.net

How to add progressbar column in DataGridView in C# (Winforms)

Is there any way so that I add a progress bar column in datagridview. Actually I need to show the progress for each rows (task) in the datagridview. Let me know some sample code or links to acheive this functionality. ...

Testing Mouse left and right button clicks in C++

Hello, I want to test left and right buttons of mouse in C++. I have float variable its value is 100.00f,If I click left button,its value will increase 1.5f. When I click right button,its value will decrease 1.5f. How can I do this? Could you help me please? Best Regards... ...

Crystal reports - out of memory exception

We have developed a set of crystal reports (not my idea) that are to recreate some sample PDF forms that we have been sent. We've imported background images (taken from the original PDF) for each page in the report and then we have dragged our data fields on top of these. Now, despite the original images that we are using for backgrou...

How to export a Microsoft Project file (mpp) to tif (tiff) without popup save file dialog?

The customer wanna preview mpp content without open Project Professional.So I decide to convert mpp file to image file. I already know that the Project Application interface has a method named EditCopyPicture can output to GIF,but when mpp is very large,gif doesnt look very vell.My boss tell me output to tif is a good solution. I found...

How can I ensure that a dynamically created Form will be a child window in the process tree of windows?

Hi, I am still trying to test my WinForm application, however some of the testing tools don't work because the custom dialog forms I dynamically create are not child windows in the window tree (in Win32 api sense). I am using Spy++ to browse and search for windows. If I use the Finder Tool on these forms, some of them are found as direc...

How to determine which fields where changed in a Linq-To-Sql Object

I I have a linq-to-sql database in which I want to log some of the changes made to an entity. Right now, I'm getting the updated entities by reading the DataContext.GetChangeSet().Updates property, but that doesn't provide me with the fields from the entity that were changed. Is there a way to know which fields were modified in an updat...

Maximize child window of other application (VB .Net)I'

I'v used findwindowex to find the child window. I used findwindow to find the big application, and I found that with spy++. I know that it is the right one because I'm able to sendkeys to it and they work. I'm trying to maximize it but it does not work. I tried to do the showwindow call and use the 3 costant to maximize it, with no luck....

How to bring a form to the current screen?

there is this FormStartPosition but that seems to be only for showing first time. Current screen is the one the mouse pointer is in. The form should appear top most. Setting the DesktopLocation on the form is too low level, I don't want to have to deal with all the possible desktop resolutions. It would be also nice that the form shows ...

Clearing controls from FlowLayoutPanel not calling destructors?

Sorry if I'm missing something obvious, but I'm trying to clear the controls (a series of user controls) from a FlowLayoutPanel - (panelName).Controls.Clear();. Unfortunately this doesn't seem to be calling the destructors for the objects on the panel - the User Objects column in the task manager just keeps going up and up, until it hits...

General advice and guidelines on how to properly override object.GetHashCode()

According to MSDN, a hash function must have the following properties: If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare as equal, the GetHashCode methods for the two object do not have to return different values. The GetHashCode method for...

C# TypeConverter long to enum type fails on ChangeType

I'm fairly new to C# and .NET - I'm trying to get conversion to work from an integer to an enum. The conversion must be performable by ChangeType (outside of my demo below this is fixed as it's within the data binding framework) and from what I've read it should work with what I'm doing, but I get an exception and if I place breakpoints...

Wait for all worker threads to end

I've got following problem: I have monitoring class, which is running it's own thread that writes from queue into file (so the main application doesn't have to wait on IO). But, when main application thread ends (control flow runs after it's last line), the monitor thread ends too, even if it is still running (full queue). Is there any...

Transfer or serialize assembly

I need a way to transfer a compiled assembly from client to the server and be able to store that in the database or in a file in such a way that I can grab those bytes on the "to" side and re-load assembly. Is there a way to do it. To clarify, I have a winforms application that will generate code and compile it based on some metadata. No...

Maximize an MDIChild of another application VB .Net

I'm making an appication that needs to maximize the window of another application. In Spy++, the way it works is -> "Working Model - Untitled1" -> "MDICloient" -> "Untitled1" This is what the tree view looks like. I need to maximize Untitled1, but I'm not sure how. I tried findwindow "Working Model - Untitled1" and then used get and se...

Mercurial workflow question (how to handle Config files)

I have a long standing problem: at work we're using mercurial as a DSCM, but we can't figure out how to keep our config files in sync. The problem is that we want to keep track of config files and want to be able to exchange the config file contents among developers, but every developer wants to have his connectionStrings section indep...

Dictionary with a List<> as TValue

Hello, I'd like to create a Dictionary, the TKey is a string and the TValue is a List<DateTime> How can I do this ? Thanks, ...

C#: Executing a SQL script stored as a resource

Newbie question : I would like to store lengthy .sql scripts in my solution and execute them programmatically. I've already figured out how to execute a string containing my sql script but I haven't figured out how to read the string from a file that would be stored in the solution (under a /Scripts subfolder for example). Many thanks, ...

protobuf.net not serializing zero

Hello It looks like there is an encoding problem for 0 as Int64. Other values as Int64 ok. [ProtoMember(3)] private readonly Int64 _intValue is deserialized as Int64.MinValue Any idea? I confirm the bug. This class will not serialize properly if _val == 0 [ProtoContract] class VerySimple { [ProtoMember(1)] private readonl...

DataGridView - "Cell Selection Style" - Edit Cell

I'm working on a WinForm client with a DataGridView control. I notice users have to click once to select the cell and again to edit it. What is the way to change this to a single click edit mode? I thought I had seen something like this before but can't remember the name. ...

showing percentage in .net console application

I have a console app that performs a lengthy process. I am printing out the percent complete on a new line, for every 1% complete. How can I make the program print out the percent complete in the same location in the console window? ...