

1 answer

winforms - How to create a clickable irregularly-shaped region in c#

I have an irregularly-shaped picture like a heart or any random shape. I can make it transparent visually, but I ... the best way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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860 views

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winforms - semi-transparent form but opaque Controls in C#

How to make semi transparent form in C# windows form application I have tried the TransparentKey which makes ... transparent but not Controls. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

1 answer

winforms - Substract Flag From FontStyle (Toggling FontStyles) [C#]

I have a little problem. I have one 1 RichTextBox and 2 Buttons. I have that 2 buttons for "toggle Bold ... Bold is still active (or opposite) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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winforms - C# calling form.show() from another thread

if I call form.show() on a WinForms object from another thread, the form will throw an exception. Is where any ... / Do some more work here } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

1 answer

winforms - c# How to make smooth arc region using graphics path

I'm trying to make a label control with rounded sides. Here is my code in OnPaint() overridden method in ... the screenshot of the control : See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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633 views

1 answer

winforms - Encrypting sections and-or settings in an App.config file that will be redistributed

I'm creating a regular windows application that will be distributed to several users on my department. I'll ... are greatly appreciated. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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winforms - Form Not Responding when any other operation performed in C#

I have a form (Developed in C# using VS2010) with a Progress Bar. It's kind of stopwatch form where I ... less chances of getting "hanged"! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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